osrm-backend/src/extractor/guidance/driveway_handler.cpp
Moritz Kobitzsch 2ddd98ee6d simplify passing annotation data through OSRM pipeline using the node-based datastore
- separates node-based graph creation and compression from edge-based graph creation
 - moves usage of edge-based node data-container to pre-processing as well, unifying access to node-based data
 - single struct instead of separate vectors for annotation data in engine (single place of modification)
2017-10-09 18:44:43 +02:00

83 lines
2.8 KiB
C++

#include "extractor/guidance/driveway_handler.hpp"
#include "util/assert.hpp"
using osrm::extractor::guidance::getTurnDirection;
using osrm::util::angularDeviation;
namespace osrm
{
namespace extractor
{
namespace guidance
{
DrivewayHandler::DrivewayHandler(const IntersectionGenerator &intersection_generator,
const util::NodeBasedDynamicGraph &node_based_graph,
const EdgeBasedNodeDataContainer &node_data_container,
const std::vector<util::Coordinate> &coordinates,
const util::NameTable &name_table,
const SuffixTable &street_name_suffix_table)
: IntersectionHandler(node_based_graph,
node_data_container,
coordinates,
name_table,
street_name_suffix_table,
intersection_generator)
{
}
// The intersection without major roads needs to pass by service roads (bd, be)
// d
// .
// a--->b--->c
// .
// e
bool DrivewayHandler::canProcess(const NodeID /*nid*/,
const EdgeID /*via_eid*/,
const Intersection &intersection) const
{
const auto from_eid = intersection.getUTurnRoad().eid;
if (intersection.size() <= 2 ||
node_based_graph.GetEdgeData(from_eid).flags.road_classification.IsLowPriorityRoadClass())
return false;
auto low_priority_count =
std::count_if(intersection.begin(), intersection.end(), [this](const auto &road) {
return node_based_graph.GetEdgeData(road.eid)
.flags.road_classification.IsLowPriorityRoadClass();
});
// Process intersection if it has two edges with normal priority and one is the entry edge,
// and also has at least one edge with lower priority
return static_cast<std::size_t>(low_priority_count) + 2 == intersection.size();
}
Intersection DrivewayHandler::
operator()(const NodeID nid, const EdgeID source_edge_id, Intersection intersection) const
{
auto road =
std::find_if(intersection.begin() + 1, intersection.end(), [this](const auto &road) {
return !node_based_graph.GetEdgeData(road.eid)
.flags.road_classification.IsLowPriorityRoadClass();
});
(void)nid;
OSRM_ASSERT(road != intersection.end(), coordinates[nid]);
if (road->instruction == TurnInstruction::INVALID())
return intersection;
OSRM_ASSERT(road->instruction.type == TurnType::Turn, coordinates[nid]);
road->instruction.type =
isSameName(source_edge_id, road->eid) ? TurnType::NoTurn : TurnType::NewName;
return intersection;
}
} // namespace guidance
} // namespace extractor
} // namespace osrm