68 lines
2.2 KiB
C
68 lines
2.2 KiB
C
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#ifndef IGL_COPYLEFT_CGAL_WIRE_MESH_H
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#define IGL_COPYLEFT_CGAL_WIRE_MESH_H
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#include "../../igl_inline.h"
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#include <Eigen/Core>
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namespace igl
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{
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namespace copyleft
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{
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namespace cgal
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{
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// Construct a "wire" or "wireframe" or "strut" surface mesh, given a
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// one-dimensional network of straight edges.
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//
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// Inputs:
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// WV #WV by 3 list of vertex positions
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// WE #WE by 2 list of edge indices into WV
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// th diameter thickness of wire
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// poly_size number of sides on each wire (e.g., 4 would produce wires by
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// connecting rectangular prisms).
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// solid whether to resolve self-intersections to
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// create a "solid" output mesh (cf., [Zhou et al. 2016]
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// Outputs:
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// V #V by 3 list of output vertices
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// F #F by 3 list of output triangle indices into V
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// J #F list of indices into [0,#WV+#WE) revealing "birth simplex" of
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// output faces J(j) < #WV means the face corresponds to the J(j)th
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// vertex in WV. J(j) >= #WV means the face corresponds to the
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// (J(j)-#WV)th edge in WE.
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template <
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typename DerivedWV,
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typename DerivedWE,
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typename DerivedV,
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typename DerivedF,
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typename DerivedJ>
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IGL_INLINE void wire_mesh(
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const Eigen::MatrixBase<DerivedWV> & WV,
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const Eigen::MatrixBase<DerivedWE> & WE,
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const double th,
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const int poly_size,
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const bool solid,
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Eigen::PlainObjectBase<DerivedV> & V,
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Eigen::PlainObjectBase<DerivedF> & F,
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Eigen::PlainObjectBase<DerivedJ> & J);
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// Default with solid=true
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template <
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typename DerivedWV,
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typename DerivedWE,
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typename DerivedV,
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typename DerivedF,
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typename DerivedJ>
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IGL_INLINE void wire_mesh(
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const Eigen::MatrixBase<DerivedWV> & WV,
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const Eigen::MatrixBase<DerivedWE> & WE,
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const double th,
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const int poly_size,
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Eigen::PlainObjectBase<DerivedV> & V,
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Eigen::PlainObjectBase<DerivedF> & F,
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Eigen::PlainObjectBase<DerivedJ> & J);
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}
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}
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "wire_mesh.cpp"
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#endif
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#endif
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