[vtkusers] Display Error under Ubuntu 16.04
Bill Lorensen
bill.lorensen at gmail.com
Wed Nov 16 15:39:08 EST 2016
Andrea,
Thanks for providing simple examples that illustrated the problem.
I think you uncovered a bug. I'm happy there is a workaround...
Bill
On Wed, Nov 16, 2016 at 3:34 PM, Andrea Borsic
<aborsic at ne-scientific.com> wrote:
> Thanks so much for your time!
>
> Best Regards,
>
> Andrea
>
>
>
> On 11/16/2016 8:56 PM, Bill Lorensen wrote:
>>
>> Solved.
>>
>> looks like you need to:
>> interactor = vtk.vtkRenderWindowInteractor()
>> interactor.SetRenderWindow(renWin)
>>
>> BEFORE:
>> renWin.Render()
>>
>> I'm not sure why. Looks like a strange bug to me.
>>
>> Your numpy example also works with this fix.
>>
>>
>> On Wed, Nov 16, 2016 at 2:03 PM, Andrea Borsic
>> <aborsic at ne-scientific.com> wrote:
>>>
>>> Sorry for the many posts, just a last one with a further simplified
>>> example
>>> that removes the need for numpy and numpy conversions ...
>>>
>>> Best Regards,
>>>
>>> Andrea
>>>
>>>
>>> On 11/16/2016 6:01 PM, Andrea Borsic wrote:
>>>
>>> I have further simplified the script (it still crashes under Ubuntu and
>>> not
>>> under Windows)
>>>
>>> Best,
>>>
>>> Andrea
>>>
>>>
>>> On 11/16/2016 5:29 PM, Andrea Borsic wrote:
>>>
>>> Thanks for your test.
>>>
>>> My hint to the problem is wrong though - I have realized that MaxId is
>>> equal to size() - 1 and not NumberOfTuples() -1, so the MaxId shown by
>>> print() is correct.
>>>
>>> I will do some more digging,
>>>
>>> Best and thanks,
>>>
>>> Andrea
>>>
>>>
>>> On 16/11/2016 17:13, Bill Lorensen wrote:
>>>
>>> I get the same error on my Ubuntu14.04 build.
>>>
>>> On Wed, Nov 16, 2016 at 10:38 AM, Andrea Borsic
>>> <aborsic at ne-scientific.com> wrote:
>>>
>>> Hi All,
>>>
>>> Apologies for the long hiatus, but I would like to understand why the
>>> crash
>>> I and Elvis are experiencing is occurring. I am half convinced it could
>>> be a
>>> bug in the numpy support functions, and wanted to share my knowledge so
>>> far
>>> in order to hear any possible feedback.
>>>
>>> I am attaching a new Python script, which is simpler and self contained
>>> now.
>>> The script builds a vtkUnstructuredGrid with a single tetrahedra and
>>> displays it. The script does not crash under Windows, but crashes under
>>> Ubuntu 16.04 / VTK 7.1RC2 / OpenGL2
>>>
>>> The dataset has only 4 points and the only cell of the dataset (a
>>> tetrahedra) is described by the list of nodes [0,1,2,3] to which is
>>> pre-pended a "4" to indicate that 4 points describe the cell, the cell
>>> data
>>> is therefore [4,0,1,2,3]. The cell data is automatically converted from
>>> numpy to vtk using the vtk numpy support functions.
>>>
>>> Printing the VTK converted cell_data (line 47) shows the output attached
>>> below:
>>>
>>> In the output the MaxId is 4, but the number of tuples is 1, shouldn't
>>> the
>>> MaxId therefore be 0 (the shape of the array is (1,5) )? Can this be the
>>> source of the problem ?
>>>
>>> Similarly if a (2x5) numpy array is converted to vtk with
>>> vtk_np.numpy_to_vtkIdTypeArray, the resulting array has a MaxId of 9,
>>> which
>>> in my opininion should be 1. I will dig some more into the
>>> vtk_np.numpy_to_vtkIdTypeArray function ...
