bool GetFaceBaryCenter (int faceIndex, double & X, double & Y, double & Z) const;
// Return barycenter of a face
+ bool AllFacesSameOriented() const;
+ // Check that all the faces of a polyhedron have the same orientation
+ // no differentiation between inward and outward orientation is made.
+
double GetFaceArea( int faceIndex ) const;
// Return face area