You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
83 lines
3.8 KiB
83 lines
3.8 KiB
// high level interface for MshLoader.h/.cpp
|
|
|
|
// Copyright (C) 2020 Vladimir Fonov <vladimir.fonov@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 distribute
|
|
// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
#ifndef IGL_READ_MSH_H
|
|
#define IGL_READ_MSH_H
|
|
#include "igl_inline.h"
|
|
|
|
#include <Eigen/Core>
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
|
|
namespace igl
|
|
{
|
|
/// read triangle surface mesh and tetrahedral volume mesh from .msh file
|
|
///
|
|
/// @tparam EigenMatrixOptions matrix options of output matrices (e.g.,
|
|
/// Eigen::ColMajor, Eigen::RowMajor)
|
|
/// @param[in] msh - file name
|
|
/// @param[out] X eigen double matrix of vertex positions #X by 3
|
|
/// @param[out] Tri #Tri eigen integer matrix of triangular faces indices into vertex positions
|
|
/// @param[out] Tet #Tet eigen integer matrix of tetrahedral indices into vertex positions
|
|
/// @param[out] TriTag #Tri eigen integer vector of tags associated with surface faces
|
|
/// @param[out] TetTag #Tet eigen integer vector of tags associated with volume elements
|
|
/// @param[out] XFields #XFields list of strings with field names associated with nodes
|
|
/// @param[out] XF #XFields list of eigen double matrices, fields associated with nodes
|
|
/// @param[out] EFields #EFields list of strings with field names associated with elements
|
|
/// @param[out] TriF #EFields list of eigen double matrices, fields associated with surface elements
|
|
/// @param[out] TetF #EFields list of eigen double matrices, fields associated with volume elements
|
|
/// @return true on success
|
|
/// \bug only version 2.2 of .msh file is supported (gmsh 3.X)
|
|
/// \bug only triangle surface elements and tetrahedral volumetric elements are supported
|
|
/// \bug only 3D information is supported
|
|
/// \bug only the 1st tag per element is returned (physical)
|
|
/// \bug same element fields are expected to be associated with surface elements and volumetric elements
|
|
template <int EigenMatrixOptions>
|
|
IGL_INLINE bool readMSH(
|
|
const std::string &msh,
|
|
Eigen::Matrix<double,Eigen::Dynamic,Eigen::Dynamic,EigenMatrixOptions> &X,
|
|
Eigen::Matrix<int,Eigen::Dynamic,Eigen::Dynamic,EigenMatrixOptions> &Tri,
|
|
Eigen::Matrix<int,Eigen::Dynamic,Eigen::Dynamic,EigenMatrixOptions> &Tet,
|
|
Eigen::VectorXi &TriTag,
|
|
Eigen::VectorXi &TetTag,
|
|
std::vector<std::string> &XFields,
|
|
std::vector<Eigen::Matrix<double,Eigen::Dynamic,Eigen::Dynamic,EigenMatrixOptions>> &XF,
|
|
std::vector<std::string> &EFields,
|
|
std::vector<Eigen::Matrix<double,Eigen::Dynamic,Eigen::Dynamic,EigenMatrixOptions>> &TriF,
|
|
std::vector<Eigen::Matrix<double,Eigen::Dynamic,Eigen::Dynamic,EigenMatrixOptions>> &TetF);
|
|
/// \overload
|
|
template <int EigenMatrixOptions>
|
|
IGL_INLINE bool readMSH(
|
|
const std::string &msh,
|
|
Eigen::Matrix<double,Eigen::Dynamic,Eigen::Dynamic,EigenMatrixOptions> &X,
|
|
Eigen::Matrix<int,Eigen::Dynamic,Eigen::Dynamic,EigenMatrixOptions> &Tri,
|
|
Eigen::Matrix<int,Eigen::Dynamic,Eigen::Dynamic,EigenMatrixOptions> &Tet,
|
|
Eigen::VectorXi &TriTag,
|
|
Eigen::VectorXi &TetTag);
|
|
/// \overload
|
|
template <int EigenMatrixOptions>
|
|
IGL_INLINE bool readMSH(
|
|
const std::string &msh,
|
|
Eigen::Matrix<double,Eigen::Dynamic,Eigen::Dynamic,EigenMatrixOptions> &X,
|
|
Eigen::Matrix<int,Eigen::Dynamic,Eigen::Dynamic,EigenMatrixOptions> &Tri,
|
|
Eigen::VectorXi &TriTag);
|
|
/// \overload
|
|
template <int EigenMatrixOptions>
|
|
IGL_INLINE bool readMSH(
|
|
const std::string &msh,
|
|
Eigen::Matrix<double,Eigen::Dynamic,Eigen::Dynamic,EigenMatrixOptions> &X,
|
|
Eigen::Matrix<int,Eigen::Dynamic,Eigen::Dynamic,EigenMatrixOptions> &Tri);
|
|
|
|
}
|
|
|
|
|
|
#ifndef IGL_STATIC_LIBRARY
|
|
# include "readMSH.cpp"
|
|
#endif
|
|
|
|
#endif
|
|
|