OpenSCAD test run report

Sysid: ___ruit

Result summary: 215 / 991 tests passed (22%)

System info

OpenSCAD Version: 2016.07.31
System information: Linux 3.19.0-30-generic #34~14.04.1-Ubuntu SMP Fri Oct 2 22:09:39 UTC 2015 x86_64 Ubuntu 14.04.3 LTS 2 CPUs 7.31 GB RAM
Compiler: GCC "4.8.4" 64bit
Boost version: 1_54
Eigen version: 3.2.0
CGAL version, kernels: 4.2, Cartesian, Extended_cartesian, Epeck
OpenCSG version: OpenCSG 1.3.2
Qt version: Qt disabled - Commandline Test Version
MingW build: No
GLib version: 2.40.2
Application Path: /home/travis/build/openscad/openscad/tests/..
Documents Path: /home/travis/.local/share
Resource Path: /home/travis/build/openscad/openscad
User Library Path: 
User Config Path: 
Backup Path: 
OPENSCADPATH: /home/travis/build/openscad/openscad/tests/../libraries
OpenSCAD library path:
  /home/travis/build/openscad/openscad/tests/../libraries
  
  /home/travis/build/openscad/openscad/libraries

OPENSCAD_FONT_PATH: 
OpenSCAD font path:


Git branch: (detached from FETCH_HEAD) from origin https://github.com/openscad/openscad.git
Git upstream:

Image comparer: ImageMagick

Tests start time: Jul 31 15:29 UTC

Tests end time: Jul 31 15:32 UTC

Image tests

cgalpngtest_nullspace-2d
Expected image Actual image
201/991 Testing: cgalpngtest_nullspace-2d
201/991 Test: cgalpngtest_nullspace-2d
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "nullspace-2d" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/nullspace-2d.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_nullspace-2d" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
nullspace-2d
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/nullspace-2d.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/nullspace-2d-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/nullspace-2d-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/nullspace-2d-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/nullspace-2d-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/nullspace-2d-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/nullspace-2d-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_nullspace-2d" end time: Jul 31 15:29 UTC
"cgalpngtest_nullspace-2d" time elapsed: 00:00:00

    
cgalpngtest_text-font-tests
Expected image Actual image
202/991 Testing: cgalpngtest_text-font-tests
202/991 Test: cgalpngtest_text-font-tests
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "text-font-tests" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/text-font-tests.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_text-font-tests" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
text-font-tests
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/text-font-tests.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/text-font-tests-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

stdout output: syntax error
syntax error
syntax error

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/text-font-tests-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/text-font-tests-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/text-font-tests-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/text-font-tests-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/text-font-tests-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.08 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_text-font-tests" end time: Jul 31 15:29 UTC
"cgalpngtest_text-font-tests" time elapsed: 00:00:00

    
cgalpngtest_scale2D-tests
Expected image Actual image
203/991 Testing: cgalpngtest_scale2D-tests
203/991 Test: cgalpngtest_scale2D-tests
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "scale2D-tests" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/scale2D-tests.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_scale2D-tests" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
scale2D-tests
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/scale2D-tests.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/scale2D-tests-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: WARNING: Scaling a 2D object with 0 - removing object
WARNING: Scaling a 2D object with 0 - removing object
WARNING: Mixing 2D and 3D objects is not supported.
WARNING: Ignoring 3D child object for 2D operation
WARNING: Ignoring 3D child object for 2D operation
Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/scale2D-tests-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/scale2D-tests-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/scale2D-tests-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/scale2D-tests-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/scale2D-tests-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_scale2D-tests" end time: Jul 31 15:29 UTC
"cgalpngtest_scale2D-tests" time elapsed: 00:00:00

    
cgalpngtest_polygons-touch
Expected image Actual image
204/991 Testing: cgalpngtest_polygons-touch
204/991 Test: cgalpngtest_polygons-touch
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "polygons-touch" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/polygons-touch.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_polygons-touch" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
polygons-touch
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/polygons-touch.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygons-touch-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/polygons-touch-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygons-touch-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygons-touch-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/polygons-touch-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygons-touch-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_polygons-touch" end time: Jul 31 15:29 UTC
"cgalpngtest_polygons-touch" time elapsed: 00:00:00

    
cgalpngtest_text-font-symbol
Expected image Actual image
205/991 Testing: cgalpngtest_text-font-symbol
205/991 Test: cgalpngtest_text-font-symbol
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "text-font-symbol" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/text-font-symbol.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_text-font-symbol" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
text-font-symbol
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/text-font-symbol.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/text-font-symbol-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

stdout output: syntax error
syntax error
syntax error

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/text-font-symbol-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/text-font-symbol-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/text-font-symbol-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/text-font-symbol-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/text-font-symbol-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.08 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_text-font-symbol" end time: Jul 31 15:29 UTC
"cgalpngtest_text-font-symbol" time elapsed: 00:00:00

    
cgalpngtest_resize-2d-tests
Expected image Actual image
206/991 Testing: cgalpngtest_resize-2d-tests
206/991 Test: cgalpngtest_resize-2d-tests
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "resize-2d-tests" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/resize-2d-tests.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_resize-2d-tests" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
resize-2d-tests
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/resize-2d-tests.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/resize-2d-tests-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

stdout output: syntax error

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/resize-2d-tests-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/resize-2d-tests-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/resize-2d-tests-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/resize-2d-tests-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/resize-2d-tests-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_resize-2d-tests" end time: Jul 31 15:29 UTC
"cgalpngtest_resize-2d-tests" time elapsed: 00:00:00

    
cgalpngtest_text-empty-tests
Expected image Actual image
207/991 Testing: cgalpngtest_text-empty-tests
207/991 Test: cgalpngtest_text-empty-tests
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "text-empty-tests" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/text-empty-tests.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_text-empty-tests" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
text-empty-tests
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/text-empty-tests.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/text-empty-tests-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/text-empty-tests-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/text-empty-tests-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/text-empty-tests-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/text-empty-tests-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/text-empty-tests-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_text-empty-tests" end time: Jul 31 15:29 UTC
"cgalpngtest_text-empty-tests" time elapsed: 00:00:00

