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50 lines
1.6 KiB
50 lines
1.6 KiB
// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2016 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_VOXEL_GRID_H
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#define IGL_VOXEL_GRID_H
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#include "igl_inline.h"
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#include <Eigen/Core>
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#include <Eigen/Geometry>
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namespace igl
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{
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// Construct the cell center positions of a regular voxel grid (lattice) made
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// of perfectly square voxels.
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//
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// Inputs:
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// box bounding box to enclose by grid
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// s number of cell centers on largest side (including 2*pad_count)
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// pad_count number of cells beyond box
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// Outputs:
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// GV side(0)*side(1)*side(2) by 3 list of cell center positions
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// side 1 by 3 list of dimension of voxel grid
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template <
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typename Scalar,
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typename DerivedGV,
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typename Derivedside>
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IGL_INLINE void voxel_grid(
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const Eigen::AlignedBox<Scalar,3> & box,
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const int s,
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const int pad_count,
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Eigen::PlainObjectBase<DerivedGV> & GV,
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Eigen::PlainObjectBase<Derivedside> & side);
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template <
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typename DerivedV,
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typename DerivedGV,
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typename Derivedside>
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IGL_INLINE void voxel_grid(
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const Eigen::MatrixBase<DerivedV> & V,
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const typename DerivedV::Scalar offset,
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const int s,
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const int pad_count,
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Eigen::PlainObjectBase<DerivedGV> & GV,
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Eigen::PlainObjectBase<Derivedside> & side);
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "voxel_grid.cpp"
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#endif
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#endif
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