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TriMeshT.cc
1 /* ========================================================================= *
2 * *
3 * OpenMesh *
4 * Copyright (c) 2001-2015, RWTH-Aachen University *
5 * Department of Computer Graphics and Multimedia *
6 * All rights reserved. *
7 * www.openmesh.org *
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9 *---------------------------------------------------------------------------*
10 * This file is part of OpenMesh. *
11 *---------------------------------------------------------------------------*
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40 * ========================================================================= */
41
42 /*===========================================================================*\
43 * *
44 * $Revision$ *
45 * $Date$ *
46 * *
47 \*===========================================================================*/
48
49
50 //=============================================================================
51 //
52 // CLASS TriMeshT - IMPLEMENTATION
53 //
54 //=============================================================================
55
56
57 #define OPENMESH_TRIMESH_C
58
59
60 //== INCLUDES =================================================================
61
62
63 #include <OpenMesh/Core/Mesh/TriMeshT.hh>
64 #include <OpenMesh/Core/System/omstream.hh>
65 #include <vector>
66
67
68 //== NAMESPACES ==============================================================
69
70
71 namespace OpenMesh {
72
73
74 //== IMPLEMENTATION ==========================================================
75
76 template <class Kernel>
77 typename TriMeshT<Kernel>::Normal
78 TriMeshT<Kernel>::
79 calc_face_normal(FaceHandle _fh) const
80 {
81 assert(this->halfedge_handle(_fh).is_valid());
82 ConstFaceVertexIter fv_it(this->cfv_iter(_fh));
83
84 const Point& p0(this->point(*fv_it)); ++fv_it;
85 const Point& p1(this->point(*fv_it)); ++fv_it;
86 const Point& p2(this->point(*fv_it));
87
88 return PolyMesh::calc_face_normal(p0, p1, p2);
89 }
90
91 //=============================================================================
92 } // namespace OpenMesh
93 //=============================================================================
OpenMesh::PolyMeshT::ConstFaceVertexIter
Kernel::ConstFaceVertexIter ConstFaceVertexIter
Circulator.
Definition: PolyMeshT.hh:180
OpenMesh
Definition: MeshItems.hh:64
OpenMesh::PolyMeshT::Point
Kernel::Point Point
Coordinate type.
Definition: PolyMeshT.hh:115
omstream.hh
OpenMesh::Attributes::Normal
Add normals to mesh item (vertices/faces)
Definition: Attributes.hh:87
OpenMesh::TriMeshT::calc_face_normal
Normal calc_face_normal(FaceHandle _fh) const
Definition: TriMeshT.cc:79