[vtkusers] how to convert from viewport x, y mouse coordinates to data points in my polydata dataset?

[David E DeMarle]

Use vtkWorldPointPicker.

Given the X, Y it asks the RenderWindow what the Z is. Given all three
it then asks the Renderer to convert that to the world coordinate.


On Tue, Mar 3, 2009 at 11:37 AM, Justin Giles <jtgiles at gmail.com> wrote:
> Anyone have any insight on how to convert x,y mouse coordinates to find the
> point being hovered over or picked in a polydata dataset?
>
> Thanks,
>
> Justin
>
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-- 
David E DeMarle
Kitware, Inc.
R&D Engineer
28 Corporate Drive
Clifton Park, NY 12065-8662
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