8d0202d240
initial version of handling via-way turn restrictions (this is dirty) - requires update of data structures - requires clean-up - requires optimisation
185 lines
7.4 KiB
C++
185 lines
7.4 KiB
C++
// This class constructs the edge-expanded routing graph
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#ifndef EDGE_BASED_GRAPH_FACTORY_HPP_
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#define EDGE_BASED_GRAPH_FACTORY_HPP_
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#include "extractor/compressed_edge_container.hpp"
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#include "extractor/edge_based_edge.hpp"
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#include "extractor/edge_based_node_segment.hpp"
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#include "extractor/extraction_turn.hpp"
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#include "extractor/guidance/turn_analysis.hpp"
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#include "extractor/guidance/turn_instruction.hpp"
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#include "extractor/guidance/turn_lane_types.hpp"
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#include "extractor/nbg_to_ebg.hpp"
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#include "extractor/node_data_container.hpp"
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#include "extractor/original_edge_data.hpp"
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#include "extractor/packed_osm_ids.hpp"
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#include "extractor/profile_properties.hpp"
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#include "extractor/query_node.hpp"
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#include "extractor/restriction_map.hpp"
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#include "extractor/way_restriction_map.hpp"
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#include "util/concurrent_id_map.hpp"
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#include "util/deallocating_vector.hpp"
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#include "util/guidance/bearing_class.hpp"
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#include "util/guidance/entry_class.hpp"
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#include "util/name_table.hpp"
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#include "util/node_based_graph.hpp"
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#include "util/packed_vector.hpp"
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#include "util/typedefs.hpp"
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#include "storage/io.hpp"
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#include <algorithm>
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#include <cstddef>
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#include <cstdint>
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#include <iosfwd>
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#include <memory>
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#include <queue>
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#include <string>
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#include <unordered_map>
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#include <unordered_set>
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#include <vector>
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#include <boost/filesystem/fstream.hpp>
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#include <tbb/concurrent_unordered_map.h>
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#include <tbb/concurrent_vector.h>
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namespace osrm
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{
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namespace extractor
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{
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class ScriptingEnvironment;
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namespace lookup
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{
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#pragma pack(push, 1)
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struct TurnIndexBlock
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{
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NodeID from_id;
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NodeID via_id;
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NodeID to_id;
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};
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#pragma pack(pop)
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static_assert(std::is_trivial<TurnIndexBlock>::value, "TurnIndexBlock is not trivial");
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static_assert(sizeof(TurnIndexBlock) == 12, "TurnIndexBlock is not packed correctly");
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} // ns lookup
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struct NodeBasedGraphToEdgeBasedGraphMappingWriter; // fwd. decl
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class EdgeBasedGraphFactory
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{
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public:
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EdgeBasedGraphFactory(const EdgeBasedGraphFactory &) = delete;
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EdgeBasedGraphFactory &operator=(const EdgeBasedGraphFactory &) = delete;
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explicit EdgeBasedGraphFactory(std::shared_ptr<util::NodeBasedDynamicGraph> node_based_graph,
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CompressedEdgeContainer &compressed_edge_container,
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const std::unordered_set<NodeID> &barrier_nodes,
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const std::unordered_set<NodeID> &traffic_lights,
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const std::vector<util::Coordinate> &coordinates,
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const extractor::PackedOSMIDs &osm_node_ids,
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ProfileProperties profile_properties,
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const util::NameTable &name_table,
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guidance::LaneDescriptionMap &lane_description_map);
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void Run(ScriptingEnvironment &scripting_environment,
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const std::string &turn_data_filename,
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const std::string &turn_lane_data_filename,
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const std::string &turn_weight_penalties_filename,
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const std::string &turn_duration_penalties_filename,
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const std::string &turn_penalties_index_filename,
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const std::string &cnbg_ebg_mapping_path,
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const RestrictionMap &restriction_map,
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const WayRestrictionMap &way_restriction_map);
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// The following get access functions destroy the content in the factory
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void GetEdgeBasedEdges(util::DeallocatingVector<EdgeBasedEdge> &edges);
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void GetEdgeBasedNodes(EdgeBasedNodeDataContainer &data_container);
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void GetEdgeBasedNodeSegments(std::vector<EdgeBasedNodeSegment> &nodes);
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void GetStartPointMarkers(std::vector<bool> &node_is_startpoint);
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void GetEdgeBasedNodeWeights(std::vector<EdgeWeight> &output_node_weights);
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// These access functions don't destroy the content
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const std::vector<BearingClassID> &GetBearingClassIds() const;
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std::vector<BearingClassID> &GetBearingClassIds();
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std::vector<util::guidance::BearingClass> GetBearingClasses() const;
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std::vector<util::guidance::EntryClass> GetEntryClasses() const;
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std::uint64_t GetNumberOfEdgeBasedNodes() const;
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// Basic analysis of a turn (u --(e1)-- v --(e2)-- w)
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// with known angle.