    
cgalpngtest_polygon-tests
Expected image Actual image
208/991 Testing: cgalpngtest_polygon-tests
208/991 Test: cgalpngtest_polygon-tests
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "polygon-tests" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/polygon-tests.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_polygon-tests" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
polygon-tests
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/polygon-tests.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-tests-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: ERROR: Unable to convert point [] at index 0 to a vec2 of numbers
ERROR: Unable to convert point [[]] at index 0 to a vec2 of numbers
WARNING: Mixing 2D and 3D objects is not supported.
WARNING: Ignoring 3D child object for 2D operation
WARNING: Ignoring 3D child object for 2D operation
WARNING: Ignoring 3D child object for 2D operation
Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

stdout output: syntax error

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/polygon-tests-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-tests-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-tests-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/polygon-tests-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-tests-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_polygon-tests" end time: Jul 31 15:29 UTC
"cgalpngtest_polygon-tests" time elapsed: 00:00:00

    
cgalpngtest_control-hull-dimension
Expected image Actual image
209/991 Testing: cgalpngtest_control-hull-dimension
209/991 Test: cgalpngtest_control-hull-dimension
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "control-hull-dimension" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/control-hull-dimension.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_control-hull-dimension" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
control-hull-dimension
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/control-hull-dimension.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/control-hull-dimension-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: ECHO: 1
Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/control-hull-dimension-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/control-hull-dimension-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/control-hull-dimension-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/control-hull-dimension-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/control-hull-dimension-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.04 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_control-hull-dimension" end time: Jul 31 15:29 UTC
"cgalpngtest_control-hull-dimension" time elapsed: 00:00:00

    
cgalpngtest_square-tests
Expected image Actual image
210/991 Testing: cgalpngtest_square-tests
210/991 Test: cgalpngtest_square-tests
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "square-tests" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/square-tests.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_square-tests" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
square-tests
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/square-tests.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/square-tests-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/square-tests-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/square-tests-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/square-tests-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/square-tests-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/square-tests-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_square-tests" end time: Jul 31 15:29 UTC
"cgalpngtest_square-tests" time elapsed: 00:00:00

    
cgalpngtest_hull2-tests
Expected image Actual image
211/991 Testing: cgalpngtest_hull2-tests
211/991 Test: cgalpngtest_hull2-tests
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "hull2-tests" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/hull2-tests.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_hull2-tests" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
hull2-tests
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/hull2-tests.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/hull2-tests-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/hull2-tests-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/hull2-tests-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/hull2-tests-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/hull2-tests-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/hull2-tests-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_hull2-tests" end time: Jul 31 15:29 UTC
"cgalpngtest_hull2-tests" time elapsed: 00:00:00

    
cgalpngtest_minkowski2-hole-tests
Expected image Actual image
212/991 Testing: cgalpngtest_minkowski2-hole-tests
212/991 Test: cgalpngtest_minkowski2-hole-tests
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "minkowski2-hole-tests" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/minkowski2-hole-tests.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_minkowski2-hole-tests" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
minkowski2-hole-tests
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/minkowski2-hole-tests.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/minkowski2-hole-tests-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/minkowski2-hole-tests-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/minkowski2-hole-tests-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/minkowski2-hole-tests-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/minkowski2-hole-tests-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/minkowski2-hole-tests-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_minkowski2-hole-tests" end time: Jul 31 15:29 UTC
"cgalpngtest_minkowski2-hole-tests" time elapsed: 00:00:00

    
cgalpngtest_text-font-alignment-tests
Expected image Actual image
213/991 Testing: cgalpngtest_text-font-alignment-tests
213/991 Test: cgalpngtest_text-font-alignment-tests
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "text-font-alignment-tests" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/text-font-alignment-tests.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_text-font-alignment-tests" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
text-font-alignment-tests
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/text-font-alignment-tests.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/text-font-alignment-tests-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: WARNING: Can't open library '../../ttf/liberation-2.00.1/LiberationSans-Regular.ttf'.
ERROR: Can't read font with path '../../ttf/liberation-2.00.1/LiberationSans-Regular.ttf'
Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

stdout output: syntax error
syntax error
syntax error

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/text-font-alignment-tests-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/text-font-alignment-tests-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/text-font-alignment-tests-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/text-font-alignment-tests-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/text-font-alignment-tests-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.07 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_text-font-alignment-tests" end time: Jul 31 15:29 UTC
"cgalpngtest_text-font-alignment-tests" time elapsed: 00:00:00

    
cgalpngtest_minkowski2-crack
Expected image Actual image
214/991 Testing: cgalpngtest_minkowski2-crack
214/991 Test: cgalpngtest_minkowski2-crack
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "minkowski2-crack" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/minkowski2-crack.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_minkowski2-crack" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
minkowski2-crack
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/minkowski2-crack.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/minkowski2-crack-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

stdout output: syntax error

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/minkowski2-crack-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/minkowski2-crack-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/minkowski2-crack-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/minkowski2-crack-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/minkowski2-crack-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.07 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_minkowski2-crack" end time: Jul 31 15:29 UTC
"cgalpngtest_minkowski2-crack" time elapsed: 00:00:00

    
cgalpngtest_intersection2-tests
Expected image Actual image
215/991 Testing: cgalpngtest_intersection2-tests
215/991 Test: cgalpngtest_intersection2-tests
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "intersection2-tests" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/intersection2-tests.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_intersection2-tests" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
intersection2-tests
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/intersection2-tests.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/intersection2-tests-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: ECHO: "difference-tests"
Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/intersection2-tests-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/intersection2-tests-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/intersection2-tests-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/intersection2-tests-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/intersection2-tests-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_intersection2-tests" end time: Jul 31 15:29 UTC
"cgalpngtest_intersection2-tests" time elapsed: 00:00:00

