libigl_Martin/include/igl/copyleft/cgal/wire_mesh.h

#ifndef IGL_COPYLEFT_CGAL_WIRE_MESH_H
#define IGL_COPYLEFT_CGAL_WIRE_MESH_H
#include "../../igl_inline.h"
#include <Eigen/Core>
namespace igl
{
  namespace copyleft
  {
    // Construct a "wire" or "wireframe" or "strut" surface mesh, given a
    // one-dimensional network of straight edges.
    //
    // Inputs:
    //   WV  #WV by 3 list of vertex positions
    //   WE  #WE by 2 list of edge indices into WV
    //   th  diameter thickness of wire 
    //   poly_size  number of sides on each wire (e.g., 4 would produce wires by
    //     connecting rectangular prisms).
    // Outputs:
    //   V  #V by 3 list of output vertices
    //   F  #F by 3 list of output triangle indices into V
    //   J  #F list of indices into [0,#WV+#WE) revealing "birth simplex" of
    //     output faces J(j) < #WV means the face corresponds to the J(j)th
    //     vertex in WV. J(j) >= #WV means the face corresponds to the
    //     (J(j)-#WV)th edge in WE.
    namespace cgal
    {
      template <
        typename DerivedWV,
        typename DerivedWE,
        typename DerivedV,
        typename DerivedF,
        typename DerivedJ>
      IGL_INLINE void wire_mesh(
        const Eigen::MatrixBase<DerivedWV> & WV,
        const Eigen::MatrixBase<DerivedWE> & WE,
        const double th,
        const int poly_size,
        Eigen::PlainObjectBase<DerivedV> & V,
        Eigen::PlainObjectBase<DerivedF> & F,
        Eigen::PlainObjectBase<DerivedJ> & J);
    }
  }
}

#ifndef IGL_STATIC_LIBRARY
#  include "wire_mesh.cpp"
#endif
#endif