48 lines
2.2 KiB
C++
48 lines
2.2 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2014 Daniele Panozzo <daniele.panozzo@gmail.com>, Olga Diamanti <olga.diam@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_COMB_FRAME_FIELD_H
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#define IGL_COMB_FRAME_FIELD_H
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#include "igl_inline.h"
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#include <Eigen/Core>
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namespace igl
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{
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// Computes principal matchings of the vectors of a frame field across face edges,
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// and generates a combed frame field defined on the mesh faces. This makes use of a
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// combed cross field generated by combing the field created by the bisectors of the
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// frame field.
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// Inputs:
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// V #V by 3 eigen Matrix of mesh vertex 3D positions
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// F #F by 4 eigen Matrix of face (quad) indices
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// PD1 #F by 3 eigen Matrix of the first per face cross field vector
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// PD2 #F by 3 eigen Matrix of the second per face cross field vector
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// BIS1_combed #F by 3 eigen Matrix of the first combed bisector field vector
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// BIS2_combed #F by 3 eigen Matrix of the second combed bisector field vector
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// Output:
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// PD1_combed #F by 3 eigen Matrix of the first combed cross field vector
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// PD2_combed #F by 3 eigen Matrix of the second combed cross field vector
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//
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template <typename DerivedV, typename DerivedF, typename DerivedP>
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IGL_INLINE void comb_frame_field(const Eigen::PlainObjectBase<DerivedV> &V,
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const Eigen::PlainObjectBase<DerivedF> &F,
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const Eigen::PlainObjectBase<DerivedP> &PD1,
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const Eigen::PlainObjectBase<DerivedP> &PD2,
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const Eigen::PlainObjectBase<DerivedP> &BIS1_combed,
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const Eigen::PlainObjectBase<DerivedP> &BIS2_combed,
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Eigen::PlainObjectBase<DerivedP> &PD1_combed,
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Eigen::PlainObjectBase<DerivedP> &PD2_combed);
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}
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#ifndef IGL_STATIC_LIBRARY
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#include "comb_frame_field.cpp"
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#endif
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#endif
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