39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
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// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2014 Stefan Brugger <stefanbrugger@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_MAP_VERTICES_TO_CIRCLE_H
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#define IGL_MAP_VERTICES_TO_CIRCLE_H
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#include "igl_inline.h"
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#include "PI.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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// Map the vertices whose indices are in a given boundary loop (bnd) on the
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// unit circle with spacing proportional to the original boundary edge
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// lengths.
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//
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// Inputs:
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// V #V by dim list of mesh vertex positions
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// b #W list of vertex ids
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// Outputs:
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// UV #W by 2 list of 2D position on the unit circle for the vertices in b
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IGL_INLINE void map_vertices_to_circle(
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const Eigen::MatrixXd& V,
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const Eigen::VectorXi& bnd,
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Eigen::MatrixXd& UV);
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "map_vertices_to_circle.cpp"
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#endif
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#endif
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