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// This file is part of libigl, a simple c++ geometry processing library.
//
// Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com>
//
// This Source Code Form is subject to the terms of the Mozilla Public License
// v. 2.0. If a copy of the MPL was not distributed with this file, You can
// obtain one at http://mozilla.org/MPL/2.0/.
#ifndef IGL_COPYLEFT_TETGEN_TETRAHEDRALIZE_H
#define IGL_COPYLEFT_TETGEN_TETRAHEDRALIZE_H
#include "../../igl_inline.h"
#include <vector>
#include <string>
#include <Eigen/Core>
#ifndef TETLIBRARY
#define TETLIBRARY
#endif
#include <tetgen.h> // Defined REAL
namespace igl
{
namespace copyleft
{
namespace tetgen
{
// Mesh the interior of a surface mesh (V,F) using tetgen
//
// Inputs:
// V #V by 3 vertex position list
// F #F list of polygon face indices into V (0-indexed)
// switches string of tetgen options (See tetgen documentation) e.g.
// "pq1.414a0.01" tries to mesh the interior of a given surface with
// quality and area constraints
// "" will mesh the convex hull constrained to pass through V (ignores F)
// Outputs:
// TV #V by 3 vertex position list
// TT #T by 4 list of tet face indices
// TF #F by 3 list of triangle face indices
// Returns status:
// 0 success
// 1 tetgen threw exception
// 2 tetgen did not crash but could not create any tets (probably there are
// holes, duplicate faces etc.)
// -1 other error
IGL_INLINE int tetrahedralize(
const std::vector<std::vector<REAL > > & V,
const std::vector<std::vector<int> > & F,
const std::string switches,
std::vector<std::vector<REAL > > & TV,
std::vector<std::vector<int > > & TT,
std::vector<std::vector<int> > & TF);
// Wrapper with Eigen types
// Templates:
// DerivedV real-value: i.e. from MatrixXd
// DerivedF integer-value: i.e. from MatrixXi
template <
typename DerivedV,
typename DerivedF,
typename DerivedTV,
typename DerivedTT,
typename DerivedTF>
IGL_INLINE int tetrahedralize(
const Eigen::MatrixBase<DerivedV>& V,
const Eigen::MatrixBase<DerivedF>& F,
const std::string switches,
Eigen::PlainObjectBase<DerivedTV>& TV,
Eigen::PlainObjectBase<DerivedTT>& TT,
Eigen::PlainObjectBase<DerivedTF>& TF);
// Mesh the interior of a surface mesh (V,F) using tetgen
//
// Inputs:
// V #V by 3 vertex position list
// F #F list of polygon face indices into V (0-indexed)
// M #V list of markers for vertices
// switches string of tetgen options (See tetgen documentation) e.g.
// "pq1.414a0.01" tries to mesh the interior of a given surface with
// quality and area constraints
// "" will mesh the convex hull constrained to pass through V (ignores F)
// Outputs:
// TV #V by 3 vertex position list
// TT #T by 4 list of tet face indices
// TF #F by 3 list of triangle face indices
// TM #V list of markers for vertices
// Returns status:
// 0 success
// 1 tetgen threw exception
// 2 tetgen did not crash but could not create any tets (probably there are
// holes, duplicate faces etc.)
// -1 other error
IGL_INLINE int tetrahedralize(
const std::vector<std::vector<REAL > > & V,
const std::vector<std::vector<int> > & F,
const std::vector<int> & VM,
const std::vector<int> & FM,
const std::string switches,
std::vector<std::vector<REAL > > & TV,
std::vector<std::vector<int > > & TT,
std::vector<std::vector<int> > & TF,
std::vector<int> & TM);
// Wrapper with Eigen types
// Templates:
// DerivedV real-value: i.e. from MatrixXd
// DerivedF integer-value: i.e. from MatrixXi
template <
typename DerivedV,
typename DerivedF,
typename DerivedVM,
typename DerivedFM,
typename DerivedTV,
typename DerivedTT,
typename DerivedTF,
typename DerivedTM>
IGL_INLINE int tetrahedralize(
const Eigen::MatrixBase<DerivedV>& V,
const Eigen::MatrixBase<DerivedF>& F,
const Eigen::MatrixBase<DerivedVM>& VM,
const Eigen::MatrixBase<DerivedFM>& FM,
const std::string switches,
Eigen::PlainObjectBase<DerivedTV>& TV,
Eigen::PlainObjectBase<DerivedTT>& TT,
Eigen::PlainObjectBase<DerivedTF>& TF,
Eigen::PlainObjectBase<DerivedTM>& TM);
// Mesh the interior of a surface mesh (V,F) using tetgen
//
// Inputs:
// V #V by 3 vertex position list
// F #F list of polygon face indices into V (0-indexed)
// H #H by 3 list of seed points inside holes
// R #R by 5 list of region attributes
// switches string of tetgen options (See tetgen documentation) e.g.
// "pq1.414a0.01" tries to mesh the interior of a given surface with
// quality and area constraints
// "" will mesh the convex hull constrained to pass through V (ignores F)
// Outputs:
// TV #TV by 3 vertex position list
// TT #TT by 4 list of tet face indices
// TF #TF by 3 list of triangle face indices
// TR #TT list of region ID for each tetrahedron
// TN #TT by 4 list of indices neighbors for each tetrahedron
// PT #TV list of incident tetrahedron for a vertex
// FT #TF by 2 list of tetrahedrons sharing a triface
// numRegions Number of regions in output mesh
// Returns status:
// 0 success
// 1 tetgen threw exception
// 2 tetgen did not crash but could not create any tets (probably there are
// holes, duplicate faces etc.)
// -1 other error
IGL_INLINE int tetrahedralize(
const std::vector<std::vector<REAL> > &V,
const std::vector<std::vector<int> > &F,
const std::vector<std::vector<REAL> > &H,
const std::vector<std::vector<REAL> > &R,
const std::string switches,
std::vector<std::vector<REAL > > & TV,
std::vector<std::vector<int > > & TT,
std::vector<std::vector<int > > & TF,
std::vector<std::vector<REAL > > &TR,
std::vector<std::vector<int > > &TN,
std::vector<std::vector<int > > &PT,
std::vector<std::vector<int > > &FT,
size_t & numRegions);
// Wrapper with Eigen types
// Templates:
// DerivedV real-value: i.e. from MatrixXd
// DerivedF integer-value: i.e. from MatrixXi
template <
typename DerivedV,
typename DerivedF,
typename DerivedH,
typename DerivedR,
typename DerivedTV,
typename DerivedTT,
typename DerivedTF,
typename DerivedTR>
IGL_INLINE int tetrahedralize(
const Eigen::MatrixBase<DerivedV>& V,
const Eigen::MatrixBase<DerivedF>& F,
const Eigen::MatrixBase<DerivedH>& H,
const Eigen::MatrixBase<DerivedR>& R,
const std::string switches,
Eigen::PlainObjectBase<DerivedTV>& TV,
Eigen::PlainObjectBase<DerivedTT>& TT,
Eigen::PlainObjectBase<DerivedTF>& TF,
Eigen::PlainObjectBase<DerivedTR>& TR,
Eigen::PlainObjectBase<DerivedTT>& TN,
Eigen::PlainObjectBase<DerivedTT>& PT,
Eigen::PlainObjectBase<DerivedTT>& FT,
size_t & numRegions);
}
}
}
#ifndef IGL_STATIC_LIBRARY
# include "tetrahedralize.cpp"
#endif
#endif