51 lines
1.6 KiB
C
51 lines
1.6 KiB
C
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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 FACET_COMPONENTS_H
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#define FACET_COMPONENTS_H
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#include "igl_inline.h"
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#include <Eigen/Core>
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#include <vector>
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namespace igl
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{
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// Compute connected components of facets based on edge-edge adjacency.
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//
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// For connected components on vertices see igl::vertex_components
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//
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// Inputs:
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// F #F by 3 list of triangle indices
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// Outputs:
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// C #F list of connected component ids
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template <typename DerivedF, typename DerivedC>
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IGL_INLINE void facet_components(
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const Eigen::PlainObjectBase<DerivedF> & F,
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Eigen::PlainObjectBase<DerivedC> & C);
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// Compute connected components of facets based on edge-edge adjacency.
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//
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// For connected components on vertices see igl::vertex_components
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//
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// Inputs:
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// TT #TT by 3 list of list of adjacency triangles (see
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// triangle_triangle_adjacency.h)
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// Outputs:
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// C #F list of connected component ids
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// counts #C list of number of facets in each components
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template <
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typename TTIndex,
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typename DerivedC,
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typename Derivedcounts>
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IGL_INLINE void facet_components(
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const std::vector<std::vector<std::vector<TTIndex > > > & TT,
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Eigen::PlainObjectBase<DerivedC> & C,
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Eigen::PlainObjectBase<Derivedcounts> & counts);
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "facet_components.cpp"
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#endif
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#endif
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