38 lines
1.4 KiB
C++
38 lines
1.4 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2016 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_SIMPLIFY_POLYHEDRON_H
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#define IGL_SIMPLIFY_POLYHEDRON_H
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#include "igl_inline.h"
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#include <Eigen/Core>
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namespace igl
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{
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// Simplify a polyhedron represented as a triangle mesh (OV,OF) by collapsing
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// any edge that doesn't contribute to defining surface's pointset. This
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// _would_ also make sense for open and non-manifold meshes, but the current
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// implementation only works with closed manifold surfaces with well defined
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// triangle normals.
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//
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// Inputs:
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// OV #OV by 3 list of input mesh vertex positions
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// OF #OF by 3 list of input mesh triangle indices into OV
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// Outputs:
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// V #V by 3 list of output mesh vertex positions
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// F #F by 3 list of input mesh triangle indices into V
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// J #F list of indices into OF of birth parents
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IGL_INLINE void simplify_polyhedron(
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const Eigen::MatrixXd & OV,
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const Eigen::MatrixXi & OF,
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Eigen::MatrixXd & V,
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Eigen::MatrixXi & F,
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Eigen::VectorXi & J);
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "simplify_polyhedron.cpp"
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#endif
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#endif
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