dust3d/third_party/libigl/include/igl/read_triangle_mesh.h

81 lines
2.4 KiB
C++

// 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_READ_TRIANGLE_MESH_H
#define IGL_READ_TRIANGLE_MESH_H
#include "igl_inline.h"
#ifndef IGL_NO_EIGEN
# include <Eigen/Core>
#endif
#include <string>
#include <cstdio>
#include <vector>
// History:
// renamed read -> read_triangle_mesh Daniele 24 June 2014
// return type changed from void to bool Alec 18 Sept 2011
namespace igl
{
// read mesh from an ascii file with automatic detection of file format.
// supported: obj, off, stl, wrl, ply, mesh)
//
// Templates:
// Scalar type for positions and vectors (will be read as double and cast
// to Scalar)
// Index type for indices (will be read as int and cast to Index)
// Inputs:
// str path to file
// Outputs:
// V eigen double matrix #V by 3
// F eigen int matrix #F by 3
// Returns true iff success
template <typename Scalar, typename Index>
IGL_INLINE bool read_triangle_mesh(
const std::string str,
std::vector<std::vector<Scalar> > & V,
std::vector<std::vector<Index> > & F);
#ifndef IGL_NO_EIGEN
template <typename DerivedV, typename DerivedF>
IGL_INLINE bool read_triangle_mesh(
const std::string str,
Eigen::PlainObjectBase<DerivedV>& V,
Eigen::PlainObjectBase<DerivedF>& F);
// Outputs:
// dir directory path (see pathinfo.h)
// base base name (see pathinfo.h)
// ext extension (see pathinfo.h)
// name filename (see pathinfo.h)
template <typename DerivedV, typename DerivedF>
IGL_INLINE bool read_triangle_mesh(
const std::string str,
Eigen::PlainObjectBase<DerivedV>& V,
Eigen::PlainObjectBase<DerivedF>& F,
std::string & dir,
std::string & base,
std::string & ext,
std::string & name);
// Inputs:
// ext file extension
// fp pointer to already opened .ext file
// Outputs:
// fp closed file
template <typename DerivedV, typename DerivedF>
IGL_INLINE bool read_triangle_mesh(
const std::string & ext,
FILE * fp,
Eigen::PlainObjectBase<DerivedV>& V,
Eigen::PlainObjectBase<DerivedF>& F);
#endif
}
#ifndef IGL_STATIC_LIBRARY
# include "read_triangle_mesh.cpp"
#endif
#endif