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ESPResSo
Extensible Simulation Package for Research on Soft Matter Systems
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Shape.cpp
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2 * Copyright (C) 2021-2023 The ESPResSo project
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19
20#include <shapes/Shape.hpp>
21
22#include <utils/Vector.hpp>
23
24#include <boost/multi_array.hpp>
25
26#include <vector>
27
28namespace Shapes {
29std::vector<int> Shape::rasterize(Utils::Vector3i const &grid_size,
30 double grid_spacing,
31 double grid_offset) const {
32 boost::multi_array<int, 3> raster(grid_size);
33 for (int i = 0; i < grid_size[0]; ++i) {
34 for (int j = 0; j < grid_size[1]; ++j) {
35 for (int k = 0; k < grid_size[2]; ++k) {
36 auto const pos = Utils::Vector3d{{(i + grid_offset) * grid_spacing,
37 (j + grid_offset) * grid_spacing,
38 (k + grid_offset) * grid_spacing}};
39 raster[i][j][k] = is_inside(pos);
40 }
41 }
42 }
43 return {raster.data(), raster.data() + raster.num_elements()};
44}
45} // namespace Shapes
Vector implementation and trait types for boost qvm interoperability.
std::vector< int > rasterize(Utils::Vector3i const &grid_size, double grid_spacing, double grid_offset) const
Rasterize a shape on a regular grid.
Definition Shape.cpp:29
virtual bool is_inside(Utils::Vector3d const &pos) const
Check whether the given point is inside the shape or not.