111 lines
3.9 KiB
C++
111 lines
3.9 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2016 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_COPYLEFT_CGAL_MINKOWSKI_SUM_H
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#define IGL_COPYLEFT_CGAL_MINKOWSKI_SUM_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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namespace copyleft
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{
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namespace cgal
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{
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// Compute the Minkowski sum of a closed triangle mesh (V,F) and a
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// set of simplices in 3D.
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//
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// Inputs:
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// VA #VA by 3 list of mesh vertices in 3D
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// FA #FA by 3 list of triangle indices into VA
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// VB #VB by 3 list of mesh vertices in 3D
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// FB #FB by ss list of simplex indices into VB, ss<=3
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// resolve_overlaps whether or not to resolve self-union. If false
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// then result may contain self-intersections if input mesh is
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// non-convex.
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// Outputs:
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// W #W by 3 list of mesh vertices in 3D
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// G #G by 3 list of triangle indices into W
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// J #G by 2 list of indices into
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//
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template <
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typename DerivedVA,
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typename DerivedFA,
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typename DerivedVB,
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typename DerivedFB,
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typename DerivedW,
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typename DerivedG,
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typename DerivedJ>
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IGL_INLINE void minkowski_sum(
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const Eigen::MatrixBase<DerivedVA> & VA,
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const Eigen::MatrixBase<DerivedFA> & FA,
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const Eigen::MatrixBase<DerivedVB> & VB,
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const Eigen::MatrixBase<DerivedFB> & FB,
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const bool resolve_overlaps,
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Eigen::PlainObjectBase<DerivedW> & W,
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Eigen::PlainObjectBase<DerivedG> & G,
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Eigen::PlainObjectBase<DerivedJ> & J);
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// Compute the Minkowski sum of a closed triangle mesh (V,F) and a
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// segment [s,d] in 3D.
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//
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// Inputs:
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// VA #VA by 3 list of mesh vertices in 3D
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// FA #FA by 3 list of triangle indices into VA
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// s segment source endpoint in 3D
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// d segment source endpoint in 3D
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// resolve_overlaps whether or not to resolve self-union. If false
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// then result may contain self-intersections if input mesh is
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// non-convex.
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// Outputs:
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// W #W by 3 list of mesh vertices in 3D
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// G #G by 3 list of triangle indices into W
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// J #G list of indices into [F;#V+F;[s d]] of birth parents
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//
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template <
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typename DerivedVA,
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typename DerivedFA,
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typename sType, int sCols, int sOptions,
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typename dType, int dCols, int dOptions,
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typename DerivedW,
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typename DerivedG,
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typename DerivedJ>
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IGL_INLINE void minkowski_sum(
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const Eigen::MatrixBase<DerivedVA> & VA,
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const Eigen::MatrixBase<DerivedFA> & FA,
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const Eigen::Matrix<sType,1,sCols,sOptions> & s,
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const Eigen::Matrix<dType,1,dCols,dOptions> & d,
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const bool resolve_overlaps,
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Eigen::PlainObjectBase<DerivedW> & W,
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Eigen::PlainObjectBase<DerivedG> & G,
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Eigen::PlainObjectBase<DerivedJ> & J);
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template <
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typename DerivedVA,
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typename DerivedFA,
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typename sType, int sCols, int sOptions,
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typename dType, int dCols, int dOptions,
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typename DerivedW,
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typename DerivedG,
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typename DerivedJ>
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IGL_INLINE void minkowski_sum(
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const Eigen::MatrixBase<DerivedVA> & VA,
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const Eigen::MatrixBase<DerivedFA> & FA,
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const Eigen::Matrix<sType,1,sCols,sOptions> & s,
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const Eigen::Matrix<dType,1,dCols,dOptions> & d,
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Eigen::PlainObjectBase<DerivedW> & W,
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Eigen::PlainObjectBase<DerivedG> & G,
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Eigen::PlainObjectBase<DerivedJ> & J);
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}
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}
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "minkowski_sum.cpp"
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#endif
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#endif
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