1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
#pragma once
#include "geometry/point2d.hpp"
#include "osrm2feature_map.hpp"
#include "osrm_data_facade.hpp"
#include "osrm_engine.hpp"
#include "routing_mapping.hpp"
#include "indexer/index.hpp"
namespace routing
{
namespace helpers
{
/// Class-getter for making routing tasks by geometry point.
class Point2PhantomNode
{
public:
Point2PhantomNode(RoutingMapping const & mapping, Index const & index,
m2::PointD const & direction)
: m_direction(direction), m_index(index), m_routingMapping(mapping)
{
}
struct Candidate
{
// Square distance from point to geometry in meters.
double m_dist;
uint32_t m_segIdx;
uint32_t m_fid;
m2::PointD m_point;
Candidate() : m_dist(numeric_limits<double>::max()),
m_segIdx(numeric_limits<uint32_t>::max()), m_fid(kInvalidFid)
{}
};
// Finds nearest segment of a feature geometry.
static void FindNearestSegment(FeatureType const & ft, m2::PointD const & point, Candidate & res);
// Sets point from where calculate weights.
void SetPoint(m2::PointD const & pt) { m_point = pt; }
// Returns true if there are candidate features for routing tasks.
bool HasCandidates() const { return !m_candidates.empty(); }
// Getter method.
void operator()(FeatureType const & ft);
/// Makes OSRM tasks result vector.
void MakeResult(vector<FeatureGraphNode> & res, size_t maxCount, string const & mwmName);
private:
// Calculates whole segment distance in meters.
double CalculateDistance(OsrmMappingTypes::FtSeg const & s) const;
/// Calculates part of a node weight in the OSRM format. Projection point @segPt divides node on
/// two parts. So we find weight of a part, set by the @calcFromRight parameter.
void CalculateWeight(OsrmMappingTypes::FtSeg const & seg, m2::PointD const & segPt,
NodeID const & nodeId, bool calcFromRight, int & weight) const;
/// Returns minimal weight of the node.
EdgeWeight GetMinNodeWeight(NodeID node, m2::PointD const & point) const;
/// Calculates weights and offsets section of the routing tasks.
void CalculateOffsets(FeatureGraphNode & node) const;
m2::PointD m_point;
m2::PointD const m_direction;
buffer_vector<Candidate, 128> m_candidates;
Index const & m_index;
RoutingMapping const & m_routingMapping;
DISALLOW_COPY(Point2PhantomNode);
};
/// Class-getter for finding OSRM nodes near geometry point.
class Point2Node
{
RoutingMapping const & m_routingMapping;
vector<NodeID> & n_nodeIds;
public:
Point2Node(RoutingMapping const & routingMapping, vector<NodeID> & nodeID)
: m_routingMapping(routingMapping), n_nodeIds(nodeID)
{
}
void operator()(FeatureType const & ft);
DISALLOW_COPY_AND_MOVE(Point2Node);
};
} // namespace helpers
} // namespace routing
|
