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193 lines
7.8 KiB
193 lines
7.8 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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// Qingnan Zhou <qnzhou@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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//
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#ifndef IGL_COPYLEFT_CGAL_MESH_BOOLEAN_H
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#define IGL_COPYLEFT_CGAL_MESH_BOOLEAN_H
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#include "../../igl_inline.h"
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#include "../../MeshBooleanType.h"
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#include <Eigen/Core>
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#include <functional>
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#include <vector>
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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 Boolean csg operations on "solid", consistently oriented
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/// meshes.
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///
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/// @param[in] VA #VA by 3 list of vertex positions of first mesh
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/// @param[in] FA #FA by 3 list of triangle indices into VA
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/// @param[in] VB #VB by 3 list of vertex positions of second mesh
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/// @param[in] FB #FB by 3 list of triangle indices into VB
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/// @param[in] type type of boolean operation
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/// @param[out] VC #VC by 3 list of vertex positions of boolean result mesh
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/// @param[out] FC #FC by 3 list of triangle indices into VC
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/// @param[out] J #FC list of indices into [FA;FA.rows()+FB] revealing "birth" facet
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/// @return true if inputs induce a piecewise constant winding number
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/// field and type is valid
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///
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/// \see mesh_boolean_cork, intersect_other, remesh_self_intersections
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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 DerivedVC,
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typename DerivedFC,
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typename DerivedJ>
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IGL_INLINE bool mesh_boolean(
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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 MeshBooleanType & type,
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Eigen::PlainObjectBase<DerivedVC > & VC,
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Eigen::PlainObjectBase<DerivedFC > & FC,
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Eigen::PlainObjectBase<DerivedJ > & J);
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/// \overload
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/// @param[in] type_str string describing type of boolean operation see mesh_boolean_type_to_funcs
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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 DerivedVC,
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typename DerivedFC,
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typename DerivedJ>
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IGL_INLINE bool mesh_boolean(
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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 std::string & type_str,
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Eigen::PlainObjectBase<DerivedVC > & VC,
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Eigen::PlainObjectBase<DerivedFC > & FC,
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Eigen::PlainObjectBase<DerivedJ > & J);
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/// \overload
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///
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/// @param[in] wind_num_op function handle for filtering winding numbers from
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/// tuples of integer values to [0,1] outside/inside values
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/// @param[in] keep function handle for determining if a patch should be "kept"
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/// in the output based on the winding number on either side
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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 DerivedVC,
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typename DerivedFC,
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typename DerivedJ>
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IGL_INLINE bool mesh_boolean(
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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 std::function<int(const Eigen::Matrix<int,1,Eigen::Dynamic>) >& wind_num_op,
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const std::function<int(const int, const int)> & keep,
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Eigen::PlainObjectBase<DerivedVC > & VC,
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Eigen::PlainObjectBase<DerivedFC > & FC,
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Eigen::PlainObjectBase<DerivedJ > & J);
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/// Variadic mesh Boolean operations
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///
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/// @param[in] Vlist k-long list of lists of mesh vertex positions
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/// @param[in] Flist k-long list of lists of mesh face indices, so that Flist[i] indexes
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/// vertices in Vlist[i]
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/// @param[in] wind_num_op function handle for filtering winding numbers from
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/// n-tuples of integer values to [0,1] outside/inside values
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/// @param[in] keep function handle for determining if a patch should be "kept"
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/// in the output based on the winding number on either side
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/// @param[out] VC #VC by 3 list of vertex positions of boolean result mesh
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/// @param[out] FC #FC by 3 list of triangle indices into VC
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/// @param[out] J #FC list of indices into [Flist[0];Flist[1];...;Flist[k]]
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/// revealing "birth" facet
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/// @return true iff inputs induce a piecewise constant winding number
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/// field
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template <
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typename DerivedV,
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typename DerivedF,
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typename DerivedVC,
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typename DerivedFC,
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typename DerivedJ>
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IGL_INLINE bool mesh_boolean(
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const std::vector<DerivedV > & Vlist,
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const std::vector<DerivedF > & Flist,
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const std::function<int(const Eigen::Matrix<int,1,Eigen::Dynamic>) >& wind_num_op,
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const std::function<int(const int, const int)> & keep,
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Eigen::PlainObjectBase<DerivedVC > & VC,
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Eigen::PlainObjectBase<DerivedFC > & FC,
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Eigen::PlainObjectBase<DerivedJ > & J);
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/// \overload
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template <
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typename DerivedV,
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typename DerivedF,
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typename DerivedVC,
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typename DerivedFC,
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typename DerivedJ>
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IGL_INLINE bool mesh_boolean(
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const std::vector<DerivedV > & Vlist,
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const std::vector<DerivedF > & Flist,
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const MeshBooleanType & type,
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Eigen::PlainObjectBase<DerivedVC > & VC,
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Eigen::PlainObjectBase<DerivedFC > & FC,
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Eigen::PlainObjectBase<DerivedJ > & J);
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/// \overload
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/// \brief Given a merged mesh (V,F) and list of sizes of inputs
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///
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/// @param[in] V #V by 3 list of merged mesh vertex positions
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/// @param[in] F #F by 3 list of merged mesh face indices so that first sizes(0)
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/// faces come from the first input, and the next sizes(1) faces come
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/// from the second input, and so on.
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/// @param[in] sizes #inputs list of sizes so that sizes(i) is the #faces in the
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/// ith input
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template <
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typename DerivedVV,
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typename DerivedFF,
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typename Derivedsizes,
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typename DerivedVC,
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typename DerivedFC,
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typename DerivedJ>
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IGL_INLINE bool mesh_boolean(
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const Eigen::MatrixBase<DerivedVV > & VV,
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const Eigen::MatrixBase<DerivedFF > & FF,
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const Eigen::MatrixBase<Derivedsizes> & sizes,
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const std::function<int(const Eigen::Matrix<int,1,Eigen::Dynamic>) >& wind_num_op,
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const std::function<int(const int, const int)> & keep,
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Eigen::PlainObjectBase<DerivedVC > & VC,
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Eigen::PlainObjectBase<DerivedFC > & FC,
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Eigen::PlainObjectBase<DerivedJ > & J);
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/// \overload
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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 DerivedVC,
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typename DerivedFC>
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IGL_INLINE bool mesh_boolean(
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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 MeshBooleanType & type,
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Eigen::PlainObjectBase<DerivedVC > & VC,
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Eigen::PlainObjectBase<DerivedFC > & FC);
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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 "mesh_boolean.cpp"
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#endif
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#endif
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