[vtkusers] How to select a point from a volume rending

Yixun Liu yxliu at fudan.edu.cn
Thu Jun 8 23:14:27 EDT 2006


Hi,

How to select a point from a volume rending? I select a point from the screen and then get a ray from this point and the camera. However, how to decide which point is what I need from all the points traced by the ray?

Regards,

Yixun Liu
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