TetrahedralGeometryKernel.hh

/*===========================================================================*\
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 *                            OpenVolumeMesh                                 *
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/*===========================================================================*\
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\*===========================================================================*/
 
#ifndef TETRAHEDRALGEOMETRYKERNEL_HH_
#define TETRAHEDRALGEOMETRYKERNEL_HH_
 
#include <cassert>
#include <iostream>
 
#include "../Geometry/VectorT.hh"
#include "../Core/GeometryKernel.hh"
#include "TetrahedralMeshTopologyKernel.hh"
 
namespace OpenVolumeMesh {
 
template <class VecT, class TopologyKernelT = TetrahedralMeshTopologyKernel>
class TetrahedralGeometryKernel : public GeometryKernel<VecT, TopologyKernelT> {
public:
 
    typedef VecT PointT;
    typedef TopologyKernelT KernelT;
    typedef GeometryKernel<VecT, TopologyKernelT> ParentT;

    TetrahedralGeometryKernel() {}

    ~TetrahedralGeometryKernel() {}
 
    VertexHandle split_edge(HalfEdgeHandle heh, double alpha = 0.5)
    {
        OpenVolumeMeshEdge e = TopologyKernelT::halfedge(heh);
        PointT newPos = alpha*ParentT::vertex(e.from_vertex()) + (1.0-alpha)*ParentT::vertex(e.to_vertex());
        VertexHandle splitVertex = ParentT::add_vertex(newPos);
        TopologyKernelT::split_edge(heh, splitVertex);
        return splitVertex;
    }
 
    VertexHandle split_edge(EdgeHandle eh)
    {
        return split_edge(TopologyKernelT::halfedge_handle(eh,0));
    }
 
    VertexHandle split_face(FaceHandle fh, PointT pos)
    {
        VertexHandle splitVertex = ParentT::add_vertex(pos);
        TopologyKernelT::split_face(fh, splitVertex);
        return splitVertex;
    }
 
    VertexHandle split_face(FaceHandle fh)
    {
        VertexHandle splitVertex = ParentT::add_vertex(ParentT::barycenter(fh));
        TopologyKernelT::split_face(fh, splitVertex);
        return splitVertex;
    }
 
protected:
 
};
 
} // Namespace OpenVolumeMesh
 
#endif /* TETRAHEDRALGEOMETRYKERNEL_HH_ */