41 lines
1.3 KiB
C++
41 lines
1.3 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 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_COLLAPSE_SMALL_TRIANGLES_H
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#define IGL_COLLAPSE_SMALL_TRIANGLES_H
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#include <Eigen/Dense>
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namespace igl
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{
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// Given a triangle mesh (V,F) compute a new mesh (VV,FF) which contains the
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// original faces and vertices of (V,F) except any small triangles have been
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// removed via collapse.
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//
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// We are *not* following the rules in "Mesh Optimization" [Hoppe et al]
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// Section 4.2. But for our purposes we don't care about this criteria.
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//
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// Inputs:
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// V #V by 3 list of vertex positions
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// F #F by 3 list of triangle indices into V
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// eps epsilon for smallest allowed area treated as fraction of squared bounding box
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// diagonal
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// Outputs:
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// FF #FF by 3 list of triangle indices into V
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//
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//
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void collapse_small_triangles(
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const Eigen::MatrixXd & V,
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const Eigen::MatrixXi & F,
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const double eps,
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Eigen::MatrixXi & FF);
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "collapse_small_triangles.cpp"
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#endif
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#endif
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