[vtkusers] Subclassing vtkActor broken?

[stoptv]

replying to oneself is kind of creepy, but perhaps it will benefit someone:

the problem, if I understand correctly, lays in the fact that
vtkObjectFactory is used to create a vtkActor instance.
vtkObjectFactory can override any class with a subclass of that class and
that's exactly what it does in the case
of instantiating vtkActor. either vtkMesaActor or vtkOpenGLActor gets
created. when we subclass vtkActor into
class myActor : public vtkActor .. myActor is NOT a superclass of either
OpenGL or Mesa varieties of vtkActors,
and thus the object eludes rendering.

the solution is to instead subclass vtkOpenGLActor or vtkMesaActor.

--
stoptv at gmail.com
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