42 lines
1.4 KiB
C++
42 lines
1.4 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2013 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_ORIENTABLE_PATCHES_H
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#define IGL_ORIENTABLE_PATCHES_H
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#include <igl/igl_inline.h>
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#include <Eigen/Core>
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#include <Eigen/Sparse>
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namespace igl
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{
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// Compute connected components of facets connected by manifold edges.
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//
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// Known bugs: This will detect a moebius strip as a single patch (manifold,
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// non-orientable) and also non-manfiold, yet orientable patches.
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//
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// Q: Does this find exactly (manifold || orientable) patches?
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//
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// Inputs:
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// F #F by simplex-size list of facets
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// Outputs:
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// C #F list of component ids
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// A #F by #F adjacency matrix
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//
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template <typename DerivedF, typename DerivedC, typename AScalar>
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IGL_INLINE void orientable_patches(
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const Eigen::PlainObjectBase<DerivedF> & F,
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Eigen::PlainObjectBase<DerivedC> & C,
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Eigen::SparseMatrix<AScalar> & A);
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template <typename DerivedF, typename DerivedC>
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IGL_INLINE void orientable_patches(
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const Eigen::PlainObjectBase<DerivedF> & F,
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Eigen::PlainObjectBase<DerivedC> & C);
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};
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#ifndef IGL_STATIC_LIBRARY
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# include "orientable_patches.cpp"
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#endif
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#endif
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