>>>
>>> Thanks for any comment,
>>>
>>> Best Regards,
>>>
>>> Andrea
>>>
>>>
>>> Printing cell data
>>> vtkIdTypeArray (000002C3420E7BE0)
>>> Debug: Off
>>> Modified Time: 54
>>> Reference Count: 1
>>> Registered Events: (none)
>>> Name: (none)
>>> Data type: idtype
>>> Size: 5
>>> MaxId: 4
>>> NumberOfComponents: 5
>>> Information: 0000000000000000
>>> Name: (none)
>>> Number Of Components: 5
>>> Number Of Tuples: 1
>>> Size: 5
>>> MaxId: 4
>>> LookupTable: (none)
>>> Array: 000002C342B0EA50
>>>
>>>
>>>
>>>
>>>
>>>
>>> On 10/28/2016 4:39 PM, Andrea Borsic wrote:
>>>
>>> Hi Elvis,
>>>
>>> Thanks for testing this. Actually I started out on Ubuntu with your Jumbo
>>> VTK package, and is it was throwing this error, I switched to compiling
>>> from
>>> source - with the same result.
>>>
>>> Cheers,
>>>
>>> Andrea
>>>
>>>
>>>
>>> I tested your example with the 7.1.0.rc1 build we use at work (also
>>> Ubuntu 16.04), and I also get an X error, though a slightly different
>>> one:
>>>
>>> X Error of failed request: BadMatch (invalid parameter attributes)
>>> Major opcode of failed request: 154 (GLX)
>>> Minor opcode of failed request: 11 (X_GLXSwapBuffers)
>>> Serial number of failed request: 2141
>>> Current serial number in output stream: 2143
>>>
>>> I can confirm that commenting the interactor initialization/start, it
>>> terminates OK.
>>>
>>> Haven't looked closer at what's happening, but just thought I should
>>> share.
>>>
>>> For brevity, these are the flags we use when configuring our build:
>>>
>>> -DCMAKE_INSTALL_PREFIX=/opt/VTK7 \
>>> -DVTK_Group_Qt=ON \
>>> -DVTK_QT_VERSION=5 \
>>> -DVTK_Group_Imaging=ON \
>>> -DVTK_Group_Views=ON \
>>> -DModule_vtkRenderingFreeTypeFontConfig=ON \
>>> -DVTK_WRAP_PYTHON=ON \
>>> -DVTK_PYTHON_VERSION=3 \
>>> -DPYTHON_EXECUTABLE=/usr/bin/python3 \
>>> -DPYTHON_INCLUDE_DIR=/usr/include/python3.5 \
>>> -DPYTHON_LIBRARY=/usr/lib/$(DEB_HOST_MULTIARCH)/libpython3.5m.so \
>>> -DBUILD_TESTING=OFF \
>>> -DVTK_USE_SYSTEM_LIBRARIES=ON \
>>> -DVTK_USE_SYSTEM_LIBPROJ4=OFF \
>>> -DVTK_USE_SYSTEM_GL2PS=OFF \
>>> -DCMAKE_BUILD_TYPE=Release
>>>
>>> Elvis
>>>
>>> Best Regards,
>>>
>>> Andrea
>>>
>>>
>>>
>>> On 27/10/2016 23:25, Ken Martin wrote:
>>>
>>> Hmm, well that means VTK's rendering engine is initializing OK and
>>> running.
>>> So it could be something specific to the python app. If you run some of
>>> the
>>> python tests do they work? ala
>>>
>>> ctest -R Python -I ,,23
>>>
>>> thats runs 1/23rd of the python tests
>>>
>>> if those all pass then it must be something specific to your script
>>>
>>>
>>>
>>> On Thu, Oct 27, 2016 at 5:16 PM, Andrea Borsic
>>> <aborsic at ne-scientific.com>
>>> wrote:
>>>
>>> Hi Ken,
>>>
>>> The test seems to run fine, I am attaching below the output.
>>>
>>> Best Regards,
>>>
>>> Andrea
>>>
>>>
>>> -----------------------
>>>
>>> andrea at i7-Desktop:/opt/VTK-7.1.0.rc1-bin$ sudo ctest -R VBOPLY -VV
>>> UpdateCTestConfiguration from
>>> :/opt/VTK-7.1.0.rc1-bin/DartConfiguration.tcl
>>> Parse Config file:/opt/VTK-7.1.0.rc1-bin/DartConfiguration.tcl
>>> Add coverage exclude regular expressions.