    
cgalpngtest_render-2d-tests
Expected image Actual image
216/991 Testing: cgalpngtest_render-2d-tests
216/991 Test: cgalpngtest_render-2d-tests
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "render-2d-tests" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/render-2d-tests.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_render-2d-tests" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
render-2d-tests
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/render-2d-tests.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/render-2d-tests-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/render-2d-tests-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/render-2d-tests-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/render-2d-tests-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/render-2d-tests-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/render-2d-tests-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_render-2d-tests" end time: Jul 31 15:29 UTC
"cgalpngtest_render-2d-tests" time elapsed: 00:00:00

    
cgalpngtest_offset-tests
Expected image Actual image
217/991 Testing: cgalpngtest_offset-tests
217/991 Test: cgalpngtest_offset-tests
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "offset-tests" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/offset-tests.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_offset-tests" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
offset-tests
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/offset-tests.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/offset-tests-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/offset-tests-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/offset-tests-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/offset-tests-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/offset-tests-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/offset-tests-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_offset-tests" end time: Jul 31 15:29 UTC
"cgalpngtest_offset-tests" time elapsed: 00:00:00

    
cgalpngtest_highlight-modifier-2d
Expected image Actual image
218/991 Testing: cgalpngtest_highlight-modifier-2d
218/991 Test: cgalpngtest_highlight-modifier-2d
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "highlight-modifier-2d" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/highlight-modifier-2d.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_highlight-modifier-2d" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
highlight-modifier-2d
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/highlight-modifier-2d.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/highlight-modifier-2d-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/highlight-modifier-2d-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/highlight-modifier-2d-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/highlight-modifier-2d-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/highlight-modifier-2d-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/highlight-modifier-2d-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_highlight-modifier-2d" end time: Jul 31 15:29 UTC
"cgalpngtest_highlight-modifier-2d" time elapsed: 00:00:00

    
cgalpngtest_text-font-simple-tests
Expected image Actual image
219/991 Testing: cgalpngtest_text-font-simple-tests
219/991 Test: cgalpngtest_text-font-simple-tests
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "text-font-simple-tests" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/text-font-simple-tests.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_text-font-simple-tests" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
text-font-simple-tests
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/text-font-simple-tests.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/text-font-simple-tests-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: WARNING: Can't open library '../../ttf/liberation-2.00.1/LiberationSans-Regular.ttf'.
ERROR: Can't read font with path '../../ttf/liberation-2.00.1/LiberationSans-Regular.ttf'
Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/text-font-simple-tests-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/text-font-simple-tests-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/text-font-simple-tests-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/text-font-simple-tests-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/text-font-simple-tests-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_text-font-simple-tests" end time: Jul 31 15:29 UTC
"cgalpngtest_text-font-simple-tests" time elapsed: 00:00:00

    
cgalpngtest_difference-2d-tests
Expected image Actual image
220/991 Testing: cgalpngtest_difference-2d-tests
220/991 Test: cgalpngtest_difference-2d-tests
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "difference-2d-tests" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/difference-2d-tests.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_difference-2d-tests" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
difference-2d-tests
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/difference-2d-tests.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/difference-2d-tests-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: ECHO: "difference-2d-tests"
WARNING: Mixing 2D and 3D objects is not supported.
WARNING: Ignoring 3D child object for 2D operation
Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/difference-2d-tests-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/difference-2d-tests-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/difference-2d-tests-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/difference-2d-tests-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/difference-2d-tests-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_difference-2d-tests" end time: Jul 31 15:29 UTC
"cgalpngtest_difference-2d-tests" time elapsed: 00:00:00

    
cgalpngtest_text-font-composition
Expected image Actual image
221/991 Testing: cgalpngtest_text-font-composition
221/991 Test: cgalpngtest_text-font-composition
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "text-font-composition" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/text-font-composition.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_text-font-composition" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
text-font-composition
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/text-font-composition.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/text-font-composition-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: WARNING: Can't open library '../../ttf/liberation-2.00.1/LiberationSans-Regular.ttf'.
ERROR: Can't read font with path '../../ttf/liberation-2.00.1/LiberationSans-Regular.ttf'
Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/text-font-composition-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/text-font-composition-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/text-font-composition-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/text-font-composition-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/text-font-composition-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_text-font-composition" end time: Jul 31 15:29 UTC
"cgalpngtest_text-font-composition" time elapsed: 00:00:00

    
cgalpngtest_circle-tests
Expected image Actual image
222/991 Testing: cgalpngtest_circle-tests
222/991 Test: cgalpngtest_circle-tests
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "circle-tests" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/circle-tests.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_circle-tests" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
circle-tests
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/circle-tests.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/circle-tests-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: WARNING: Ignoring radius variable 'r' as diameter 'd' is defined too.
Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/circle-tests-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/circle-tests-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/circle-tests-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/circle-tests-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/circle-tests-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_circle-tests" end time: Jul 31 15:29 UTC
"cgalpngtest_circle-tests" time elapsed: 00:00:00

    
cgalpngtest_text-search-test
Expected image Actual image
223/991 Testing: cgalpngtest_text-search-test
223/991 Test: cgalpngtest_text-search-test
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "text-search-test" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/text-search-test.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_text-search-test" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
text-search-test
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/text-search-test.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/text-search-test-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: ECHO: [79, 112, 101, 110, 83, 67, 65, 68, 32, 82, 111, 99, 107, 115, 33]
DEPRECATED: child() will be removed in future releases. Use children() instead.
DEPRECATED: The assign() module will be removed in future releases. Use a regular assignment instead.
Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

stdout output: syntax error
\\\\\\
Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/text-search-test-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/text-search-test-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/text-search-test-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/text-search-test-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/text-search-test-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.10 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_text-search-test" end time: Jul 31 15:29 UTC
"cgalpngtest_text-search-test" time elapsed: 00:00:00

