Error: no override is found for 'vtkPolyDataMapper'

Support
1

I have built vtk-8.2.0, and have compiled a simple test program, cylinder.cxx.
When I run it, a window pops up for a couple of seconds, with this message (which I managed to capture on my phone with some difficulty):

Generic Warning: In C:\VTK\VTK 8.2.0\VTK 8.2.0\Rendering\Core\vtkPolyDataMapper.cxx, line 28
Error: no override found for ‘vtkPolyDataMapper’

I don’t know if this error is the reason, but the program doesn’t run - nothing is displayed except this popup.

2

In order to render, the program must link vtkRenderingOpenGL2. I’m pretty sure that this library is included in the CMakeLists.txt of the official cylinder.cxx example.

3

In fact, if I’m not mistaken, when building VTK 8 it was possible to configure which rendering backend to use:

VTK_RENDERING_BACKEND:STRING=OpenGL

VTK_RENDERING_BACKEND:STRING=OpenGL2

Since the OpenGL2 backend is that one that requires OpenGL 3.2 or later, this might have been the cause of your difficulties with Qt.

4

Hello,

During my time with VTK8 and Qt, I indeed had always to enable the OpenGL2 backend. The other didn’t work for me.

regards,

PC