Calculate average normal for poly mesh faces. Otherwise an arbitrary triangle is taken

git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@309 fdac6126-5c0c-442c-9429-916003d36597
2010-03-09 13:32:23 +00:00
parent c0ea2968e3
commit 13204f4afc
4 changed files with 53 additions and 9 deletions
--- a/src/OpenMesh/Core/Mesh/PolyMeshT.hh
+++ b/src/OpenMesh/Core/Mesh/PolyMeshT.hh
@@ -218,7 +218,7 @@ public:
  void update_face_normals();

  /** Calculate normal vector for face _fh. */
-  Normal calc_face_normal(FaceHandle _fh) const;
+  virtual Normal calc_face_normal(FaceHandle _fh) const;

  /** Calculate normal vector for face (_p0, _p1, _p2). */
  Normal calc_face_normal(const Point& _p0, const Point& _p1,