88 lines
3.1 KiB
C
88 lines
3.1 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 Daniele Panozzo <daniele.panozzo@gmail.com>
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// Copyright (C) 2017 Alec Jacobson
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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_TRIANGLE_TRIANGULATE_H
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#define IGL_TRIANGLE_TRIANGULATE_H
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#include "../igl_inline.h"
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#include <string>
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#include <Eigen/Core>
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namespace igl
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{
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namespace triangle
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{
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// Triangulate the interior of a polygon using the triangle library.
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//
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// Inputs:
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// V #V by 2 list of 2D vertex positions
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// E #E by 2 list of vertex ids forming unoriented edges of the boundary of the polygon
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// H #H by 2 coordinates of points contained inside holes of the polygon
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// flags string of options pass to triangle (see triangle documentation)
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// Outputs:
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// V2 #V2 by 2 coordinates of the vertives of the generated triangulation
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// F2 #F2 by 3 list of indices forming the faces of the generated triangulation
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//
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template <
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typename DerivedV,
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typename DerivedE,
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typename DerivedH,
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typename DerivedV2,
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typename DerivedF2>
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IGL_INLINE void triangulate(
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const Eigen::MatrixBase<DerivedV> & V,
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const Eigen::MatrixBase<DerivedE> & E,
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const Eigen::MatrixBase<DerivedH> & H,
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const std::string flags,
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Eigen::PlainObjectBase<DerivedV2> & V2,
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Eigen::PlainObjectBase<DerivedF2> & F2);
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// Triangulate the interior of a polygon using the triangle library.
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//
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// Inputs:
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// V #V by 2 list of 2D vertex positions
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// E #E by 2 list of vertex ids forming unoriented edges of the boundary of the polygon
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// H #H by 2 coordinates of points contained inside holes of the polygon
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// M #V list of markers for input vertices
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// flags string of options pass to triangle (see triangle documentation)
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// Outputs:
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// V2 #V2 by 2 coordinates of the vertives of the generated triangulation
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// F2 #F2 by 3 list of indices forming the faces of the generated triangulation
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// M2 #V2 list of markers for output vertices
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//
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// TODO: expose the option to prevent Steiner points on the boundary
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//
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template <
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typename DerivedV,
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typename DerivedE,
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typename DerivedH,
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typename DerivedVM,
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typename DerivedEM,
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typename DerivedV2,
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typename DerivedF2,
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typename DerivedVM2,
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typename DerivedEM2>
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IGL_INLINE void triangulate(
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const Eigen::MatrixBase<DerivedV> & V,
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const Eigen::MatrixBase<DerivedE> & E,
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const Eigen::MatrixBase<DerivedH> & H,
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const Eigen::MatrixBase<DerivedVM> & VM,
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const Eigen::MatrixBase<DerivedEM> & EM,
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const std::string flags,
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Eigen::PlainObjectBase<DerivedV2> & V2,
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Eigen::PlainObjectBase<DerivedF2> & F2,
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Eigen::PlainObjectBase<DerivedVM2> & VM2,
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Eigen::PlainObjectBase<DerivedEM2> & EM2);
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}
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "triangulate.cpp"
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#endif
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#endif
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