>>> Add coverage exclude: vtk.*TCLInit.cxx
>>> Add coverage exclude: vtk[^\.]+(Java|Python|Tcl).cxx
>>> Add coverage exclude: .*vtkOpenGLState.*
>>> Add coverage exclude: .*Testing.Cxx.*cxx
>>> Add coverage exclude: .*Testing.Cxx.*h
>>> Add coverage exclude: .*moc_.*cxx
>>> Add coverage exclude: .*/Rendering/OpenGL/vtkgl.*
>>> Add coverage exclude: .*/Utilities/.*
>>> Add coverage exclude: .*/ThirdParty/.*
>>> Add coverage exclude: .*vtkOpenGLPolyDataMapper.*
>>> SetCTestConfiguration:CMakeCommand:/usr/bin/cmake
>>> UpdateCTestConfiguration from
>>> :/opt/VTK-7.1.0.rc1-bin/DartConfiguration.tcl
>>> Parse Config file:/opt/VTK-7.1.0.rc1-bin/DartConfiguration.tcl
>>> Test project /opt/VTK-7.1.0.rc1-bin
>>> Constructing a list of tests
>>> Done constructing a list of tests
>>> Checking test dependency graph...
>>> Checking test dependency graph end
>>> test 1551
>>> Start 1551: vtkRenderingOpenGL2Cxx-TestVBOPLYMapper
>>>
>>> 1551: Test command:
>>> /opt/VTK-7.1.0.rc1-bin/bin/vtkRenderingOpenGL2CxxTests
>>> "TestVBOPLYMapper" "-D" "/opt/VTK-7.1.0.rc1-bin/ExternalData//Testing"
>>> "-T"
>>> "/opt/VTK-7.1.0.rc1-bin/Testing/Temporary" "-V"
>>>
>>>
>>> "/opt/VTK-7.1.0.rc1-bin/ExternalData/Rendering/OpenGL2/Testing/Data/Baseline/TestVBOPLYMapper.png"
>>> 1551: Test timeout computed to be: 3600
>>> 1551: first render time: 0.132993
>>> 1551: opengl version 4.5
>>> 1551: interactive render time: 0.0166377
>>> 1551: number of triangles: 871414
>>> 1551: triangles per second: 5.2376e+07
>>> 1551: <DartMeasurement name="ImageError"
>>> type="numeric/double">0</DartMeasurement><DartMeasurement
>>> name="BaselineImage"
>>> type="text/string">Standard</DartMeasurement><DartMeasurement
>>> name="WallTime" type="numeric/double">0.059715</DartMeasurement>
>>> 1551: <DartMeasurement name="CPUTime"
>>> type="numeric/double">0.037073</DartMeasurement>
>>> 1/1 Test #1551: vtkRenderingOpenGL2Cxx-TestVBOPLYMapper ... Passed
>>> 0.91 sec
>>>
>>> The following tests passed:
>>> vtkRenderingOpenGL2Cxx-TestVBOPLYMapper
>>>
>>> 100% tests passed, 0 tests failed out of 1
>>>
>>> Label Time Summary:
>>> vtkRenderingOpenGL2 = 0.91 sec (1 test)
>>>
>>> Total Test time (real) = 0.97 sec
>>>
>>>
>>>
>>>
>>>
>>> On 27/10/2016 18:56, Ken Martin wrote:
>>>
>>> Can you try running ctest -R VBOPLY -VV and let us know the output?
>>>
>>> On Thu, Oct 27, 2016 at 12:46 PM, Andrea Borsic
>>> <aborsic at ne-scientific.com> wrote:
>>>
>>> Dear All,
>>>
>>> I have successfully compiled VTK 7.0.0 under Ubuntu 16.04.1 LTS on a
>>> computer with the following hw configuration:
>>>
>>> Processor: Intel Core i7
>>>
>>> GPU: NVIDIA GTX Titan Black
>>>
>>> ---
>>>
>>> VTK has been configured for:
>>>
>>> OpenGL 2 back-end
>>>
>>> Use Qt 5.7
>>>
>>> Use OpenMP for SMP
>>>
>>> Wrap Python 3 (ver 3.5.2 on the system)
>>>
>>> ---
>>>
>>> A simple python script which displays an unstructured grid and which
>>> works fine under Windows, opens (under Ubuntu) a rendering window and
>>> crashes with the message below:
>>>
>>> X Error of failed request: GLXBadDrawable
>>> Major opcode of failed request: 154 (GLX)
>>> Minor opcode of failed request: 11 (X_GLXSwapBuffers)
>>> Serial number of failed request: 111
>>> Current serial number in output stream: 111
>>>
>>>
>>> Do you have any hint about this? Should I try the RC 7.1 or switch to
>>> the
>>> plain OpenGL back-end ?
>>>
>>> Thanks in advance for any suggestion,
>>>
>>> Best Regards,
>>>
>>> Andrea
>>>
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>>
>>
>
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