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// Handles special cases like u-turns and roundabouts
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// For basic turns, the turn based on the angle-classification is returned
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guidance::TurnInstruction AnalyzeTurn(const NodeID u,
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const EdgeID e1,
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const NodeID v,
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const EdgeID e2,
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const NodeID w,
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const double angle) const;
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private:
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using EdgeData = util::NodeBasedDynamicGraph::EdgeData;
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//! maps index from m_edge_based_node_list to ture/false if the node is an entry point to the
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//! graph
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std::vector<bool> m_edge_based_node_is_startpoint;
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//! node weights that indicate the length of the segment (node based) represented by the
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//! edge-based node
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std::vector<EdgeWeight> m_edge_based_node_weights;
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//! list of edge based nodes (compressed segments)
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std::vector<EdgeBasedNodeSegment> m_edge_based_node_segments;
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EdgeBasedNodeDataContainer m_edge_based_node_container;
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util::DeallocatingVector<EdgeBasedEdge> m_edge_based_edge_list;
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// the number of edge-based nodes is mostly made up out of the edges in the node-based graph.
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// Any edge in the node-based graph represents a node in the edge-based graph. In addition, we
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// add a set of artificial edge-based nodes into the mix to model via-way turn restrictions.
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std::uint64_t m_number_of_edge_based_nodes;
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const std::vector<util::Coordinate> &m_coordinates;
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const extractor::PackedOSMIDs &m_osm_node_ids;
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std::shared_ptr<util::NodeBasedDynamicGraph> m_node_based_graph;
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const std::unordered_set<NodeID> &m_barrier_nodes;
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const std::unordered_set<NodeID> &m_traffic_lights;
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CompressedEdgeContainer &m_compressed_edge_container;
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ProfileProperties profile_properties;
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const util::NameTable &name_table;
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guidance::LaneDescriptionMap &lane_description_map;
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unsigned RenumberEdges();
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std::vector<NBGToEBG> GenerateEdgeExpandedNodes(const WayRestrictionMap &way_restriction_map);
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void GenerateEdgeExpandedEdges(ScriptingEnvironment &scripting_environment,
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const std::string &original_edge_data_filename,
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const std::string &turn_lane_data_filename,
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const std::string &turn_weight_penalties_filename,
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const std::string &turn_duration_penalties_filename,
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const std::string &turn_penalties_index_filename,
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const RestrictionMap &restriction_map,
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const WayRestrictionMap &way_restriction_map);
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NBGToEBG InsertEdgeBasedNode(const NodeID u, const NodeID v);
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std::size_t restricted_turns_counter;
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std::size_t skipped_uturns_counter;
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std::size_t skipped_barrier_turns_counter;
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util::ConcurrentIDMap<util::guidance::BearingClass, BearingClassID> bearing_class_hash;
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std::vector<BearingClassID> bearing_class_by_node_based_node;
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util::ConcurrentIDMap<util::guidance::EntryClass, EntryClassID> entry_class_hash;
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};
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} // namespace extractor
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} // namespace osrm
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#endif /* EDGE_BASED_GRAPH_FACTORY_HPP_ */
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