[vtkusers] polygon fill / PointInPolygon

[chensiqi]

Hi, VTKers
 
I wonder if there is any Polygon fill algorithm implemented in VTKPolygon class? 
 
If not, maybe Loop through all the points using PointInPolygon is the only way I can think of.
 
Is that " n " in the parameter list of PointInpolygon the normal direction? How to estimate it?
int vtkPolygon::PointInPolygon (double x[3], int numPts, double *pts, double bounds[6], double *n) 
 
Thanks for your help.
 
Siqi
 

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