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57 lines
1.8 KiB
57 lines
1.8 KiB
// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2022 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_SPLIT_NONMANIFOLD_H
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#define IGL_SPLIT_NONMANIFOLD_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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// SPLIT_NONMANIFOLD Split a non-manifold (or non-orientable) mesh into a
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// orientable manifold mesh possibly with more connected components and
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// geometrically duplicate vertices.
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//
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// Inputs:
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// F #F by 3 list of mesh triangle indices into rows of some V
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// Outputs:
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// SF #F by 3 list of mesh triangle indices into rows of a new vertex list
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// SV = V(SVI,:)
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// SVI #SV list of indices into V identifying vertex positions
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template <
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typename DerivedF,
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typename DerivedSF,
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typename DerivedSVI
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>
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IGL_INLINE void split_nonmanifold(
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const Eigen::MatrixBase<DerivedF> & F,
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Eigen::PlainObjectBase <DerivedSF> & SF,
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Eigen::PlainObjectBase <DerivedSVI> & SVI);
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// Inputs:
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// V #V by dim explicit list of vertex positions
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// Outputs:
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// SV #SV by dim explicit list of vertex positions
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template <
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typename DerivedV,
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typename DerivedF,
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typename DerivedSV,
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typename DerivedSF,
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typename DerivedSVI
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>
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IGL_INLINE void split_nonmanifold(
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const Eigen::MatrixBase<DerivedV> & V,
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const Eigen::MatrixBase<DerivedF> & F,
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Eigen::PlainObjectBase <DerivedSV> & SV,
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Eigen::PlainObjectBase <DerivedSF> & SF,
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Eigen::PlainObjectBase <DerivedSVI> & SVI);
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "split_nonmanifold.cpp"
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#endif
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#endif
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