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

[Goodwin Lawlor]

Hi Rashed,

Have a look at:

vtkPolygon::PointInPolygon(
   double  x[3],
   int  numPts,
   double *  pts,
   double  bounds[6],
   double  n[3]
)

hth

Goodwin

rashedk wrote:
> 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. 
> 
>