    
cgalpngtest_projection-cut-tests
Expected image Actual image
224/991 Testing: cgalpngtest_projection-cut-tests
224/991 Test: cgalpngtest_projection-cut-tests
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "projection-cut-tests" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/projection-cut-tests.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_projection-cut-tests" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
projection-cut-tests
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/projection-cut-tests.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/projection-cut-tests-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: WARNING: Ignoring 2D child object for 3D operation
WARNING: projection() failed.
CGAL Cache insert: difference(){cube(size=[5,5,5],center=tr (21640 bytes)
CGAL Cache insert: multmatrix([[1,0,0,2.1],[0,1,0,2.1],[0,0 (21640 bytes)
CGAL Cache insert: union(){difference(){cube(size=[5,5,5],c (63928 bytes)
CGAL Cache insert: difference(){cube(size=[10,10,10],center (21328 bytes)
Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/projection-cut-tests-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/projection-cut-tests-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/projection-cut-tests-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/projection-cut-tests-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/projection-cut-tests-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.44 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_projection-cut-tests" end time: Jul 31 15:29 UTC
"cgalpngtest_projection-cut-tests" time elapsed: 00:00:00

    
cgalpngtest_projection-tests
Expected image Actual image
225/991 Testing: cgalpngtest_projection-tests
225/991 Test: cgalpngtest_projection-tests
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "projection-tests" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/projection-tests.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_projection-tests" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
projection-tests
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/projection-tests.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/projection-tests-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/projection-tests-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/projection-tests-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/projection-tests-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/projection-tests-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/projection-tests-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.66 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_projection-tests" end time: Jul 31 15:29 UTC
"cgalpngtest_projection-tests" time elapsed: 00:00:00

    
cgalpngtest_minkowski2-tests
Expected image Actual image
226/991 Testing: cgalpngtest_minkowski2-tests
226/991 Test: cgalpngtest_minkowski2-tests
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "minkowski2-tests" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/minkowski2-tests.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_minkowski2-tests" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
minkowski2-tests
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/minkowski2-tests.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/minkowski2-tests-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: DEPRECATED: child() will be removed in future releases. Use children() instead.
Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/minkowski2-tests-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/minkowski2-tests-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/minkowski2-tests-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/minkowski2-tests-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/minkowski2-tests-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_minkowski2-tests" end time: Jul 31 15:29 UTC
"cgalpngtest_minkowski2-tests" time elapsed: 00:00:00

    
cgalpngtest_import_dxf-tests
Expected image Actual image
227/991 Testing: cgalpngtest_import_dxf-tests
227/991 Test: cgalpngtest_import_dxf-tests
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "import_dxf-tests" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/import_dxf-tests.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_import_dxf-tests" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
import_dxf-tests
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/import_dxf-tests.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/import_dxf-tests-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: DEPRECATED: filename= is deprecated. Please use file=
DEPRECATED: layername= is deprecated. Please use layer=
ERROR: Unsupported file format while trying to import file '""'
WARNING: Can't open DXF file '/home/travis/build/openscad/openscad/tests/../testdata/scad/2D/features/notfound.dxf'.
WARNING: Ignoring 3D child object for 2D operation
Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/import_dxf-tests-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/import_dxf-tests-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/import_dxf-tests-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/import_dxf-tests-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/import_dxf-tests-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_import_dxf-tests" end time: Jul 31 15:29 UTC
"cgalpngtest_import_dxf-tests" time elapsed: 00:00:00

    
cgalpngtest_transform-insert
Expected image Actual image
228/991 Testing: cgalpngtest_transform-insert
228/991 Test: cgalpngtest_transform-insert
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "transform-insert" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/transform-insert.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_transform-insert" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
transform-insert
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/transform-insert.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/transform-insert-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/transform-insert-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/transform-insert-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/transform-insert-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/transform-insert-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/transform-insert-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_transform-insert" end time: Jul 31 15:29 UTC
"cgalpngtest_transform-insert" time elapsed: 00:00:00

    
cgalpngtest_polygon-concave-hole
Expected image Actual image
229/991 Testing: cgalpngtest_polygon-concave-hole
229/991 Test: cgalpngtest_polygon-concave-hole
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "polygon-concave-hole" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/polygon-concave-hole.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_polygon-concave-hole" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
polygon-concave-hole
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/polygon-concave-hole.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-concave-hole-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/polygon-concave-hole-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-concave-hole-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-concave-hole-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/polygon-concave-hole-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-concave-hole-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_polygon-concave-hole" end time: Jul 31 15:29 UTC
"cgalpngtest_polygon-concave-hole" time elapsed: 00:00:00

    
cgalpngtest_circle-advanced
Expected image Actual image
230/991 Testing: cgalpngtest_circle-advanced
230/991 Test: cgalpngtest_circle-advanced
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "circle-advanced" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/circle-advanced.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_circle-advanced" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
circle-advanced
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/circle-advanced.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/circle-advanced-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/circle-advanced-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/circle-advanced-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/circle-advanced-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/circle-advanced-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/circle-advanced-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_circle-advanced" end time: Jul 31 15:29 UTC
"cgalpngtest_circle-advanced" time elapsed: 00:00:00

    
cgalpngtest_ellipse-rot
Expected image Actual image
231/991 Testing: cgalpngtest_ellipse-rot
231/991 Test: cgalpngtest_ellipse-rot
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "ellipse-rot" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/ellipse-rot.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_ellipse-rot" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
ellipse-rot
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/ellipse-rot.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/ellipse-rot-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/ellipse-rot-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/ellipse-rot-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/ellipse-rot-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/ellipse-rot-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/ellipse-rot-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_ellipse-rot" end time: Jul 31 15:29 UTC
"cgalpngtest_ellipse-rot" time elapsed: 00:00:00

