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