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TetrahedralGeometryKernel.hh
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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;
62 
65 
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_ */
const VecT & vertex(const VertexHandle &_vh) const
Get point _vh's coordinates.
virtual VertexHandle add_vertex()
Override of empty add_vertex function.