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// This file is part of libigl, a simple c++ geometry processing library.
//
// Copyright (C) 2016 Alec Jacobson <alecjacobson@gmail.com>
//
// This Source Code Form is subject to the terms of the Mozilla Public License
// v. 2.0. If a copy of the MPL was not distributed with this file, You can
// obtain one at http://mozilla.org/MPL/2.0/.
#ifndef IGL_VOXEL_GRID_H
#define IGL_VOXEL_GRID_H
#include "igl_inline.h"
#include <Eigen/Core>
#include <Eigen/Geometry>
namespace igl
{
// Construct the cell center positions of a regular voxel grid (lattice) made
// of perfectly square voxels.
//
// Inputs:
// box bounding box to enclose by grid
// s number of cell centers on largest side (including 2*pad_count)
// pad_count number of cells beyond box
// Outputs:
// GV side(0)*side(1)*side(2) by 3 list of cell center positions
// side 1 by 3 list of dimension of voxel grid
template <
typename Scalar,
typename DerivedGV,
typename Derivedside>
IGL_INLINE void voxel_grid(
const Eigen::AlignedBox<Scalar,3> & box,
const int s,
const int pad_count,
Eigen::PlainObjectBase<DerivedGV> & GV,
Eigen::PlainObjectBase<Derivedside> & side);
template <
typename DerivedV,
typename DerivedGV,
typename Derivedside>
IGL_INLINE void voxel_grid(
const Eigen::MatrixBase<DerivedV> & V,
const typename DerivedV::Scalar offset,
const int s,
const int pad_count,
Eigen::PlainObjectBase<DerivedGV> & GV,
Eigen::PlainObjectBase<Derivedside> & side);
}
#ifndef IGL_STATIC_LIBRARY
# include "voxel_grid.cpp"
#endif
#endif