40 lines
1.3 KiB
C++
40 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_PARTITION_H
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#define IGL_PARTITION_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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// PARTITION partition vertices into groups based on each
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// vertex's vector: vertices with similar coordinates (close in
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// space) will be put in the same group.
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//
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// Inputs:
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// W #W by dim coordinate matrix
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// k desired number of groups default is dim
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// Output:
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// G #W list of group indices (1 to k) for each vertex, such that vertex i
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// is assigned to group G(i)
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// S k list of seed vertices
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// D #W list of squared distances for each vertex to it's corresponding
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// closest seed
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IGL_INLINE void partition(
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const Eigen::MatrixXd & W,
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const int k,
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Eigen::Matrix<int,Eigen::Dynamic,1> & G,
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Eigen::Matrix<int,Eigen::Dynamic,1> & S,
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Eigen::Matrix<double,Eigen::Dynamic,1> & D);
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}
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#ifndef IGL_STATIC_LIBRARY
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#include "partition.cpp"
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#endif
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#endif
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