osrm-backend/include/extractor/edge_based_node.hpp
2016-04-05 22:58:32 +02:00

86 lines
3.3 KiB
C++

#ifndef EDGE_BASED_NODE_HPP
#define EDGE_BASED_NODE_HPP
#include "extractor/travel_mode.hpp"
#include "util/typedefs.hpp"
#include <boost/assert.hpp>
#include "osrm/coordinate.hpp"
#include <limits>
namespace osrm
{
namespace extractor
{
/// This is what util::StaticRTree serialized and stores on disk
/// It is generated in EdgeBasedGraphFactory.
struct EdgeBasedNode
{
EdgeBasedNode()
: forward_edge_based_node_id(SPECIAL_NODEID), reverse_edge_based_node_id(SPECIAL_NODEID),
u(SPECIAL_NODEID), v(SPECIAL_NODEID), name_id(0),
forward_packed_geometry_id(SPECIAL_EDGEID), reverse_packed_geometry_id(SPECIAL_EDGEID),
component{INVALID_COMPONENTID, false},
fwd_segment_position(std::numeric_limits<unsigned short>::max()),
forward_travel_mode(TRAVEL_MODE_INACCESSIBLE),
backward_travel_mode(TRAVEL_MODE_INACCESSIBLE)
{
}
explicit EdgeBasedNode(NodeID forward_edge_based_node_id,
NodeID reverse_edge_based_node_id,
NodeID u,
NodeID v,
unsigned name_id,
unsigned forward_weight_or_packed_geometry_id_,
unsigned reverse_weight_or_packed_geometry_id_,
bool is_tiny_component,
unsigned component_id,
unsigned short fwd_segment_position,
TravelMode forward_travel_mode,
TravelMode backward_travel_mode)
: forward_edge_based_node_id(forward_edge_based_node_id),
reverse_edge_based_node_id(reverse_edge_based_node_id), u(u), v(v), name_id(name_id),
forward_packed_geometry_id(forward_weight_or_packed_geometry_id_),
reverse_packed_geometry_id(reverse_weight_or_packed_geometry_id_),
component{component_id, is_tiny_component}, fwd_segment_position(fwd_segment_position),
forward_travel_mode(forward_travel_mode), backward_travel_mode(backward_travel_mode)
{
BOOST_ASSERT((forward_edge_based_node_id != SPECIAL_NODEID) ||
(reverse_edge_based_node_id != SPECIAL_NODEID));
}
static inline util::Coordinate Centroid(const util::Coordinate a, const util::Coordinate b)
{
util::Coordinate centroid;
// The coordinates of the midpoint are given by:
centroid.lon = (a.lon + b.lon) / util::FixedLongitude(2);
centroid.lat = (a.lat + b.lat) / util::FixedLatitude(2);
return centroid;
}
NodeID forward_edge_based_node_id; // needed for edge-expanded graph
NodeID reverse_edge_based_node_id; // needed for edge-expanded graph
NodeID u; // indices into the coordinates array
NodeID v; // indices into the coordinates array
unsigned name_id; // id of the edge name
unsigned forward_packed_geometry_id;
unsigned reverse_packed_geometry_id;
struct
{
unsigned id : 31;
bool is_tiny : 1;
} component;
unsigned short fwd_segment_position; // segment id in a compressed geometry
TravelMode forward_travel_mode : 4;
TravelMode backward_travel_mode : 4;
};
}
}
#endif // EDGE_BASED_NODE_HPP