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78 lines
2.8 KiB
78 lines
2.8 KiB
1 year ago
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// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2015 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_INTERSECT_OTHER_H
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#define IGL_COPYLEFT_CGAL_INTERSECT_OTHER_H
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#include "../../igl_inline.h"
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#include "RemeshSelfIntersectionsParam.h"
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#include <Eigen/Dense>
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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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/// Given a triangle mesh (VA,FA) and another mesh (VB,FB) find all pairs
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/// of intersecting faces. Note that self-intersections are ignored.
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///
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/// @param[in] VA #V by 3 list of vertex positions
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/// @param[in] FA #F by 3 list of triangle indices into VA
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/// @param[in] VB #V by 3 list of vertex positions
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/// @param[in] FB #F by 3 list of triangle indices into VB
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/// @param[in] params whether to detect only and then whether to only
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/// find first intersection
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/// @param[out] IF #intersecting face pairs by 2 list of intersecting
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/// face pairs, indexing FA and FB
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/// @param[out] VVAB #VVAB by 3 list of vertex positions
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/// @param[out] FFAB #FFAB by 3 list of triangle indices into VVA
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/// @param[out] JAB #FFAB list of indices into [FA;FB] denoting birth triangle
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/// @param[out] IMAB #VVAB list of indices stitching duplicates
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/// (resulting from mesh intersections) together
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/// @return true on success
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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 DerivedIF,
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typename DerivedVVAB,
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typename DerivedFFAB,
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typename DerivedJAB,
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typename DerivedIMAB>
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IGL_INLINE bool intersect_other(
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const Eigen::PlainObjectBase<DerivedVA> & VA,
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const Eigen::PlainObjectBase<DerivedFA> & FA,
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const Eigen::PlainObjectBase<DerivedVB> & VB,
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const Eigen::PlainObjectBase<DerivedFB> & FB,
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const RemeshSelfIntersectionsParam & params,
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Eigen::PlainObjectBase<DerivedIF> & IF,
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Eigen::PlainObjectBase<DerivedVVAB> & VVAB,
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Eigen::PlainObjectBase<DerivedFFAB> & FFAB,
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Eigen::PlainObjectBase<DerivedJAB> & JAB,
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Eigen::PlainObjectBase<DerivedIMAB> & IMAB);
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/// \overload
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/// @param[in] first_only whether to only find first intersection
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IGL_INLINE bool intersect_other(
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const Eigen::MatrixXd & VA,
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const Eigen::MatrixXi & FA,
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const Eigen::MatrixXd & VB,
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const Eigen::MatrixXi & FB,
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const bool first_only,
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Eigen::MatrixXi & IF);
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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 "intersect_other.cpp"
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#endif
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#endif
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