Marble

Route.cpp
1// SPDX-License-Identifier: LGPL-2.1-or-later
2//
3// SPDX-FileCopyrightText: 2011 Dennis Nienhüser <nienhueser@kde.org>
4//
5
6#include "Route.h"
7
8namespace Marble
9{
10
11Route::Route()
12 : m_distance(0.0)
13 , m_travelTime(0)
14 , m_positionDirty(true)
15 , m_closestSegmentIndex(-1)
16{
17 // nothing to do
18}
19
20void Route::addRouteSegment(const RouteSegment &segment)
21{
22 if (segment.isValid()) {
23 m_bounds = m_bounds.united(segment.bounds());
24 m_distance += segment.distance();
25 m_path << segment.path();
26 if (segment.maneuver().position().isValid()) {
27 m_turnPoints << segment.maneuver().position();
28 }
29 if (segment.maneuver().hasWaypoint()) {
30 m_waypoints << segment.maneuver().waypoint();
31 }
32 m_segments.push_back(segment);
33 m_positionDirty = true;
34
35 for (int i = 1; i < m_segments.size(); ++i) {
36 m_segments[i - 1].setNextRouteSegment(&m_segments[i]);
37 }
38 }
39}
40
41GeoDataLatLonBox Route::bounds() const
42{
43 return m_bounds;
44}
45
46qreal Route::distance() const
47{
48 return m_distance;
49}
50
51int Route::size() const
52{
53 return m_segments.size();
54}
55
56const RouteSegment &Route::at(int index) const
57{
58 return m_segments[index];
59}
60
61int Route::indexOf(const RouteSegment &segment) const
62{
63 return m_segments.indexOf(segment);
64}
65
66const GeoDataLineString &Route::path() const
67{
68 return m_path;
69}
70
71int Route::travelTime() const
72{
73 return m_travelTime;
74}
75
76const GeoDataLineString &Route::turnPoints() const
77{
78 return m_turnPoints;
79}
80
81const GeoDataLineString &Route::waypoints() const
82{
83 return m_waypoints;
84}
85
86void Route::setPosition(const GeoDataCoordinates &position)
87{
88 m_position = position;
89 m_positionDirty = true;
90}
91
92GeoDataCoordinates Route::position() const
93{
94 return m_position;
95}
96
97void Route::updatePosition() const
98{
99 if (!m_segments.isEmpty()) {
100 if (m_closestSegmentIndex < 0 || m_closestSegmentIndex >= m_segments.size()) {
101 m_closestSegmentIndex = 0;
102 }
103
104 qreal distance = m_segments[m_closestSegmentIndex].distanceTo(m_position, m_currentWaypoint, m_positionOnRoute);
105 QList<int> candidates;
106
107 for (int i = 0; i < m_segments.size(); ++i) {
108 if (i != m_closestSegmentIndex && m_segments[i].minimalDistanceTo(m_position) <= distance) {
109 candidates << i;
110 }
111 }
112
113 GeoDataCoordinates closest, interpolated;
114 for (int i : std::as_const(candidates)) {
115 qreal const dist = m_segments[i].distanceTo(m_position, closest, interpolated);
116 if (distance < 0.0 || dist < distance) {
117 distance = dist;
118 m_closestSegmentIndex = i;
119 m_positionOnRoute = interpolated;
120 m_currentWaypoint = closest;
121 }
122 }
123 }
124
125 m_positionDirty = false;
126}
127
128const RouteSegment &Route::currentSegment() const
129{
130 if (m_positionDirty) {
131 updatePosition();
132 }
133
134 if (m_closestSegmentIndex < 0 || m_closestSegmentIndex >= m_segments.size()) {
135 static RouteSegment invalid;
136 return invalid;
137 }
138
139 return m_segments[m_closestSegmentIndex];
140}
141
142GeoDataCoordinates Route::positionOnRoute() const
143{
144 if (m_positionDirty) {
145 updatePosition();
146 }
147
148 return m_positionOnRoute;
149}
150
151GeoDataCoordinates Route::currentWaypoint() const
152{
153 if (m_positionDirty) {
154 updatePosition();
155 }
156
157 return m_currentWaypoint;
158}
159
160}
Binds a QML item to a specific geodetic location in screen coordinates.
KOSM_EXPORT double distance(const std::vector< const OSM::Node * > &path, Coordinate coord)
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