67 lines
1.9 KiB
C++
67 lines
1.9 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2014 Stefan Brugger <stefanbrugger@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_BOUNDARY_LOOP_H
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#define IGL_BOUNDARY_LOOP_H
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#include "igl_inline.h"
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#include <Eigen/Dense>
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#include <vector>
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namespace igl
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{
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// Compute list of ordered boundary loops for a manifold mesh.
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//
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// Templates:
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// Index index type
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// Inputs:
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// F #V by dim list of mesh faces
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// Outputs:
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// L list of loops where L[i] = ordered list of boundary vertices in loop i
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//
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template <typename DerivedF, typename Index>
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IGL_INLINE void boundary_loop(
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const Eigen::MatrixBase<DerivedF>& F,
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std::vector<std::vector<Index> >& L);
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// Compute ordered boundary loops for a manifold mesh and return the
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// longest loop in terms of vertices.
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//
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// Templates:
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// Index index type
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// Inputs:
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// F #V by dim list of mesh faces
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// Outputs:
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// L ordered list of boundary vertices of longest boundary loop
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//
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template <typename DerivedF, typename Index>
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IGL_INLINE void boundary_loop(
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const Eigen::MatrixBase<DerivedF>& F,
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std::vector<Index>& L);
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// Compute ordered boundary loops for a manifold mesh and return the
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// longest loop in terms of vertices.
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//
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// Templates:
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// Index index type
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// Inputs:
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// F #V by dim list of mesh faces
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// Outputs:
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// L ordered list of boundary vertices of longest boundary loop
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//
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template <typename DerivedF, typename DerivedL>
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IGL_INLINE void boundary_loop(
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const Eigen::MatrixBase<DerivedF>& F,
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Eigen::PlainObjectBase<DerivedL>& L);
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "boundary_loop.cpp"
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#endif
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#endif
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