Show location history

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
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
// [WriteFile Name=ShowLocationHistory, Category=Maps]
// [Legal]
// Copyright 2020 Esri.

// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0

// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// [Legal]

#ifdef PCH_BUILD
#include "pch.hpp"
#endif // PCH_BUILD

#include "ShowLocationHistory.h"

#include "GeometryEngine.h"
#include "Graphic.h"
#include "GraphicsOverlay.h"
#include "Location.h"
#include "Map.h"
#include "MapQuickView.h"
#include "Polyline.h"
#include "PolylineBuilder.h"
#include "SimpleLineSymbol.h"
#include "SimpleMarkerSymbol.h"
#include "SimpleRenderer.h"
#include "SimulatedLocationDataSource.h"
#include "SimulationParameters.h"

using namespace Esri::ArcGISRuntime;

namespace
{
constexpr int initialZoomScale = 8000;
const Point initialCenter(-13185535.98, 4037766.28);
const QString polylineJson("{\"paths\":[[[-13185646.046666779,4037971.5966668758],[-13185586.780000051,4037827.6633333955],"
                           "[-13185514.813333312,4037709.1299999417],[-13185569.846666701,4037522.8633330846],"
                           "[-13185591.01333339,4037378.9299996048],[-13185629.113333428,4037283.6799995075],"
                           "[-13185770.93000024,4037425.4966663187],[-13185821.730000293,4037546.146666442],"
                           "[-13185880.996667018,4037704.8966666036],[-13185948.730000421,4037874.2300001099],"
                           "[-13185974.130000448,4037946.1966668498],[-13186120.180000596,4037958.896666863],"
                           "[-13186264.113334076,4037984.296666889],[-13186336.080000836,4038001.2300002342],"
                           "[-13186314.91333415,4037757.8133333195],[-13186272.580000773,4037560.9633331187],"
                           "[-13186187.913334005,4037463.59666635],[-13186431.33000092,4037404.3299996229],"
                           "[-13186676.863334503,4037290.0299995062],[-13187625.130002158,4038589.6633341513],"
                           "[-13187333.030001862,4038756.8800009824],[-13187091.730001617,4038617.1800008402],"
                           "[-13186791.163334643,4038805.5633343654],[-13186721.313334571,4038801.3300010278],"
                           "[-13186833.49666802,4038195.9633337436],[-13186977.677439401,4037699.8176972247],"
                           "[-13186784.921301765,4037820.4541915278],[-13186749.517113185,4038150.8932846226],"
                           "[-13186649.860878762,4038288.5762400767],[-13186556.760975549,4038323.9804286221],"
                           "[-13186472.839936033,4038481.3323777127],[-13186373.183701571,4038489.1999751539],"
                           "[-13186344.335844241,4038242.6819215398],[-13186126.665647998,4038308.245233661],"
                           "[-13185814.584282301,4038358.0733508728],[-13185651.987268206,4038116.8003622484],"
                           "[-13185203.534213299,4038048.6145176427],[-13184576.748949422,4038150.8932845518],"
                           "[-13184251.55492135,4037833.5668537691],[-13184146.653621957,4037524.1080205571],"
                           "[-13183949.963685593,4037621.1417224966],[-13183687.71043711,4037781.1162040718],"
                           "[-13183480.530370807,4037875.5273735262],[-13182307.629999243,4037859.7460188437],"
                           "[-13181376.039484169,4037820.9297473822],[-13180716.162869323,4038364.3575478429],"
                           "[-13180182.439136729,4038810.7446696493],[-13178474.523192419,4040237.2426458625],"
                           "[-13178321.134040033,4039740.6894803117],[-13177958.020228144,4039140.1550991111],"
                           "[-13177073.512224896,4037459.5898928214],[-13177757.842101147,4037589.9384406791],"
                           "[-13178386.308314031,4037799.427178307],[-13180095.012208173,4037811.6550856642],"
                           "[-13180126.165447287,4036845.9046731163],[-13179806.844746364,4036324.0879179495],"
                           "[-13180928.361354485,4035887.9425703473],[-13181598.155995468,4035428.432293402],"
                           "[-13182984.47513606,4034447.105261297],[-13182229.264383668,4033222.8051626245],"
                           "[-13182058.735615831,4033339.8690072047],[-13181939.035180708,4033691.2477038498],"
                           "[-13182116.65518121,4033861.1450956347],[-13181792.305615077,4034085.1007484416],"
                           "[-13182027.845180977,4034467.3698799671],[-13181877.254310986,4034644.9898804692],"
                           "[-13181630.130832028,4034517.5668366305],[-13181386.868657427,4034424.8955320208],"
                           "[-13181228.555178719,4034652.7124891868],[-13181379.14604871,4034942.3103160923],"
                           "[-13181267.168222306,4035189.4337950516],[-13181074.103004368,4035015.6750989081],"
                           "[-13180807.673003616,4034934.5877073747],[-13180618.469090037,4034814.8872722536],"
                           "[-13180599.162568243,4035374.7764042714],[-13181047.073873857,4035494.476839392],"
                           "[-13181317.365178969,4035413.3894478586],[-13180765.198655669,4035143.0981427468],"
                           "[-13180328.871263131,4034892.1133594285],[-13180270.951697765,4035258.9372735149],"
                           "[-13180325.009958787,4035718.4324922049],[-13180707.279090302,4035695.2646660525],"
                           "[-13181413.897788007,4035536.9511873648],[-13181618.54691902,4035807.2424924765],"
                           "[-13181884.976919774,4036065.949884512],[-13182159.129529245,4035861.3007534989],"
                           "[-13182174.57474668,4035668.2355355616],[-13182417.83692128,4035664.374231203],"
                           "[-13182784.660835361,4035409.5281435261],[-13182997.032575091,4035255.0759691764],"
                           "[-13182618.624747934,4034679.7416197238]]],"
                           "\"spatialReference\":{\"wkid\":102100,\"latestWkid\":3857}}");
}

