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50 lines
1.4 KiB
50 lines
1.4 KiB
1 year ago
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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) 2019 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_QUAD_GRID_H
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#define IGL_QUAD_GRID_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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// Generate a quad mesh over a regular grid.
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//
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// @param[in] nx number of vertices in the x direction
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// @param[in] ny number of vertices in the y direction
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// @param[out] V nx*ny by 2 list of vertex positions
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// @param[out] Q (nx-1)*(ny-1) by 4 list of quad indices into V
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// @param[out] E (nx-1)*ny+(ny-1)*nx by 2 list of undirected quad edge indices into V
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//
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// \see grid, triangulated_grid
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template<
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typename DerivedV,
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typename DerivedQ,
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typename DerivedE>
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IGL_INLINE void quad_grid(
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const int nx,
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const int ny,
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Eigen::PlainObjectBase<DerivedV> & V,
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Eigen::PlainObjectBase<DerivedQ> & Q,
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Eigen::PlainObjectBase<DerivedE> & E);
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/// \overload
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template<
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typename DerivedQ,
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typename DerivedE>
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IGL_INLINE void quad_grid(
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const int nx,
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const int ny,
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Eigen::PlainObjectBase<DerivedQ> & Q,
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Eigen::PlainObjectBase<DerivedE> & E);
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "quad_grid.cpp"
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#endif
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#endif
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