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TetrahedralGeometryKernel.hh
1 /*===========================================================================*\
2 * *
3 * OpenVolumeMesh *
4 * Copyright (C) 2011 by Computer Graphics Group, RWTH Aachen *
5 * www.openvolumemesh.org *
6 * *
7 *---------------------------------------------------------------------------*
8 * This file is part of OpenVolumeMesh. *
9 * *
10 * OpenVolumeMesh is free software: you can redistribute it and/or modify *
11 * it under the terms of the GNU Lesser General Public License as *
12 * published by the Free Software Foundation, either version 3 of *
13 * the License, or (at your option) any later version with the *
14 * following exceptions: *
15 * *
16 * If other files instantiate templates or use macros *
17 * or inline functions from this file, or you compile this file and *
18 * link it with other files to produce an executable, this file does *
19 * not by itself cause the resulting executable to be covered by the *
20 * GNU Lesser General Public License. This exception does not however *
21 * invalidate any other reasons why the executable file might be *
22 * covered by the GNU Lesser General Public License. *
23 * *
24 * OpenVolumeMesh is distributed in the hope that it will be useful, *
25 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
27 * GNU Lesser General Public License for more details. *
28 * *
29 * You should have received a copy of the GNU LesserGeneral Public *
30 * License along with OpenVolumeMesh. If not, *
31 * see <http://www.gnu.org/licenses/>. *
32 * *
33 \*===========================================================================*/
34
35 /*===========================================================================*\
36 * *
37 * $Revision$ *
38 * $Date$ *
39 * $LastChangedBy$ *
40 * *
41 \*===========================================================================*/
42
43 #ifndef TETRAHEDRALGEOMETRYKERNEL_HH_
44 #define TETRAHEDRALGEOMETRYKERNEL_HH_
45
46 #include <cassert>
47 #include <iostream>
48
49 #include "../Geometry/VectorT.hh"
50 #include "../Core/GeometryKernel.hh"
51 #include "TetrahedralMeshTopologyKernel.hh"
52
53 namespace OpenVolumeMesh {
54
55 template <class VecT, class TopologyKernelT = TetrahedralMeshTopologyKernel>
56 class TetrahedralGeometryKernel : public GeometryKernel<VecT, TopologyKernelT> {
57 public:
58
59 typedef VecT PointT;
60 typedef TopologyKernelT KernelT;
61 typedef GeometryKernel<VecT, TopologyKernelT> ParentT;
62
64 TetrahedralGeometryKernel() {}
65
67 ~TetrahedralGeometryKernel() {}
68
69 VertexHandle split_edge(HalfEdgeHandle heh, double alpha = 0.5)
70 {
71 OpenVolumeMeshEdge e = TopologyKernelT::halfedge(heh);
72 PointT newPos = alpha*ParentT::vertex(e.from_vertex()) + (1.0-alpha)*ParentT::vertex(e.to_vertex());
73 VertexHandle splitVertex = ParentT::add_vertex(newPos);
74 TopologyKernelT::split_edge(heh, splitVertex);
75 return splitVertex;
76 }
77
78 VertexHandle split_edge(EdgeHandle eh)
79 {
80 return split_edge(TopologyKernelT::halfedge_handle(eh,0));
81 }
82
83 VertexHandle split_face(FaceHandle fh, PointT pos)
84 {
85 VertexHandle splitVertex = ParentT::add_vertex(pos);
86 TopologyKernelT::split_face(fh, splitVertex);
87 return splitVertex;
88 }
89
90 VertexHandle split_face(FaceHandle fh)
91 {
92 VertexHandle splitVertex = ParentT::add_vertex(ParentT::barycenter(fh));
93 TopologyKernelT::split_face(fh, splitVertex);
94 return splitVertex;
95 }
96
97 protected:
98
99 };
100
101 } // Namespace OpenVolumeMesh
102
103 #endif /* TETRAHEDRALGEOMETRYKERNEL_HH_ */
OpenVolumeMesh::TetrahedralGeometryKernel::~TetrahedralGeometryKernel
~TetrahedralGeometryKernel()
Destructor.
Definition: TetrahedralGeometryKernel.hh:67
OpenVolumeMesh::OpenVolumeMeshEdge
Definition: BaseEntities.hh:52
OpenVolumeMesh::TetrahedralGeometryKernel::TetrahedralGeometryKernel
TetrahedralGeometryKernel()
Constructor.
Definition: TetrahedralGeometryKernel.hh:64
OpenVolumeMesh::GeometryKernel::vertex
const VecT & vertex(const VertexHandle &_vh) const
Get point _vh's coordinates.
Definition: GeometryKernel.hh:89
OpenVolumeMesh::GeometryKernel::add_vertex
virtual VertexHandle add_vertex()
Override of empty add_vertex function.
Definition: GeometryKernel.hh:68
OpenVolumeMesh::HalfEdgeHandle
Definition: OpenVolumeMeshHandle.hh:102
OpenVolumeMesh::VertexHandle
Definition: OpenVolumeMeshHandle.hh:98
OpenVolumeMesh::GeometryKernel
Definition: GeometryKernel.hh:55
OpenVolumeMesh
Definition: ColorAttrib.hh:53
OpenVolumeMesh::TetrahedralGeometryKernel
Definition: TetrahedralGeometryKernel.hh:56