ShowLocationHistory::ShowLocationHistory(QObject* parent /* = nullptr */):
  QObject(parent),
  m_map(new Map(BasemapStyle::ArcGISDarkGray, this)),
  m_locationHistoryOverlay(new GraphicsOverlay(this)),
  m_locationHistoryLineOverlay(new GraphicsOverlay(this))
{
  // graphics overlay for displaying the trail
  SimpleLineSymbol* locationLineSymbol = new SimpleLineSymbol(SimpleLineSymbolStyle::Solid, Qt::green, 2, this);
  m_locationHistoryLineOverlay->setRenderer(new SimpleRenderer(locationLineSymbol, this));
  m_locationHistoryLineGraphic = new Graphic(this);
  m_locationHistoryLineOverlay->graphics()->append(m_locationHistoryLineGraphic);

  // graphics overlay for showing points
  SimpleMarkerSymbol* locationPointSymbol = new SimpleMarkerSymbol(SimpleMarkerSymbolStyle::Circle, Qt::red, 3, this);
  m_locationHistoryOverlay->setRenderer(new SimpleRenderer(locationPointSymbol, this));

  m_polylineBuilder = new PolylineBuilder(SpatialReference::webMercator(), this);
  m_simulatedLocationDataSource = new SimulatedLocationDataSource(this);
}

void ShowLocationHistory::handleLocationChanges()
{
  SimulationParameters* simulationParameters = new SimulationParameters(QDateTime::currentDateTime(), 30.0, 0.0, 0.0, this); // set speed

  m_simulatedLocationDataSource->setLocationsWithPolyline(Polyline::fromJson(polylineJson), simulationParameters);

  m_mapView->locationDisplay()->setDataSource(m_simulatedLocationDataSource);
  m_mapView->locationDisplay()->setAutoPanMode(LocationDisplayAutoPanMode::Recenter);
  m_mapView->locationDisplay()->setInitialZoomScale(initialZoomScale);
  m_mapView->locationDisplay()->start();

  m_simulatedLocationDataSource->start();

  // if tracking is enabled then show location history
  connect(m_mapView->locationDisplay(), &LocationDisplay::locationChanged, this, [this](const Location& location)
  {
    if (!m_trackingEnabled)
    {
      return;
    }

    // clear old route
    m_locationHistoryLineGraphic->setGeometry(Geometry());

    if (m_lastPosition.isValid())
    {
      m_polylineBuilder->addPoint(m_lastPosition);
      m_locationHistoryOverlay->graphics()->append(new Graphic(m_lastPosition, this));
    }

    // store the current position
    m_lastPosition = location.position();

    // update the polyline
    m_locationHistoryLineGraphic->setGeometry(m_polylineBuilder->toGeometry());
  });
}

ShowLocationHistory::~ShowLocationHistory() = default;

void ShowLocationHistory::init()
{
  // Register the map view for QML
  qmlRegisterType<MapQuickView>("Esri.Samples", 1, 0, "MapView");
  qmlRegisterType<ShowLocationHistory>("Esri.Samples", 1, 0, "ShowLocationHistorySample");
}

MapQuickView* ShowLocationHistory::mapView() const
{
  return m_mapView;
}

// Set the view (created in QML)
void ShowLocationHistory::setMapView(MapQuickView* mapView)
{
  if (!mapView || mapView == m_mapView)
    return;

  m_mapView = mapView;
  m_mapView->setMap(m_map);

  // set initial viewpoint near UCLA, Los Angeles
  m_mapView->setViewpointCenter(initialCenter, initialZoomScale);

  m_mapView->graphicsOverlays()->append(m_locationHistoryLineOverlay);
  m_mapView->graphicsOverlays()->append(m_locationHistoryOverlay);

  handleLocationChanges();

  emit mapViewChanged();
}