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86 lines
2.6 KiB
C++
86 lines
2.6 KiB
C++
// 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_READOFF_H
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#define IGL_READOFF_H
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#include "igl_inline.h"
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// History:
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// return type changed from void to bool Alec 18 Sept 2011
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#ifndef IGL_NO_EIGEN
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# include <Eigen/Core>
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#endif
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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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// Read a mesh from an ascii OFF file, filling in vertex positions, normals
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// and texture coordinates. Mesh may have faces of any number of degree
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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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// Inputs:
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// str path to .obj file
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// Outputs:
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// V double matrix of vertex positions #V by 3
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// F #F list of face indices into vertex positions
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// N list of vertex normals #V by 3
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// C list of rgb color values per vertex #V by 3
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// Returns true on success, false on errors
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template <typename Scalar, typename Index>
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IGL_INLINE bool readOFF(
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const std::string off_file_name,
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std::vector<std::vector<Scalar > > & V,
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std::vector<std::vector<Index > > & F,
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std::vector<std::vector<Scalar > > & N,
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std::vector<std::vector<Scalar > > & C);
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// Inputs:
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// off_file pointer to already opened .off file
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// Outputs:
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// off_file closed file
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template <typename Scalar, typename Index>
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IGL_INLINE bool readOFF(
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FILE * off_file,
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std::vector<std::vector<Scalar > > & V,
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std::vector<std::vector<Index > > & F,
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std::vector<std::vector<Scalar > > & N,
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std::vector<std::vector<Scalar > > & C);
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#ifndef IGL_NO_EIGEN
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// read mesh from a ascii off file
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// Inputs:
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// str path to .off file
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// Outputs:
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// V eigen double matrix #V by 3
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// F eigen int matrix #F by 3
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template <typename DerivedV, typename DerivedF>
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IGL_INLINE bool readOFF(
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const std::string str,
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Eigen::PlainObjectBase<DerivedV>& V,
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Eigen::PlainObjectBase<DerivedF>& F);
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template <typename DerivedV, typename DerivedF>
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IGL_INLINE bool readOFF(
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const std::string str,
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Eigen::PlainObjectBase<DerivedV>& V,
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Eigen::PlainObjectBase<DerivedF>& F,
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Eigen::PlainObjectBase<DerivedV>& N);
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#endif
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "readOFF.cpp"
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#endif
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#endif
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