[vtkusers] VTK Renderer multithread problem

[Lodron, Gerald]

Hi,

No way, it is not allowed to use VTK classes in different threads, the pipeline crashes....

See http://www.vtk.org/Wiki/VTK/FAQ
Thread safety....

Best regards,

-----Ursprüngliche Nachricht-----
Von: vtkusers-bounces at vtk.org [mailto:vtkusers-bounces at vtk.org] Im Auftrag von maaschn
Gesendet: Donnerstag, 21. November 2013 16:34
An: vtkusers at vtk.org
Betreff: [vtkusers] VTK Renderer multithread problem

Hello,

I've got a multithread application in which one thread collects points and fills them into a polydata object which it gets passed in the constructor from the main thread which keeps the pipeline. I am using Qt and a Mutex lock. It nevertheless happens from time to time that my application crashes when the Renderer calls the render funtion. Then there is an unvalid cell id while transversing the polydata. I think it must have something to do with a collision between those two threads. Has some experienced something alike?
Or does someone knows what I could do to get this method threadsafe?



Thanks in advance

Maaschn



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