    
cgalpngtest_polygon-many-holes
Expected image Actual image
232/991 Testing: cgalpngtest_polygon-many-holes
232/991 Test: cgalpngtest_polygon-many-holes
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "polygon-many-holes" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/polygon-many-holes.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_polygon-many-holes" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
polygon-many-holes
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/polygon-many-holes.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-many-holes-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/polygon-many-holes-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-many-holes-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-many-holes-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/polygon-many-holes-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-many-holes-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_polygon-many-holes" end time: Jul 31 15:29 UTC
"cgalpngtest_polygon-many-holes" time elapsed: 00:00:00

    
cgalpngtest_circle
Expected image Actual image
233/991 Testing: cgalpngtest_circle
233/991 Test: cgalpngtest_circle
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "circle" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/circle.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_circle" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
circle
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/circle.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/circle-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/circle-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/circle-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/circle-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/circle-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/circle-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_circle" end time: Jul 31 15:29 UTC
"cgalpngtest_circle" time elapsed: 00:00:00

    
cgalpngtest_polygon-concave-simple
Expected image Actual image
234/991 Testing: cgalpngtest_polygon-concave-simple
234/991 Test: cgalpngtest_polygon-concave-simple
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "polygon-concave-simple" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/polygon-concave-simple.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_polygon-concave-simple" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
polygon-concave-simple
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/polygon-concave-simple.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-concave-simple-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/polygon-concave-simple-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-concave-simple-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-concave-simple-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/polygon-concave-simple-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-concave-simple-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_polygon-concave-simple" end time: Jul 31 15:29 UTC
"cgalpngtest_polygon-concave-simple" time elapsed: 00:00:00

    
cgalpngtest_polygon-intersect
Expected image Actual image
235/991 Testing: cgalpngtest_polygon-intersect
235/991 Test: cgalpngtest_polygon-intersect
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "polygon-intersect" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/polygon-intersect.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_polygon-intersect" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
polygon-intersect
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/polygon-intersect.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-intersect-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/polygon-intersect-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-intersect-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-intersect-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/polygon-intersect-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-intersect-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_polygon-intersect" end time: Jul 31 15:29 UTC
"cgalpngtest_polygon-intersect" time elapsed: 00:00:00

    
cgalpngtest_polygon-holes-touch
Expected image Actual image
236/991 Testing: cgalpngtest_polygon-holes-touch
236/991 Test: cgalpngtest_polygon-holes-touch
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "polygon-holes-touch" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/polygon-holes-touch.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_polygon-holes-touch" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
polygon-holes-touch
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/polygon-holes-touch.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-holes-touch-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/polygon-holes-touch-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-holes-touch-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-holes-touch-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/polygon-holes-touch-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-holes-touch-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_polygon-holes-touch" end time: Jul 31 15:29 UTC
"cgalpngtest_polygon-holes-touch" time elapsed: 00:00:00

    
cgalpngtest_triangle-with-duplicate-vertex
Expected image Actual image
237/991 Testing: cgalpngtest_triangle-with-duplicate-vertex
237/991 Test: cgalpngtest_triangle-with-duplicate-vertex
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "triangle-with-duplicate-vertex" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/triangle-with-duplicate-vertex.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_triangle-with-duplicate-vertex" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
triangle-with-duplicate-vertex
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/triangle-with-duplicate-vertex.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/triangle-with-duplicate-vertex-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/triangle-with-duplicate-vertex-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/triangle-with-duplicate-vertex-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/triangle-with-duplicate-vertex-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/triangle-with-duplicate-vertex-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/triangle-with-duplicate-vertex-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_triangle-with-duplicate-vertex" end time: Jul 31 15:29 UTC
"cgalpngtest_triangle-with-duplicate-vertex" time elapsed: 00:00:00

    
cgalpngtest_ellipse
Expected image Actual image
238/991 Testing: cgalpngtest_ellipse
238/991 Test: cgalpngtest_ellipse
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "ellipse" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/ellipse.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_ellipse" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
ellipse
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/ellipse.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/ellipse-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/ellipse-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/ellipse-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/ellipse-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/ellipse-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/ellipse-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_ellipse" end time: Jul 31 15:29 UTC
"cgalpngtest_ellipse" time elapsed: 00:00:00

    
cgalpngtest_circle-small
Expected image Actual image
239/991 Testing: cgalpngtest_circle-small
239/991 Test: cgalpngtest_circle-small
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "circle-small" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/circle-small.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_circle-small" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
circle-small
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/circle-small.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/circle-small-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/circle-small-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/circle-small-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/circle-small-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/circle-small-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/circle-small-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_circle-small" end time: Jul 31 15:29 UTC
"cgalpngtest_circle-small" time elapsed: 00:00:00

    
cgalpngtest_lwpolyline
Expected image Actual image
240/991 Testing: cgalpngtest_lwpolyline
240/991 Test: cgalpngtest_lwpolyline
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "lwpolyline" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/lwpolyline.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_lwpolyline" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
lwpolyline
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/lwpolyline.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/lwpolyline-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/lwpolyline-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/lwpolyline-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/lwpolyline-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/lwpolyline-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/lwpolyline-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_lwpolyline" end time: Jul 31 15:29 UTC
"cgalpngtest_lwpolyline" time elapsed: 00:00:00

    
cgalpngtest_ellipse-arc
Expected image Actual image
241/991 Testing: cgalpngtest_ellipse-arc
241/991 Test: cgalpngtest_ellipse-arc
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "ellipse-arc" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/ellipse-arc.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_ellipse-arc" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
ellipse-arc
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/ellipse-arc.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/ellipse-arc-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/ellipse-arc-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/ellipse-arc-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/ellipse-arc-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/ellipse-arc-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/ellipse-arc-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.04 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_ellipse-arc" end time: Jul 31 15:29 UTC
"cgalpngtest_ellipse-arc" time elapsed: 00:00:00

