Spatial relationships

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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 // [WriteFile Name=SpatialRelationships, Category=Geometry] // [Legal] // Copyright 2018 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 "SpatialRelationships.h"  // ArcGIS Maps SDK headers #include "GeometryEngine.h" #include "Graphic.h" #include "GraphicListModel.h" #include "GraphicsOverlay.h" #include "GraphicsOverlayListModel.h" #include "IdentifyGraphicsOverlayResult.h" #include "Map.h" #include "MapQuickView.h" #include "MapTypes.h" #include "Point.h" #include "Polygon.h" #include "PolygonBuilder.h" #include "Polyline.h" #include "PolylineBuilder.h" #include "SelectionProperties.h" #include "SimpleFillSymbol.h" #include "SimpleLineSymbol.h" #include "SimpleMarkerSymbol.h" #include "SpatialReference.h" #include "SymbolTypes.h"  // Qt headers #include <QFuture> #include <QStringList> #include <QUuid>  // STL headers #include <memory>  using namespace Esri::ArcGISRuntime;  SpatialRelationships::SpatialRelationships(QQuickItem* parent /* = nullptr */):  QQuickItem(parent) { }  void SpatialRelationships::init() {  // Register the map view for QML  qmlRegisterType<MapQuickView>("Esri.Samples", 1, 0, "MapView");  qmlRegisterType<SpatialRelationships>("Esri.Samples", 1, 0, "SpatialRelationshipsSample"); }  void SpatialRelationships::componentComplete() {  QQuickItem::componentComplete();   // find QML MapView component  m_mapView = findChild<MapQuickView*>("mapView");  m_mapView->setSelectionProperties(SelectionProperties(QColor(Qt::yellow)));   // Create a map using the topographic basemap  m_map = new Map(BasemapStyle::ArcGISTopographic, this);   // Set map to map view  m_mapView->setMap(m_map);   // Create GraphicsOverlay  m_graphicsOverlay = new GraphicsOverlay(this);  m_mapView->graphicsOverlays()->append(m_graphicsOverlay);   // Add Graphics  addGraphics();   // Set viewpoint  m_mapView->setViewpointCenterAsync(geometry_cast<Point>(m_pointGraphic->geometry()), 200000000);   // connect signals  connectSignals(); }  void SpatialRelationships::addGraphics() {  addPolygonGraphic();  addPolylineGraphic();  addPointGraphic(); }  void SpatialRelationships::addPolygonGraphic() {  // create polygon geometry  PolygonBuilder polyBuilder(SpatialReference::webMercator());  polyBuilder.addPoint(-5991501.677830, 5599295.131468);  polyBuilder.addPoint(-6928550.398185, 2087936.739807);  polyBuilder.addPoint(-3149463.800709, 1840803.011362);  polyBuilder.addPoint(-1563689.043184, 3714900.452072);  polyBuilder.addPoint(-3180355.516764, 5619889.608838);  Polygon geom = polyBuilder.toPolygon();   // create symbol  SimpleLineSymbol* outline = new SimpleLineSymbol(SimpleLineSymbolStyle::Solid, QColor("green"), 2.0f /*width*/, this);  SimpleFillSymbol* sfs = new SimpleFillSymbol(SimpleFillSymbolStyle::ForwardDiagonal, QColor("green"), outline, this);   // create graphic  m_polygonGraphic = new Graphic(geom, sfs);  m_graphicsOverlay->graphics()->append(m_polygonGraphic); }  void SpatialRelationships::addPolylineGraphic() {  // create poyline geometry  PolylineBuilder polyBuilder(SpatialReference::webMercator());  polyBuilder.addPoint(-4354240.726880, -609939.795721);  polyBuilder.addPoint(-3427489.245210, 2139422.933233);  polyBuilder.addPoint(-2109442.693501, 4301843.057130);  polyBuilder.addPoint(-1810822.771630, 7205664.366363);  Polyline geom = polyBuilder.toPolyline();   // create symbol  SimpleLineSymbol* sls = new SimpleLineSymbol(SimpleLineSymbolStyle::Dash, QColor("red"), 4.0f /*width*/, this);   // create graphic  m_polylineGraphic = new Graphic(geom, sls);  m_graphicsOverlay->graphics()->append(m_polylineGraphic); }  void SpatialRelationships::addPointGraphic() {  // Create point geometry  Point geom(-4487263.495911, 3699176.480377, SpatialReference::webMercator());   // create symbol  SimpleMarkerSymbol* sms = new SimpleMarkerSymbol(SimpleMarkerSymbolStyle::Circle, QColor("blue"), 10.0f /*size*/, this);   // create graphic  m_pointGraphic = new Graphic(geom, sms, this);  m_graphicsOverlay->graphics()->append(m_pointGraphic); }  void SpatialRelationships::connectSignals() {  connect(m_mapView, &MapQuickView::mouseClicked, this, [this](QMouseEvent& mouseEvent)  {  // identify graphics  m_mapView->identifyGraphicsOverlayAsync(m_graphicsOverlay, mouseEvent.position(), 1.0 /*tolerance*/, false /*returnPopupsOnly*/).then(this,  [this](IdentifyGraphicsOverlayResult* rawResult)  {  // Delete rawReslt when we leave scope.  auto result = std::unique_ptr<IdentifyGraphicsOverlayResult>(rawResult);   const QList<Graphic*> identifiedGraphics = result->graphics();  if (identifiedGraphics.isEmpty())  return;   // get the first identified graphic  Graphic* graphic = identifiedGraphics.at(0);   // select the graphic  m_graphicsOverlay->clearSelection();  graphic->setSelected(true);   // get the geometry  const Geometry selectedGeometry = graphic->geometry();  const GeometryType selectedGeometryType = selectedGeometry.geometryType();   // reset the output text  m_pointRelationships = "";  m_polylineRelationships = "";  m_polygonRelationships = "";   // populate the view with the spatial relationships the selected graphic has to the other graphics  // ignore testing relationships between the geometry and itself  if (selectedGeometryType != GeometryType::Point)  {  const QString pointRelationships = getSpatialRelationships(selectedGeometry, m_pointGraphic->geometry()).join(",");  m_pointRelationships = QString("Point: %1").arg(pointRelationships);  }  if (selectedGeometryType != GeometryType::Polyline)  {  const QString polylineRelationships = getSpatialRelationships(selectedGeometry, m_polylineGraphic->geometry()).join(",");  m_polylineRelationships = QString("Polyline: %1").arg(polylineRelationships);  }  if (selectedGeometryType != GeometryType::Polygon)  {  const QString polygonRelationships = getSpatialRelationships(selectedGeometry, m_polygonGraphic->geometry()).join(",");  m_polygonRelationships = QString("Polygon: %1").arg(polygonRelationships);  }   emit relationshipsChanged();  });   }); }  // function to return list of relaionships QStringList SpatialRelationships::getSpatialRelationships(const Geometry& geom1, const Geometry& geom2) {  QStringList relationships;  if (GeometryEngine::crosses(geom1, geom2))  relationships.append("CROSSES");  if (GeometryEngine::contains(geom1, geom2))  relationships.append("CONTAINS");  if (GeometryEngine::disjoint(geom1, geom2))  relationships.append("DISJOINT");  if (GeometryEngine::intersects(geom1, geom2))  relationships.append("INTERSECTS");  if (GeometryEngine::overlaps(geom1, geom2))  relationships.append("OVERLAPS");  if (GeometryEngine::touches(geom1, geom2))  relationships.append("TOUCHES");  if (GeometryEngine::within(geom1, geom2))  relationships.append("WITHIN");  return relationships; }