34 lines
1.0 KiB
C++
34 lines
1.0 KiB
C++
// 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_EXTERIOR_EDGES_H
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#define IGL_EXTERIOR_EDGES_H
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#include "igl_inline.h"
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#include <Eigen/Dense>
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namespace igl
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{
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// EXTERIOR_EDGES Determines boundary "edges" and also edges with an
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// odd number of occurrences where seeing edge (i,j) counts as +1 and seeing
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// the opposite edge (j,i) counts as -1
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//
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// Inputs:
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// F #F by simplex_size list of "faces"
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// Outputs:
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// E #E by simplex_size-1 list of exterior edges
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//
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IGL_INLINE void exterior_edges(
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const Eigen::MatrixXi & F,
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Eigen::MatrixXi & E);
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// Inline version
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IGL_INLINE Eigen::MatrixXi exterior_edges( const Eigen::MatrixXi & F);
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "exterior_edges.cpp"
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#endif
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#endif
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