[vtkusers] vtk render window in a Qt4 Application + QThreads

[Bill Chivas]

Hi everyone,

i have a Qt4 application and i use vtk to display a vtkpolydata. 
I start a new QThread in order to do some heavy computations and within the thread i call a method of mainWindow which updates the data and the vtk window. 
Of course it doesn't work because i access with no synchronization shared data. I think i should use mutexes but unfortunately iam not familiar.
Can anyone help me in order to fix this problem?
 		 	   		  
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