[vtkusers] Display Error under Ubuntu 16.04
Andrea Borsic
aborsic at ne-scientific.com
Wed Nov 16 14:03:34 EST 2016
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
>>>>>>>>>
>>>>>>>>> _______________________________________________
>>>>>>>>> Powered by www.kitware.com
>>>>>>>>>
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>>>>>>>>
>>>>>>>>
>>>>>>>> --
>>>>>>>> Ken Martin PhD
>>>>>>>> Chairman & CFO
>>>>>>>> Kitware Inc.
>>>>>>>> 28 Corporate Drive
>>>>>>>> Clifton Park NY 12065
>>>>>>>> 518 371 3971
>>>>>>>>
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>>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> Ken Martin PhD
>>>>>>> Chairman & CFO
>>>>>>> Kitware Inc.
>>>>>>> 28 Corporate Drive
>>>>>>> Clifton Park NY 12065
>>>>>>> 518 371 3971
>>>>>>>
>>>>>>> This communication, including all attachments, contains
>>>>>>> confidential and
>>>>>>> legally privileged information, and it is intended only for the
>>>>>>> use of
>>>>>>> the
>>>>>>> addressee. Access to this email by anyone else is unauthorized.
>>>>>>> If you
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import time
import vtk
# manually generate a vtkUnstructuredGrid with a single tetrahedra
# generate 4 points in space for forming a tetrahedra
pts = vtk.vtkPoints()
pts.InsertNextPoint(0.0, 0.0, 0.0)
pts.InsertNextPoint(0.0, 0.0, 1.0)
pts.InsertNextPoint(0.0, 1.0, 0.0)
pts.InsertNextPoint(1.0, 0.0, 0.0)
# generate the list of Ids [0,1,2,3] representing the tetrahedra
idList = vtk.vtkIdList()
idList.InsertNextId(0)
idList.InsertNextId(1)
idList.InsertNextId(2)
idList.InsertNextId(3)
cells = vtk.vtkCellArray()
cells.InsertNextCell(idList)
# create an vtkUnstructuredGrid from the vtkPoints and vtkCellArray
dataset = vtk.vtkUnstructuredGrid()
dataset.SetPoints(pts)
dataset.SetCells(vtk.VTK_TETRA, cells)
# display now the dataset
# use a mapper
mapper = vtk.vtkDataSetMapper()
mapper.SetInputData(dataset)
# actor
actor = vtk.vtkActor()
actor.SetMapper(mapper)
actor.GetProperty().SetRepresentationToWireframe()
# renderer
ren = vtk.vtkRenderer()
ren.AddActor(actor)
# render window
renWin = vtk.vtkRenderWindow() # save ref, so that we can start an interactor at a later time
renWin.AddRenderer(ren)
renWin.SetSize(600,600)
renWin.SetPosition(600,250)
renWin.Render()
# setup the interactor
interactor = vtk.vtkRenderWindowInteractor()
interactor.SetRenderWindow(renWin)
# DISPLAY THE DATASET FOR 2sec BEFORE STARTING THE INTERACTOR (WHICH WILL CRASH THE SCRIPT)
time.sleep(2)
####################### NOTE ###############################
# IF BOTH NEXT LINES ARE COMMENTED THE SCRIPT WILL NOT CRASH
interactor.Initialize()
interactor.Start()
print("Terminated OK")
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