63 lines
2.2 KiB
C++
63 lines
2.2 KiB
C++
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#ifndef OSRM_EXTRACTOR_GUIDANCE_IS_THROUGH_STREET_HPP_
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#define OSRM_EXTRACTOR_GUIDANCE_IS_THROUGH_STREET_HPP_
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#include "extractor/guidance/constants.hpp"
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#include "extractor/suffix_table.hpp"
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#include "util/guidance/name_announcements.hpp"
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using osrm::util::angularDeviation;
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namespace osrm
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{
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namespace extractor
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{
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namespace guidance
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{
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template <typename IntersectionType>
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inline bool isThroughStreet(const std::size_t index,
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const IntersectionType &intersection,
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const util::NodeBasedDynamicGraph &node_based_graph,
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const EdgeBasedNodeDataContainer &node_data_container,
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const util::NameTable &name_table,
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const SuffixTable &street_name_suffix_table)
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{
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const auto &data_at_index = node_data_container.GetAnnotation(
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node_based_graph.GetEdgeData(intersection[index].eid).annotation_data);
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if (data_at_index.name_id == EMPTY_NAMEID)
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return false;
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// a through street cannot start at our own position -> index 1
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for (std::size_t road_index = 1; road_index < intersection.size(); ++road_index)
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{
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if (road_index == index)
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continue;
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const auto &road = intersection[road_index];
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const auto &road_data = node_data_container.GetAnnotation(
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node_based_graph.GetEdgeData(road.eid).annotation_data);
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// roads have a near straight angle (180 degree)
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const bool is_nearly_straight = angularDeviation(road.angle, intersection[index].angle) >
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(STRAIGHT_ANGLE - FUZZY_ANGLE_DIFFERENCE);
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const bool have_same_name = HaveIdenticalNames(
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data_at_index.name_id, road_data.name_id, name_table, street_name_suffix_table);
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const bool have_same_category =
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node_based_graph.GetEdgeData(intersection[index].eid).flags.road_classification ==
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node_based_graph.GetEdgeData(road.eid).flags.road_classification;
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if (is_nearly_straight && have_same_name && have_same_category)
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return true;
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}
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return false;
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}
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} // namespace guidance
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} // namespace extractor
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} // namespace osrm
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#endif /*OSRM_EXTRACTOR_GUIDANCE_IS_THROUGH_STREET_HPP_*/
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