[vtkusers] Problem about vtkPicker

[XingJoshua]

Hey, everybody~

 

Though I have used vtk for a long period, it's my first time to use vtkPicker. Here I came across a problem with vtkPicker: there are several vtkPolydata displaying in the screen, how could the vtkPicker pick the cells from a certain polydata rather than others?

 

Thanks~



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