8114104a43
Rename module partition to partitioner. This cultivates naming used in existing modules like extractor, customizer, etc. - noun vs verb (word partition is both though).
81 lines
2.3 KiB
C++
81 lines
2.3 KiB
C++
#ifndef OSRM_UNIT_TEST_PARTITION_GRAPH_GENERATOR_HPP
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#define OSRM_UNIT_TEST_PARTITION_GRAPH_GENERATOR_HPP
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#include "util/coordinate.hpp"
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#include "util/typedefs.hpp"
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#include <algorithm>
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#include <vector>
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using namespace osrm::util;
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struct EdgeWithSomeAdditionalData
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{
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NodeID source;
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NodeID target;
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unsigned important_data;
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};
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inline Coordinate
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makeCoordinate(int x, int y, double step_size, double offset_x = 0, double offset_y = 0)
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{
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return {FloatLongitude{offset_x + x * step_size}, FloatLatitude{offset_y + y * step_size}};
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}
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std::vector<Coordinate> inline makeGridCoordinates(
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int rows, int columns, double step_size, double lon_base, double lat_base)
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{
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std::vector<Coordinate> result;
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for (int r = 0; r < rows; ++r)
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for (int c = 0; c < columns; ++c)
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result.push_back(makeCoordinate(c, r, step_size, lon_base, lat_base));
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return result;
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}
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inline std::vector<EdgeWithSomeAdditionalData> makeGridEdges(int rows, int columns, int id_base)
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{
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const int min_id = id_base;
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const int max_id = id_base + rows * columns;
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const auto get_id = [id_base, columns](int r, int c) { return id_base + r * columns + c; };
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const auto valid = [min_id, max_id](int id) { return id >= min_id && id < max_id; };
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std::vector<EdgeWithSomeAdditionalData> edges;
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for (int r = 0; r < rows; ++r)
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{
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for (int c = 0; c < columns; ++c)
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{
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auto id = static_cast<NodeID>(get_id(r, c));
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if (c > 0)
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{
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auto left = get_id(r, c - 1);
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edges.push_back({id, static_cast<NodeID>(left), 1});
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}
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if (c + 1 < columns)
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{
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auto right = get_id(r, c + 1);
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if (valid(right))
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edges.push_back({id, static_cast<NodeID>(right), 1});
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}
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if (r > 0)
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{
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auto top = get_id(r - 1, c);
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if (valid(top))
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edges.push_back({id, static_cast<NodeID>(top), 1});
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}
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if (r + 1 < rows)
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{
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auto bottom = get_id(r + 1, c);
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if (valid(bottom))
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edges.push_back({id, static_cast<NodeID>(bottom), 1});
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}
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}
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}
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return edges;
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}
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#endif // OSRM_UNIT_TEST_PARTITION_GRAPH_GENERATOR_HPP
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