52 lines
1.5 KiB
C++
52 lines
1.5 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_ON_BOUNDARY_H
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#define IGL_ON_BOUNDARY_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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// ON_BOUNDARY Determine boundary facets of mesh elements stored in T
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//
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// Templates:
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// IntegerT integer-value: i.e. int
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// IntegerF integer-value: i.e. int
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// Input:
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// T triangle|tetrahedron index list, m by 3|4, where m is the number of
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// elements
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// Output:
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// I m long list of bools whether tet is on boundary
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// C m by 3|4 list of bools whether opposite facet is on boundary
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//
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template <typename IntegerT>
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IGL_INLINE void on_boundary(
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const std::vector<std::vector<IntegerT> > & T,
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std::vector<bool> & I,
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std::vector<std::vector<bool> > & C);
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// Templates:
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// DerivedT integer-value: i.e. from MatrixXi
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// DerivedI bool-value: i.e. from MatrixXi
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// DerivedC bool-value: i.e. from MatrixXi
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template <typename DerivedT, typename DerivedI, typename DerivedC>
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IGL_INLINE void on_boundary(
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const Eigen::MatrixBase<DerivedT>& T,
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Eigen::PlainObjectBase<DerivedI>& I,
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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 "on_boundary.cpp"
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#endif
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#endif
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