[vtkusers] How to find if a point lies within a planewidget's plane?

[rashedk]

Hi there, 

I am stuck with a very trivial problem. How do I find out if a point (a,b,c)
lies within a plane in 3D which is a constrained finite plane and not an
infinite one. I have the coordinates of the two corners of the plane as
returned by vktPlaneWidget's GetPoint1 and GetPoint2 functions. I also have
the plane's normal and center. 

thanks in advance, 

Rashed. 


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