    
cgalpngtest_polygon8
Expected image Actual image
242/991 Testing: cgalpngtest_polygon8
242/991 Test: cgalpngtest_polygon8
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "polygon8" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/polygon8.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_polygon8" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
polygon8
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/polygon8.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon8-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/polygon8-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon8-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon8-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/polygon8-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon8-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_polygon8" end time: Jul 31 15:29 UTC
"cgalpngtest_polygon8" time elapsed: 00:00:00

    
cgalpngtest_polygon-self-intersect
Expected image Actual image
243/991 Testing: cgalpngtest_polygon-self-intersect
243/991 Test: cgalpngtest_polygon-self-intersect
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "polygon-self-intersect" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/polygon-self-intersect.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_polygon-self-intersect" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
polygon-self-intersect
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/polygon-self-intersect.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-self-intersect-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/polygon-self-intersect-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-self-intersect-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-self-intersect-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/polygon-self-intersect-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-self-intersect-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_polygon-self-intersect" end time: Jul 31 15:29 UTC
"cgalpngtest_polygon-self-intersect" time elapsed: 00:00:00

    
cgalpngtest_lwpolyline2
Expected image Actual image
244/991 Testing: cgalpngtest_lwpolyline2
244/991 Test: cgalpngtest_lwpolyline2
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "lwpolyline2" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/lwpolyline2.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_lwpolyline2" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
lwpolyline2
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/lwpolyline2.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/lwpolyline2-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/lwpolyline2-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/lwpolyline2-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/lwpolyline2-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/lwpolyline2-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/lwpolyline2-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_lwpolyline2" end time: Jul 31 15:29 UTC
"cgalpngtest_lwpolyline2" time elapsed: 00:00:00

    
cgalpngtest_arc
Expected image Actual image
245/991 Testing: cgalpngtest_arc
245/991 Test: cgalpngtest_arc
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "arc" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/arc.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_arc" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
arc
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/arc.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/arc-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/arc-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/arc-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/arc-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/arc-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/arc-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_arc" end time: Jul 31 15:29 UTC
"cgalpngtest_arc" time elapsed: 00:00:00

    
cgalpngtest_polygon-riser
Expected image Actual image
246/991 Testing: cgalpngtest_polygon-riser
246/991 Test: cgalpngtest_polygon-riser
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "polygon-riser" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/polygon-riser.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_polygon-riser" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
polygon-riser
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/polygon-riser.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-riser-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/polygon-riser-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-riser-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-riser-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/polygon-riser-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-riser-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_polygon-riser" end time: Jul 31 15:29 UTC
"cgalpngtest_polygon-riser" time elapsed: 00:00:00

    
cgalpngtest_polygon-overlap
Expected image Actual image
247/991 Testing: cgalpngtest_polygon-overlap
247/991 Test: cgalpngtest_polygon-overlap
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "polygon-overlap" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/polygon-overlap.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_polygon-overlap" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
polygon-overlap
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/polygon-overlap.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-overlap-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/polygon-overlap-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-overlap-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-overlap-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/polygon-overlap-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-overlap-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_polygon-overlap" end time: Jul 31 15:29 UTC
"cgalpngtest_polygon-overlap" time elapsed: 00:00:00

    
cgalpngtest_polygons
Expected image Actual image
248/991 Testing: cgalpngtest_polygons
248/991 Test: cgalpngtest_polygons
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "polygons" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/polygons.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_polygons" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
polygons
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/polygons.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygons-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/polygons-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygons-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygons-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/polygons-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygons-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_polygons" end time: Jul 31 15:29 UTC
"cgalpngtest_polygons" time elapsed: 00:00:00

    
cgalpngtest_polygon-concave
Expected image Actual image
249/991 Testing: cgalpngtest_polygon-concave
249/991 Test: cgalpngtest_polygon-concave
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "polygon-concave" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/polygon-concave.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_polygon-concave" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
polygon-concave
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/polygon-concave.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-concave-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/polygon-concave-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-concave-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-concave-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/polygon-concave-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-concave-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_polygon-concave" end time: Jul 31 15:29 UTC
"cgalpngtest_polygon-concave" time elapsed: 00:00:00

    
cgalpngtest_ellipse-reverse
Expected image Actual image
250/991 Testing: cgalpngtest_ellipse-reverse
250/991 Test: cgalpngtest_ellipse-reverse
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "ellipse-reverse" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/ellipse-reverse.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_ellipse-reverse" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
ellipse-reverse
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/ellipse-reverse.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/ellipse-reverse-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/ellipse-reverse-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/ellipse-reverse-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/ellipse-reverse-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/ellipse-reverse-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/ellipse-reverse-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_ellipse-reverse" end time: Jul 31 15:29 UTC
"cgalpngtest_ellipse-reverse" time elapsed: 00:00:00

    
cgalpngtest_ellipse-arc-rot
Expected image Actual image
251/991 Testing: cgalpngtest_ellipse-arc-rot
251/991 Test: cgalpngtest_ellipse-arc-rot
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "ellipse-arc-rot" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/ellipse-arc-rot.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_ellipse-arc-rot" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
ellipse-arc-rot
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/ellipse-arc-rot.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/ellipse-arc-rot-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/ellipse-arc-rot-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/ellipse-arc-rot-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/ellipse-arc-rot-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/ellipse-arc-rot-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/ellipse-arc-rot-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_ellipse-arc-rot" end time: Jul 31 15:29 UTC
"cgalpngtest_ellipse-arc-rot" time elapsed: 00:00:00

    
cgalpngtest_polygon-mesh
Expected image Actual image
252/991 Testing: cgalpngtest_polygon-mesh
252/991 Test: cgalpngtest_polygon-mesh
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "polygon-mesh" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/polygon-mesh.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_polygon-mesh" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
polygon-mesh
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/polygon-mesh.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-mesh-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/polygon-mesh-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-mesh-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-mesh-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/polygon-mesh-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polygon-mesh-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_polygon-mesh" end time: Jul 31 15:29 UTC
"cgalpngtest_polygon-mesh" time elapsed: 00:00:00

