[vtkusers] world coordinates picking with mouse

[Sedat DOGAN2]

Dear Friends,

I use vtk with Borland C++ Builder 5.0.
I have a specific problem. If anybody can help me I'll be glad.

I want to pick world coordinates of a point on vtkRenderWindow. For this purpose, I have written necassary codes in the MouseDown Function of the renderwindow. But it does not effect. I.e, mouse coordinates are not returned. 
I think I should override on its interactor. But I don't know how to do this. How can I solve this problem?

Best Regards.
Sedat Doğan



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