Distance measurement analysis

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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 // [WriteFile Name=DistanceMeasurementAnalysis, Category=Analysis] // [Legal] // Copyright 2022 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  // sample headers #include "DistanceMeasurementAnalysis.h"  // ArcGIS Maps SDK headers #include "AnalysisListModel.h" #include "AnalysisOverlay.h" #include "AnalysisOverlayListModel.h" #include "ArcGISSceneLayer.h" #include "ArcGISTiledElevationSource.h" #include "Camera.h" #include "CoreTypes.h" #include "Distance.h" #include "ElevationSourceListModel.h" #include "LayerListModel.h" #include "LinearUnit.h" #include "LocationDistanceMeasurement.h" #include "MapTypes.h" #include "Point.h" #include "Scene.h" #include "SceneQuickView.h" #include "SpatialReference.h" #include "Surface.h" #include "Viewpoint.h"  // Qt headers #include <QFuture> #include <QUuid>  using namespace Esri::ArcGISRuntime;  DistanceMeasurementAnalysis::DistanceMeasurementAnalysis(QObject* parent /* = nullptr */):  QObject(parent),  m_scene(new Scene(BasemapStyle::ArcGISTopographic, this)) {  // create a new elevation source from Terrain3D REST service  ArcGISTiledElevationSource* elevationSource = new ArcGISTiledElevationSource(  QUrl("https://elevation3d.arcgis.com/arcgis/rest/services/WorldElevation3D/Terrain3D/ImageServer"), this);   // add the elevation source to the scene to display elevation  m_scene->baseSurface()->elevationSources()->append(elevationSource);   // Add a Scene Layer  ArcGISSceneLayer* sceneLayer = new ArcGISSceneLayer(QUrl("https://tiles.arcgis.com/tiles/P3ePLMYs2RVChkJx/arcgis/rest/services/Buildings_Brest/SceneServer/layers/0"), this);  sceneLayer->setAltitudeOffset(1); // The elevation source is a very fine resolution so we raise the scene layer slightly so it does not clip the surface   m_scene->operationalLayers()->append(sceneLayer); }  DistanceMeasurementAnalysis::~DistanceMeasurementAnalysis() = default;  void DistanceMeasurementAnalysis::init() {  // Register classes for QML  qmlRegisterType<SceneQuickView>("Esri.Samples", 1, 0, "SceneView");  qmlRegisterType<DistanceMeasurementAnalysis>("Esri.Samples", 1, 0, "DistanceMeasurementAnalysisSample"); }  SceneQuickView* DistanceMeasurementAnalysis::sceneView() const {  return m_sceneView; }  // Set the view (created in QML) void DistanceMeasurementAnalysis::setSceneView(SceneQuickView* sceneView) {  if (!sceneView || sceneView == m_sceneView)  return;   m_sceneView = sceneView;  m_sceneView->setArcGISScene(m_scene);  emit sceneViewChanged();   // Add Analysis Overlay  AnalysisOverlay* analysisOverlay = new AnalysisOverlay(this);  m_sceneView->analysisOverlays()->append(analysisOverlay);   // Create and add the LocationDistanceMeasurement  const Point startLocation(-4.494677, 48.384472, 24.772694, SpatialReference::wgs84());  const Point endLocation(-4.495646, 48.384377, 58.501115, SpatialReference::wgs84());  m_distanceAnalysis = new LocationDistanceMeasurement(startLocation, endLocation, this);  m_distanceAnalysis->setUnitSystem(UnitSystem::Metric);  analysisOverlay->analyses()->append(m_distanceAnalysis);   // Set initial viewpoint  constexpr double distance = 400.0;  constexpr double pitch = 45.0;  constexpr double heading = 0.0;  constexpr double roll = 0.0;  const Camera initCamera(startLocation, distance, heading, pitch, roll);  const Viewpoint initViewpoint(startLocation, distance, initCamera);  m_scene->setInitialViewpoint(initViewpoint);   connectSignals(); }  void DistanceMeasurementAnalysis::connectSignals() {  // connect to signal to obtain updated distances  connect(m_distanceAnalysis, &LocationDistanceMeasurement::measurementChanged, this, [this](const Distance& directDistance,  const Distance& horizontalDistance,  const Distance& verticalDistance)  {  m_directDistance = QString::number(directDistance.value(), 'f', 2) + QString(" %1").arg(directDistance.unit().abbreviation());  m_horizontalDistance = QString::number(horizontalDistance.value(), 'f', 2) + QString(" %1").arg(horizontalDistance.unit().abbreviation());  m_verticalDistance = QString::number(verticalDistance.value(), 'f', 2) + QString(" %1").arg(verticalDistance.unit().abbreviation());  emit directDistanceChanged();  emit horizontalDistanceChanged();  emit verticalDistanceChanged();  });   // connect to mouse signals to update the analysis   // When the mouse is pressed and held, start updating the distance analysis end point  connect(m_sceneView, &SceneQuickView::mousePressedAndHeld, this, [this](QMouseEvent& mouseEvent)  {  m_isPressAndHold = true;  m_sceneView->screenToLocationAsync(mouseEvent.position().x(), mouseEvent.position().y()).then(this, [this](const Point& pt)  {  onScreenToLocationCompleted_(pt);  });  });   // When the mouse is released...  connect(m_sceneView, &SceneQuickView::mouseReleased, this, [this](QMouseEvent& mouseEvent)  {  // Check if the mouse was released from a pan gesture  if (m_isNavigating)  {  m_isNavigating = false;  return;  }   // Ignore if Right click  if (mouseEvent.button() == Qt::RightButton)  return;   // If pressing and holding, do nothing  if (m_isPressAndHold)  m_isPressAndHold = false;  // Else get the location from the screen coordinates  else  m_sceneView->screenToLocationAsync(mouseEvent.position().x(), mouseEvent.position().y()).then(this, [this](const Point& pt)  {  onScreenToLocationCompleted_(pt);  });  });   // Update the distance analysis when the mouse moves if it is a press and hold movement  connect(m_sceneView, &SceneQuickView::mouseMoved, this, [this](QMouseEvent& mouseEvent)  {  if (m_isPressAndHold)  m_sceneView->screenToLocationAsync(mouseEvent.position().x(), mouseEvent.position().y()).then(this, [this](const Point& pt)  {  onScreenToLocationCompleted_(pt);  });  });   // Set a flag when mousePressed signal emits  connect(m_sceneView, &SceneQuickView::mousePressed, this, [this]  {  m_isNavigating = false;  });   // Set a flag when viewpointChanged signal emits  connect(m_sceneView, &SceneQuickView::viewpointChanged, this, [this]  {  m_isNavigating = true;  }); }  void DistanceMeasurementAnalysis::onScreenToLocationCompleted_(const Point& pt) {  // If it was from a press and hold, update the end location  if (m_isPressAndHold)  m_distanceAnalysis->setEndLocation(pt);  // Else if it was a normal mouse click (press and release), update the start location  else  m_distanceAnalysis->setStartLocation(pt); }  void DistanceMeasurementAnalysis::setUnits(const QString& unitName) {  if (!m_distanceAnalysis)  return;   if (unitName == "Metric")  m_distanceAnalysis->setUnitSystem(UnitSystem::Metric);  else  m_distanceAnalysis->setUnitSystem(UnitSystem::Imperial); }  QString DistanceMeasurementAnalysis::directDistance() const {  return m_directDistance; }  QString DistanceMeasurementAnalysis::horizontalDistance() const {  return m_horizontalDistance; }  QString DistanceMeasurementAnalysis::verticalDistance() const {  return m_verticalDistance; }