    
cgalpngtest_circle-double
Expected image Actual image
253/991 Testing: cgalpngtest_circle-double
253/991 Test: cgalpngtest_circle-double
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "circle-double" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/circle-double.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_circle-double" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
circle-double
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/circle-double.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/circle-double-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/circle-double-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/circle-double-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/circle-double-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/circle-double-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/circle-double-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_circle-double" end time: Jul 31 15:29 UTC
"cgalpngtest_circle-double" time elapsed: 00:00:00

    
cgalpngtest_lwpolyline-closed
Expected image Actual image
254/991 Testing: cgalpngtest_lwpolyline-closed
254/991 Test: cgalpngtest_lwpolyline-closed
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "lwpolyline-closed" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/lwpolyline-closed.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_lwpolyline-closed" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
lwpolyline-closed
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/lwpolyline-closed.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/lwpolyline-closed-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/lwpolyline-closed-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/lwpolyline-closed-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/lwpolyline-closed-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/lwpolyline-closed-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/lwpolyline-closed-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_lwpolyline-closed" end time: Jul 31 15:29 UTC
"cgalpngtest_lwpolyline-closed" time elapsed: 00:00:00

    
cgalpngtest_multiple-layers
Expected image Actual image
255/991 Testing: cgalpngtest_multiple-layers
255/991 Test: cgalpngtest_multiple-layers
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "multiple-layers" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/multiple-layers.scad" "--camera=0,0,100,0,0,0" "--viewall" "--autocenter" "--projection=ortho" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_multiple-layers" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
multiple-layers
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/dxf/multiple-layers.scad', '--camera=0,0,100,0,0,0', '--viewall', '--autocenter', '--projection=ortho', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/multiple-layers-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/multiple-layers-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/multiple-layers-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/multiple-layers-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/multiple-layers-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/multiple-layers-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.05 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_multiple-layers" end time: Jul 31 15:29 UTC
"cgalpngtest_multiple-layers" time elapsed: 00:00:00

    
cgalpngtest_projection-extrude-tests
Expected image Actual image
256/991 Testing: cgalpngtest_projection-extrude-tests
256/991 Test: cgalpngtest_projection-extrude-tests
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "projection-extrude-tests" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/3D/features/projection-extrude-tests.scad" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_projection-extrude-tests" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
projection-extrude-tests
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/3D/features/projection-extrude-tests.scad', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/projection-extrude-tests-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: CGAL Cache insert: multmatrix([[1,0,0,22],[0,1,0,0],[0,0,1, (197896 bytes)
Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/projection-extrude-tests-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/projection-extrude-tests-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/projection-extrude-tests-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/projection-extrude-tests-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/projection-extrude-tests-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   1.61 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_projection-extrude-tests" end time: Jul 31 15:29 UTC
"cgalpngtest_projection-extrude-tests" time elapsed: 00:00:01

    
cgalpngtest_difference-tests
Expected image Actual image
257/991 Testing: cgalpngtest_difference-tests
257/991 Test: cgalpngtest_difference-tests
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "difference-tests" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/3D/features/difference-tests.scad" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_difference-tests" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
difference-tests
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/3D/features/difference-tests.scad', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/difference-tests-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: ECHO: "difference-tests"
CGAL Cache insert: difference(){cube(size=[10,10,10],center (142088 bytes)
CGAL Cache insert: difference(){cube(size=[10,10,10],center (10864 bytes)
CGAL Cache insert: difference(){cube(size=[10,10,10],center (44768 bytes)
CGAL Cache insert: difference(){cube(size=[0,10,10],center= (0 bytes)
CGAL Cache insert: difference(){group();cube(size=[10,10,10 (44656 bytes)
WARNING: Mixing 2D and 3D objects is not supported.
WARNING: Ignoring 2D child object for 3D operation
CGAL Cache insert: difference(){cube(size=[10,10,10],center (44656 bytes)
CGAL Cache insert: multmatrix([[1,0,0,0],[0,1,0,12],[0,0,1, (142088 bytes)
CGAL Cache insert: multmatrix([[1,0,0,12],[0,1,0,12],[0,0,1 (10864 bytes)
CGAL Cache insert: multmatrix([[1,0,0,24],[0,1,0,0],[0,0,1, (44768 bytes)
CGAL Cache insert: multmatrix([[1,0,0,24],[0,1,0,12],[0,0,1 (0 bytes)
CGAL Cache insert: multmatrix([[1,0,0,24],[0,1,0,-12],[0,0, (44656 bytes)
CGAL Cache insert: difference();difference();difference(){c (297456 bytes)
Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/difference-tests-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/difference-tests-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/difference-tests-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/difference-tests-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/difference-tests-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.69 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_difference-tests" end time: Jul 31 15:29 UTC
"cgalpngtest_difference-tests" time elapsed: 00:00:00

    
cgalpngtest_surface-png-image-tests
Expected image Actual image
258/991 Testing: cgalpngtest_surface-png-image-tests
258/991 Test: cgalpngtest_surface-png-image-tests
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "surface-png-image-tests" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/3D/features/surface-png-image-tests.scad" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_surface-png-image-tests" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
surface-png-image-tests
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/3D/features/surface-png-image-tests.scad', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/surface-png-image-tests-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/surface-png-image-tests-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/surface-png-image-tests-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/surface-png-image-tests-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/surface-png-image-tests-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/surface-png-image-tests-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.09 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_surface-png-image-tests" end time: Jul 31 15:29 UTC
"cgalpngtest_surface-png-image-tests" time elapsed: 00:00:00

    
cgalpngtest_transform-tests
Expected image Actual image
259/991 Testing: cgalpngtest_transform-tests
259/991 Test: cgalpngtest_transform-tests
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "transform-tests" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/3D/features/transform-tests.scad" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_transform-tests" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
transform-tests
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/3D/features/transform-tests.scad', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/transform-tests-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: CGAL Cache insert: multmatrix([[1,0,0,25],[0,1,0,0],[0,0,1, (487192 bytes)
Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/transform-tests-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/transform-tests-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/transform-tests-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/transform-tests-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/transform-tests-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.79 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_transform-tests" end time: Jul 31 15:29 UTC
"cgalpngtest_transform-tests" time elapsed: 00:00:00

