79 lines
2.4 KiB
C
79 lines
2.4 KiB
C
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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_READMESH_H
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#define IGL_READMESH_H
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#include "igl_inline.h"
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#include <Eigen/Core>
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#include <string>
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#include <vector>
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#include <cstdio>
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namespace igl
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{
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// load a tetrahedral volume mesh from a .mesh file
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//
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// Templates:
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// Scalar type for positions and vectors (will be read as double and cast
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// to Scalar)
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// Index type for indices (will be read as int and cast to Index)
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// Input:
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// mesh_file_name path of .mesh file
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// Outputs:
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// V double matrix of vertex positions #V by 3
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// T #T list of tet indices into vertex positions
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// F #F list of face indices into vertex positions
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//
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// Known bugs: Holes and regions are not supported
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template <typename Scalar, typename Index>
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IGL_INLINE bool readMESH(
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const std::string mesh_file_name,
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std::vector<std::vector<Scalar > > & V,
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std::vector<std::vector<Index > > & T,
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std::vector<std::vector<Index > > & F);
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// Inputs:
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// mesh_file pointer to already opened .mesh file
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// Outputs:
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// mesh_file closed file
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template <typename Scalar, typename Index>
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IGL_INLINE bool readMESH(
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FILE * mesh_file,
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std::vector<std::vector<Scalar > > & V,
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std::vector<std::vector<Index > > & T,
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std::vector<std::vector<Index > > & F);
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// Input:
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// mesh_file_name path of .mesh file
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// Outputs:
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// V eigen double matrix #V by 3
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// T eigen int matrix #T by 4
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// F eigen int matrix #F by 3
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template <typename DerivedV, typename DerivedF, typename DerivedT>
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IGL_INLINE bool readMESH(
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const std::string mesh_file_name,
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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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// Inputs:
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// mesh_file pointer to already opened .mesh file
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// Outputs:
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// mesh_file closed file
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template <typename DerivedV, typename DerivedF, typename DerivedT>
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IGL_INLINE bool readMESH(
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FILE * mesh_file,
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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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}
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#ifndef IGL_STATIC_LIBRARY
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# include "readMESH.cpp"
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#endif
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#endif
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