osrm-backend/include/extractor/guidance/turn_discovery.hpp
2016-06-27 10:07:41 +02:00

39 lines
1.1 KiB
C++

#ifndef OSRM_EXTRACTOR_GUIDANCE_TURN_DISCOVERY_HPP_
#define OSRM_EXTRACTOR_GUIDANCE_TURN_DISCOVERY_HPP_
#include "extractor/guidance/intersection.hpp"
#include "extractor/guidance/turn_analysis.hpp"
#include "util/typedefs.hpp"
#include <string>
namespace osrm
{
namespace extractor
{
namespace guidance
{
namespace lanes
{
// OSRM processes edges by looking at a via_edge, coming into an intersection. For turn lanes, we
// might require to actually look back a turn. We do so in the hope that the turn lanes match up at
// the previous intersection for all incoming lanes.
bool findPreviousIntersection(
const NodeID node,
const EdgeID via_edge,
const Intersection intersection,
const TurnAnalysis &turn_analysis, // to generate other intersections
const util::NodeBasedDynamicGraph &node_based_graph, // query edge data
// output parameters, will be in an arbitrary state on failure
NodeID &result_node,
EdgeID &result_via_edge,
Intersection &result_intersection);
} // namespace lanes
} // namespace guidance
} // namespace extractor
} // namespace osrm
#endif /*OSRM_EXTRACTOR_GUIDANCE_TURN_DISCOVERY_HPP_*/