45 lines
1.4 KiB
C++
45 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) 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_UNIFORMLY_SAMPLE_TWO_MANIFOLD_H
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#define IGL_UNIFORMLY_SAMPLE_TWO_MANIFOLD_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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// UNIFORMLY_SAMPLE_TWO_MANIFOLD Attempt to sample a mesh uniformly by
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// furthest point relaxation as described in "Fast Automatic Skinning
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// Transformations"
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//
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// [Jacobson et al. 12] Section 3.3.
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//
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// Inputs:
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// W #W by dim positions of mesh in weight space
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// F #F by 3 indices of triangles
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// k number of samplse
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// push factor by which corners should be pushed away
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// Outputs
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// WS k by dim locations in weights space
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//
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IGL_INLINE void uniformly_sample_two_manifold(
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const Eigen::MatrixXd & W,
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const Eigen::MatrixXi & F,
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const int k,
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const double push,
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Eigen::MatrixXd & WS);
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// Find uniform sampling up to placing samples on mesh vertices
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IGL_INLINE void uniformly_sample_two_manifold_at_vertices(
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const Eigen::MatrixXd & OW,
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const int k,
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const double push,
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Eigen::VectorXi & S);
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "uniformly_sample_two_manifold.cpp"
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#endif
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#endif
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