[vtkusers] OpenGL errors upon move from 6.3.0 to 7.0.0

Richard Frank rickfrank at me.com
Tue Feb 23 11:37:41 EST 2016

There are 16600 points and 16600 normals in each model, I'm using Qt 5.5 and there are four of these models - 1 in each renderview -  (Sagital, Axial, Coronal, etc). Each model is composed of surfaces created with triangle strips.

Each model contains a number of actors for each surface, (variable, depends on anatomy) put together into an assembly.

It's a medical application. Works fine in VTK 6.3.0 

NVidia quadro K5200
Graphics Card should be beefy enough.


On Feb 22, 2016, at 09:44 PM, Ken Martin <ken.martin at kitware.com> wrote:

Out of memory is an unusual one. Maybe the mesh is too big to load all at once in the new backend. How big is the mesh you are trying to render (number of points, number of triangles) and does it use cell colors or cell normals?  That would help me get a feel if it is really just exceeding what the card can handle.


On Mon, Feb 22, 2016 at 6:50 PM, Richard Frank <rickfrank at me.com> wrote:

I get the following errors ( and my fairly complex polygon mesh fails to render ) when using VTK 7.0.

\vtk770\Rendering\OpenGL2\vtkOpenGLPolyDataMapper.cxx, line 1440
vtkOpenGLPolyDataMapper (0000016618EFD490): failed after UpdateShader 1 OpenGL errors detected
0 : (1282) Invalid operation

ERROR: In \vtk770\Rendering\OpenGL2\vtkOpenGLActor.cxx, line 91
vtkOpenGLActor (0000016619E228B0): failed after Render 1 OpenGL errors detected
0 : (1285) Out of memory

This is code is " works " fine in 6.3.0.

I'm using an NVidia quadro K5200 with 8G.

Any tips on how to debug this?


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