102 lines
3.4 KiB
C
102 lines
3.4 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_READOBJ_H
|
||
|
|
#define IGL_READOBJ_H
|
||
|
|
#include "igl_inline.h"
|
||
|
|
#include "deprecated.h"
|
||
|
|
// History:
|
||
|
|
// return type changed from void to bool Alec 18 Sept 2011
|
||
|
|
// added pure vector of vectors version that has much more support Alec 31 Oct
|
||
|
|
// 2011
|
||
|
|
|
||
|
|
#ifndef IGL_NO_EIGEN
|
||
|
|
# include <Eigen/Core>
|
||
|
|
#endif
|
||
|
|
#include <string>
|
||
|
|
#include <vector>
|
||
|
|
#include <cstdio>
|
||
|
|
|
||
|
|
namespace igl
|
||
|
|
{
|
||
|
|
// Read a mesh from an ascii obj file, filling in vertex positions, normals
|
||
|
|
// and texture coordinates. Mesh may have faces of any number of degree
|
||
|
|
//
|
||
|
|
// 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 .obj file
|
||
|
|
// Outputs:
|
||
|
|
// V double matrix of vertex positions #V by 3
|
||
|
|
// TC double matrix of texture coordinats #TC by 2
|
||
|
|
// N double matrix of corner normals #N by 3
|
||
|
|
// F #F list of face indices into vertex positions
|
||
|
|
// FTC #F list of face indices into vertex texture coordinates
|
||
|
|
// FN #F list of face indices into vertex normals
|
||
|
|
// Returns true on success, false on errors
|
||
|
|
template <typename Scalar, typename Index>
|
||
|
|
IGL_INLINE bool readOBJ(
|
||
|
|
const std::string obj_file_name,
|
||
|
|
std::vector<std::vector<Scalar > > & V,
|
||
|
|
std::vector<std::vector<Scalar > > & TC,
|
||
|
|
std::vector<std::vector<Scalar > > & N,
|
||
|
|
std::vector<std::vector<Index > > & F,
|
||
|
|
std::vector<std::vector<Index > > & FTC,
|
||
|
|
std::vector<std::vector<Index > > & FN);
|
||
|
|
// Inputs:
|
||
|
|
// obj_file pointer to already opened .obj file
|
||
|
|
// Outputs:
|
||
|
|
// obj_file closed file
|
||
|
|
template <typename Scalar, typename Index>
|
||
|
|
IGL_INLINE bool readOBJ(
|
||
|
|
FILE * obj_file,
|
||
|
|
std::vector<std::vector<Scalar > > & V,
|
||
|
|
std::vector<std::vector<Scalar > > & TC,
|
||
|
|
std::vector<std::vector<Scalar > > & N,
|
||
|
|
std::vector<std::vector<Index > > & F,
|
||
|
|
std::vector<std::vector<Index > > & FTC,
|
||
|
|
std::vector<std::vector<Index > > & FN);
|
||
|
|
// Just V and F
|
||
|
|
template <typename Scalar, typename Index>
|
||
|
|
IGL_INLINE bool readOBJ(
|
||
|
|
const std::string obj_file_name,
|
||
|
|
std::vector<std::vector<Scalar > > & V,
|
||
|
|
std::vector<std::vector<Index > > & F);
|
||
|
|
// Eigen Wrappers. These will return true only if the data is perfectly
|
||
|
|
// "rectangular": All faces are the same degree, all have the same number of
|
||
|
|
// textures/normals etc.
|
||
|
|
template <
|
||
|
|
typename DerivedV,
|
||
|
|
typename DerivedTC,
|
||
|
|
typename DerivedCN,
|
||
|
|
typename DerivedF,
|
||
|
|
typename DerivedFTC,
|
||
|
|
typename DerivedFN>
|
||
|
|
IGL_INLINE bool readOBJ(
|
||
|
|
const std::string str,
|
||
|
|
Eigen::PlainObjectBase<DerivedV>& V,
|
||
|
|
Eigen::PlainObjectBase<DerivedTC>& TC,
|
||
|
|
Eigen::PlainObjectBase<DerivedCN>& CN,
|
||
|
|
Eigen::PlainObjectBase<DerivedF>& F,
|
||
|
|
Eigen::PlainObjectBase<DerivedFTC>& FTC,
|
||
|
|
Eigen::PlainObjectBase<DerivedFN>& FN);
|
||
|
|
template <typename DerivedV, typename DerivedF>
|
||
|
|
IGL_INLINE bool readOBJ(
|
||
|
|
const std::string str,
|
||
|
|
Eigen::PlainObjectBase<DerivedV>& V,
|
||
|
|
Eigen::PlainObjectBase<DerivedF>& F);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifndef IGL_STATIC_LIBRARY
|
||
|
|
# include "readOBJ.cpp"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|