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203 lines
7.7 KiB
203 lines
7.7 KiB
1 year ago
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// 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_TETRAHEDRALIZE_H
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#define IGL_COPYLEFT_TETGEN_TETRAHEDRALIZE_H
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#include "../../igl_inline.h"
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#include <vector>
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#include <string>
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#include <Eigen/Core>
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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 REAL
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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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// Mesh the interior of a surface mesh (V,F) using tetgen
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//
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// Inputs:
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// V #V by 3 vertex position list
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// F #F list of polygon face indices into V (0-indexed)
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// switches string of tetgen options (See tetgen documentation) e.g.
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// "pq1.414a0.01" tries to mesh the interior of a given surface with
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// quality and area constraints
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// "" will mesh the convex hull constrained to pass through V (ignores F)
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// Outputs:
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// TV #V by 3 vertex position list
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// TT #T by 4 list of tet face indices
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// TF #F by 3 list of triangle face indices
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// Returns status:
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// 0 success
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// 1 tetgen threw exception
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// 2 tetgen did not crash but could not create any tets (probably there are
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// holes, duplicate faces etc.)
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// -1 other error
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IGL_INLINE int tetrahedralize(
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const std::vector<std::vector<REAL > > & V,
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const std::vector<std::vector<int> > & F,
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const std::string switches,
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std::vector<std::vector<REAL > > & TV,
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std::vector<std::vector<int > > & TT,
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std::vector<std::vector<int> > & TF);
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// Wrapper with Eigen types
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// Templates:
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// DerivedV real-value: i.e. from MatrixXd
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// DerivedF integer-value: i.e. from MatrixXi
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template <
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typename DerivedV,
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typename DerivedF,
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typename DerivedTV,
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typename DerivedTT,
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typename DerivedTF>
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IGL_INLINE int tetrahedralize(
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const Eigen::MatrixBase<DerivedV>& V,
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const Eigen::MatrixBase<DerivedF>& F,
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const std::string switches,
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Eigen::PlainObjectBase<DerivedTV>& TV,
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Eigen::PlainObjectBase<DerivedTT>& TT,
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Eigen::PlainObjectBase<DerivedTF>& TF);
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// Mesh the interior of a surface mesh (V,F) using tetgen
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//
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// Inputs:
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// V #V by 3 vertex position list
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// F #F list of polygon face indices into V (0-indexed)
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// M #V list of markers for vertices
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// switches string of tetgen options (See tetgen documentation) e.g.
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// "pq1.414a0.01" tries to mesh the interior of a given surface with
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// quality and area constraints
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// "" will mesh the convex hull constrained to pass through V (ignores F)
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// Outputs:
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// TV #V by 3 vertex position list
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// TT #T by 4 list of tet face indices
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// TF #F by 3 list of triangle face indices
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// TM #V list of markers for vertices
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// Returns status:
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// 0 success
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// 1 tetgen threw exception
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// 2 tetgen did not crash but could not create any tets (probably there are
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// holes, duplicate faces etc.)
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// -1 other error
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IGL_INLINE int tetrahedralize(
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const std::vector<std::vector<REAL > > & V,
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const std::vector<std::vector<int> > & F,
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const std::vector<int> & VM,
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const std::vector<int> & FM,
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const std::string switches,
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std::vector<std::vector<REAL > > & TV,
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std::vector<std::vector<int > > & TT,
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std::vector<std::vector<int> > & TF,
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std::vector<int> & TM);
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// Wrapper with Eigen types
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// Templates:
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// DerivedV real-value: i.e. from MatrixXd
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// DerivedF integer-value: i.e. from MatrixXi
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template <
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typename DerivedV,
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typename DerivedF,
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typename DerivedVM,
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typename DerivedFM,
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typename DerivedTV,
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typename DerivedTT,
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typename DerivedTF,
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typename DerivedTM>
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IGL_INLINE int tetrahedralize(
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const Eigen::MatrixBase<DerivedV>& V,
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const Eigen::MatrixBase<DerivedF>& F,
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const Eigen::MatrixBase<DerivedVM>& VM,
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const Eigen::MatrixBase<DerivedFM>& FM,
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const std::string switches,
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Eigen::PlainObjectBase<DerivedTV>& TV,
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Eigen::PlainObjectBase<DerivedTT>& TT,
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Eigen::PlainObjectBase<DerivedTF>& TF,
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Eigen::PlainObjectBase<DerivedTM>& TM);
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// Mesh the interior of a surface mesh (V,F) using tetgen
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//
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// Inputs:
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// V #V by 3 vertex position list
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// F #F list of polygon face indices into V (0-indexed)
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// H #H by 3 list of seed points inside holes
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// R #R by 5 list of region attributes
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// switches string of tetgen options (See tetgen documentation) e.g.
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// "pq1.414a0.01" tries to mesh the interior of a given surface with
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// quality and area constraints
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// "" will mesh the convex hull constrained to pass through V (ignores F)
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// Outputs:
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// TV #TV by 3 vertex position list
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// TT #TT by 4 list of tet face indices
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// TF #TF by 3 list of triangle face indices
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// TR #TT list of region ID for each tetrahedron
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// TN #TT by 4 list of indices neighbors for each tetrahedron
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// PT #TV list of incident tetrahedron for a vertex
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// FT #TF by 2 list of tetrahedrons sharing a triface
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// numRegions Number of regions in output mesh
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// Returns status:
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// 0 success
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// 1 tetgen threw exception
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// 2 tetgen did not crash but could not create any tets (probably there are
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// holes, duplicate faces etc.)
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// -1 other error
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IGL_INLINE int tetrahedralize(
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const std::vector<std::vector<REAL> > &V,
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const std::vector<std::vector<int> > &F,
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const std::vector<std::vector<REAL> > &H,
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const std::vector<std::vector<REAL> > &R,
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const std::string switches,
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std::vector<std::vector<REAL > > & TV,
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std::vector<std::vector<int > > & TT,
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std::vector<std::vector<int > > & TF,
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std::vector<std::vector<REAL > > &TR,
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std::vector<std::vector<int > > &TN,
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std::vector<std::vector<int > > &PT,
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std::vector<std::vector<int > > &FT,
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size_t & numRegions);
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// Wrapper with Eigen types
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// Templates:
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// DerivedV real-value: i.e. from MatrixXd
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// DerivedF integer-value: i.e. from MatrixXi
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template <
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typename DerivedV,
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typename DerivedF,
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typename DerivedH,
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typename DerivedR,
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typename DerivedTV,
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typename DerivedTT,
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typename DerivedTF,
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typename DerivedTR>
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IGL_INLINE int tetrahedralize(
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const Eigen::MatrixBase<DerivedV>& V,
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const Eigen::MatrixBase<DerivedF>& F,
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const Eigen::MatrixBase<DerivedH>& H,
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const Eigen::MatrixBase<DerivedR>& R,
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const std::string switches,
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Eigen::PlainObjectBase<DerivedTV>& TV,
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Eigen::PlainObjectBase<DerivedTT>& TT,
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Eigen::PlainObjectBase<DerivedTF>& TF,
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Eigen::PlainObjectBase<DerivedTR>& TR,
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Eigen::PlainObjectBase<DerivedTT>& TN,
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Eigen::PlainObjectBase<DerivedTT>& PT,
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Eigen::PlainObjectBase<DerivedTT>& FT,
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size_t & numRegions);
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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 "tetrahedralize.cpp"
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#endif
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#endif
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