    
cgalpngtest_polyhedron-concave-test
Expected image Actual image
260/991 Testing: cgalpngtest_polyhedron-concave-test
260/991 Test: cgalpngtest_polyhedron-concave-test
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "polyhedron-concave-test" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/3D/features/polyhedron-concave-test.scad" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_polyhedron-concave-test" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
polyhedron-concave-test
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/3D/features/polyhedron-concave-test.scad', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polyhedron-concave-test-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/polyhedron-concave-test-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polyhedron-concave-test-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/polyhedron-concave-test-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/polyhedron-concave-test-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/polyhedron-concave-test-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.04 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_polyhedron-concave-test" end time: Jul 31 15:29 UTC
"cgalpngtest_polyhedron-concave-test" time elapsed: 00:00:00

    
cgalpngtest_scale3D-tests
Expected image Actual image
261/991 Testing: cgalpngtest_scale3D-tests
261/991 Test: cgalpngtest_scale3D-tests
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "scale3D-tests" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/3D/features/scale3D-tests.scad" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_scale3D-tests" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
scale3D-tests
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/3D/features/scale3D-tests.scad', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/scale3D-tests-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: WARNING: Ignoring 3D child object for 2D operation
WARNING: Ignoring 3D child object for 2D operation
WARNING: Ignoring 3D child object for 2D operation
CGAL Cache insert: multmatrix([[1,0,0,0],[0,1,0,0],[0,0,1,0 (63520 bytes)
Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/scale3D-tests-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/scale3D-tests-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/scale3D-tests-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/scale3D-tests-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/scale3D-tests-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.10 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_scale3D-tests" end time: Jul 31 15:29 UTC
"cgalpngtest_scale3D-tests" time elapsed: 00:00:00

    
cgalpngtest_import_stl-tests
Expected image Actual image
262/991 Testing: cgalpngtest_import_stl-tests
262/991 Test: cgalpngtest_import_stl-tests
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "import_stl-tests" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/3D/features/import_stl-tests.scad" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_import_stl-tests" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
import_stl-tests
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/3D/features/import_stl-tests.scad', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/import_stl-tests-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: WARNING: Can't open import file '/home/travis/build/openscad/openscad/tests/../testdata/scad/3D/features/not-found.stl'.
CGAL Cache insert: difference(){import(file="not-found.stl" (0 bytes)
CGAL Cache insert: multmatrix([[1,0,0,2],[0,1,0,2],[0,0,1,0 (0 bytes)
CGAL Cache insert: multmatrix([[1,0,0,2],[0,1,0,0],[0,0,1,0 (205016 bytes)
Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/import_stl-tests-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/import_stl-tests-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/import_stl-tests-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/import_stl-tests-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/import_stl-tests-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.26 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_import_stl-tests" end time: Jul 31 15:29 UTC
"cgalpngtest_import_stl-tests" time elapsed: 00:00:00

    
cgalpngtest_surface-png-image3-tests
Expected image Actual image
263/991 Testing: cgalpngtest_surface-png-image3-tests
263/991 Test: cgalpngtest_surface-png-image3-tests
Command: "/opt/python/2.7.10/bin/python" "/home/travis/build/openscad/openscad/tests/test_cmdline_tool.py" "--comparator=" "-c" "/usr/bin/convert" "-s" "png" "-t" "cgalpngtest" "-f" "surface-png-image3-tests" "/home/travis/build/openscad/openscad/tests/../openscad" "/home/travis/build/openscad/openscad/tests/../testdata/scad/3D/features/surface-png-image3-tests.scad" "--render" "-o"
Directory: /home/travis/build/openscad/openscad/tests
"cgalpngtest_surface-png-image3-tests" start time: Jul 31 15:29 UTC
Output:
----------------------------------------------------------
surface-png-image3-tests
run_test() cmdline: ['/home/travis/build/openscad/openscad/tests/../openscad', '/home/travis/build/openscad/openscad/tests/../testdata/scad/3D/features/surface-png-image3-tests.scad', '--render', '-o', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/surface-png-image3-tests-actual.png']
using font directory: /home/travis/build/openscad/openscad/tests/../testdata
stderr output: Unable to open a connection to the X server (DISPLAY=Can't create OpenGL OffscreenView. Code: -1.

Image comparison cmdline: 
["/usr/bin/convert"],['/home/travis/build/openscad/openscad/tests/regression/cgalpngtest/surface-png-image3-tests-expected.png', '/home/travis/build/openscad/openscad/tests/cgalpngtest-output/surface-png-image3-tests-actual.png', '-alpha', 'Off', '-compose', 'difference', '-composite', '-threshold', '10%', '-morphology', 'Erode', 'Square', '-format', '%[fx:w*h*mean]', 'info:']
 actual image: /home/travis/build/openscad/openscad/tests/cgalpngtest-output/surface-png-image3-tests-actual.png

 expected image: /home/travis/build/openscad/openscad/tests/regression/cgalpngtest/surface-png-image3-tests-expected.png

Image comparison return: 1 output: convert: improper image header `/home/travis/build/openscad/openscad/tests/cgalpngtest-output/surface-png-image3-tests-actual.png' @ error/png.c/ReadPNGImage/3675.
convert: no images defined `info:' @ error/convert.c/ConvertImageCommand/3044.


Test time =   0.11 sec
----------------------------------------------------------
Test Failed.
"cgalpngtest_surface-png-image3-tests" end time: Jul 31 15:29 UTC
"cgalpngtest_surface-png-image3-tests" time elapsed: 00:00:00

    
cgalpngtest_polyhedron-tests
Expected image Actual image