[vtkusers] Rendering vtkChartXYZ using Qt(QVTKWidget)

[Kantharaju]

Hello all,

I am trying to render 3d Chart, using vtkChartXYZ using Qt libraries ( Qt
5.3.0 & vtk 6.2.0), It renders the graph correctly but i am keep getting
OpenGL Error Messages, i guess there must be some initializing steps of
something, i have attached the source files for reference. will be helpful
if somebody can through some leads on it thank you, following lines are the
error messages. 

ERROR: In
/opt/Projects/VTK-6.2.0-Src/VTK-6.2.0/Rendering/ContextOpenGL/vtkOpenGLContextDevice2D.cxx,
line 1251
vtkOpenGLContextDevice2D (0x20a78a0): failed after PopMatrix 1 OpenGL errors
detected
  0 : (1284) Stack underflow

ERROR: In
/opt/Projects/VTK-6.2.0-Src/VTK-6.2.0/Rendering/ContextOpenGL/vtkOpenGLContextDevice2D.cxx,
line 176
vtkOpenGLContextDevice2D (0x20a78a0): failed after End 1 OpenGL errors
detected
  0 : (1284) Stack underflow



main.cpp <http://vtk.1045678.n5.nabble.com/file/n5732552/main.cpp>  
vtkqtgraphTest.pro
<http://vtk.1045678.n5.nabble.com/file/n5732552/vtkqtgraphTest.pro>  



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