221 lines
7.8 KiB
C++
221 lines
7.8 KiB
C++
// 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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#include "tetrahedralize.h"
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#include "mesh_to_tetgenio.h"
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#include "tetgenio_to_tetmesh.h"
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// IGL includes
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#include "../../matrix_to_list.h"
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#include "../../list_to_matrix.h"
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#include "../../boundary_facets.h"
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// STL includes
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#include <cassert>
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#include <iostream>
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IGL_INLINE int igl::copyleft::tetgen::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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{
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using namespace std;
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tetgenio in,out;
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bool success;
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success = mesh_to_tetgenio(V,F,in);
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if(!success)
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{
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return -1;
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}
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try
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{
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char * cswitches = new char[switches.size() + 1];
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std::strcpy(cswitches,switches.c_str());
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::tetrahedralize(cswitches,&in, &out);
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delete[] cswitches;
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}catch(int e)
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{
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cerr<<"^"<<__FUNCTION__<<": TETGEN CRASHED... KABOOOM!!!"<<endl;
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return 1;
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}
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if(out.numberoftetrahedra == 0)
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{
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cerr<<"^"<<__FUNCTION__<<": Tetgen failed to create tets"<<endl;
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return 2;
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}
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success = tetgenio_to_tetmesh(out,TV,TT,TF);
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if(!success)
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{
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return -1;
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}
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//boundary_facets(TT,TF);
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return 0;
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}
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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 igl::copyleft::tetgen::tetrahedralize(
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const Eigen::PlainObjectBase<DerivedV>& V,
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const Eigen::PlainObjectBase<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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{
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using namespace std;
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vector<vector<REAL> > vV,vTV;
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vector<vector<int> > vF,vTT,vTF;
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matrix_to_list(V,vV);
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matrix_to_list(F,vF);
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int e = tetrahedralize(vV,vF,switches,vTV,vTT,vTF);
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if(e == 0)
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{
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bool TV_rect = list_to_matrix(vTV,TV);
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if(!TV_rect)
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{
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return 3;
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}
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bool TT_rect = list_to_matrix(vTT,TT);
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if(!TT_rect)
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{
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return 3;
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}
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bool TF_rect = list_to_matrix(vTF,TF);
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if(!TF_rect)
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{
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return 3;
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}
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}
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return e;
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}
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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 igl::copyleft::tetgen::tetrahedralize(
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const Eigen::PlainObjectBase<DerivedV>& V,
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const Eigen::PlainObjectBase<DerivedF>& F,
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const Eigen::PlainObjectBase<DerivedVM>& VM,
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const Eigen::PlainObjectBase<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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{
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using namespace std;
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vector<vector<REAL> > vV,vTV;
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vector<vector<int> > vF,vTT,vTF;
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vector<int> vTM;
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matrix_to_list(V,vV);
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matrix_to_list(F,vF);
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vector<int> vVM = matrix_to_list(VM);
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vector<int> vFM = matrix_to_list(FM);
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int e = tetrahedralize(vV,vF,vVM,vFM,switches,vTV,vTT,vTF,vTM);
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if(e == 0)
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{
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bool TV_rect = list_to_matrix(vTV,TV);
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if(!TV_rect)
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{
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return false;
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}
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bool TT_rect = list_to_matrix(vTT,TT);
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if(!TT_rect)
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{
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return false;
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}
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bool TF_rect = list_to_matrix(vTF,TF);
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if(!TF_rect)
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{
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return false;
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}
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bool TM_rect = list_to_matrix(vTM,TM);
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if(!TM_rect)
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{
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return false;
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}
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}
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return e;
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}
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IGL_INLINE int igl::copyleft::tetgen::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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{
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using namespace std;
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tetgenio in,out;
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bool success;
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success = mesh_to_tetgenio(V,F,in);
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if(!success)
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{
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return -1;
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}
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in.pointmarkerlist = new int[VM.size()];
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for (int i = 0; i < VM.size(); ++i) {
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in.pointmarkerlist[i] = VM[i];
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}
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// These have already been created in mesh_to_tetgenio.
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// Reset them here.
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for (int i = 0; i < FM.size(); ++i) {
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in.facetmarkerlist[i] = FM[i];
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}
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try
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{
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char * cswitches = new char[switches.size() + 1];
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std::strcpy(cswitches,switches.c_str());
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::tetrahedralize(cswitches,&in, &out);
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delete[] cswitches;
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}catch(int e)
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{
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cerr<<"^"<<__FUNCTION__<<": TETGEN CRASHED... KABOOOM!!!"<<endl;
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return 1;
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}
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if(out.numberoftetrahedra == 0)
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{
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cerr<<"^"<<__FUNCTION__<<": Tetgen failed to create tets"<<endl;
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return 2;
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}
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success = tetgenio_to_tetmesh(out,TV,TT,TF);
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if(!success)
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{
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return -1;
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}
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TM.resize(out.numberofpoints);
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for (int i = 0; i < out.numberofpoints; ++i) {
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TM[i] = out.pointmarkerlist[i];
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}
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//boundary_facets(TT,TF);
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return 0;
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}
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#ifdef IGL_STATIC_LIBRARY
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// Explicit template instantiation
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template int igl::copyleft::tetgen::tetrahedralize<Eigen::Matrix<double, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<double, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1> >(Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, std::basic_string<char, std::char_traits<char>, std::allocator<char> >, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> >&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> >&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> >&);
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template int igl::copyleft::tetgen::tetrahedralize<Eigen::Matrix<double, -1, -1, 0, -1, -1>,Eigen::Matrix<int, -1, -1, 0, -1, -1>,Eigen::Matrix<int, -1, 1, 0, -1, 1>,Eigen::Matrix<int, -1, 1, 0, -1, 1>,Eigen::Matrix<double, -1, -1, 0, -1, -1>,Eigen::Matrix<int, -1, -1, 0, -1, -1>,Eigen::Matrix<int, -1, -1, 0, -1, -1>,Eigen::Matrix<int, -1, 1, 0, -1, 1> >(const Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> > &,const Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > &,const Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 1, 0, -1, 1> > &,const Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 1, 0, -1, 1> > &,const std::basic_string<char, std::char_traits<char>, std::allocator<char> >,Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> > &,Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > &,Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > &, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 1, 0, -1, 1> > &);
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template int igl::copyleft::tetgen::tetrahedralize<Eigen::Matrix<double, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<double, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1> >(Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, std::basic_string<char, std::char_traits<char>, std::allocator<char> >, Eigen::PlainObjectBase<Eigen::Matrix<double, -1, -1, 0, -1, -1> >&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> >&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> >&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> >&);
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#endif
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