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68 lines
2.3 KiB
68 lines
2.3 KiB
// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com>
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//
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// This Source Code Form is subject to the terms of the Mozilla Public License
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// v. 2.0. If a copy of the MPL was not distributed with this file, You can
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// obtain one at http://mozilla.org/MPL/2.0/.
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#ifndef IGL_COPYLEFT_TETGEN_TETGENIO_TO_TETMESH_H
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#define IGL_COPYLEFT_TETGEN_TETGENIO_TO_TETMESH_H
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#include "../../igl_inline.h"
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#ifndef TETLIBRARY
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#define TETLIBRARY
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#endif
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#include "tetgen.h" // Defined tetgenio, REAL
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#include <vector>
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#include <unordered_map>
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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 tetgen
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{
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/// Convert a tetgenio to a tetmesh
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///
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/// @param[in] out output of tetrahedralization
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/// @param[out] V #V by 3 list of mesh vertex positions
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/// @param[out] T #T by 4 list of mesh tet indices into V
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/// @param[out] F #F by 3 list of mesh triangle indices into V
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/// @param[out] TM #T by 1 list of material indices into R
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/// @param[out] R #TT list of region ID for each tetrahedron
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/// @param[out] N #TT by 4 list of indices neighbors for each tetrahedron ('n')
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/// @param[out] PT #TV list of incident tetrahedron for a vertex ('m')
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/// @param[out] FT #TF by 2 list of tetrahedrons sharing a triface ('nn')
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/// @param[out] num_regions Number of regions in output mesh
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///
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/// \bug Assumes that out.numberoftetrahedronattributes == 1 or 0
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template <
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typename DerivedV,
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typename DerivedT,
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typename DerivedF,
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typename DerivedTM,
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typename DerivedR,
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typename DerivedN,
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typename DerivedPT,
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typename DerivedFT>
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IGL_INLINE bool tetgenio_to_tetmesh(
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const tetgenio & out,
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Eigen::PlainObjectBase<DerivedV>& V,
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Eigen::PlainObjectBase<DerivedT>& T,
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Eigen::PlainObjectBase<DerivedF>& F,
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Eigen::PlainObjectBase<DerivedTM>& TM,
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Eigen::PlainObjectBase<DerivedR>& R,
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Eigen::PlainObjectBase<DerivedN>& N,
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Eigen::PlainObjectBase<DerivedPT>& PT,
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Eigen::PlainObjectBase<DerivedFT>& FT,
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int & num_regions);
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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 "tetgenio_to_tetmesh.cpp"
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#endif
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#endif
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