/// <summary>
/// Populates the graphics layer using the input feature layer
/// </summary>
/// <param name="featureLayer"></param>
/// <returns></returns>
private async Task PopulateFeatures(FeatureLayer featureLayer)
{
var whereClause = string.Empty;
var query =
new Esri.ArcGISRuntime.Data.QueryParameters()
{
};
var result = await featureLayer.FeatureTable.QueryFeaturesAsync(new QueryParameters()
{
WhereClause = "1=1"
}).ConfigureAwait(false);
var featureGraphics = new List <Graphic>();
result.ForEach(p =>
{
var point = p.Geometry as MapPoint;
if (point != null && !point.IsEmpty)
{
var attributes = new Dictionary <string, object>(p.Attributes);
attributes["GUID"] = Guid.NewGuid();
attributes["Name"] = "Dispatch " + p.Attributes["FID"].ToString();
var graphic = new CustomGraphic(Convert.ToInt32(p.Attributes["FID"]), p.Geometry, attributes, new SimpleMarkerSymbol(SimpleMarkerSymbolStyle.Circle, Color.Red, 8));
FeatureGraphicsLayer.Graphics.Add(graphic);
}
});
}
private void OnView_Tapped(object sender, Esri.ArcGISRuntime.UI.GeoViewInputEventArgs e)
{
MapPoint geoPoint = getGeoPoint(e);
geoPoint = (MapPoint)GeometryEngine.Project(geoPoint, SpatialReference.Create(3857));
Polygon buffer = (Polygon)GeometryEngine.Buffer(geoPoint, 1000.0);
GraphicCollection graphics = (threeD ? bufferAndQuerySceneGraphics : bufferAndQueryMapGraphics).Graphics;
graphics.Clear();
graphics.Add(new Graphic(buffer, BUFFER_SYMBOL));
graphics.Add(new Graphic(geoPoint, CLICK_SYMBOL));
Esri.ArcGISRuntime.Data.QueryParameters query = new Esri.ArcGISRuntime.Data.QueryParameters();
query.Geometry = buffer;
LayerCollection operationalLayers;
if (threeD)
{
operationalLayers = sceneView.Scene.OperationalLayers;
}
else
{
operationalLayers = mapView.Map.OperationalLayers;
}
foreach (Layer layer in operationalLayers)
{
((FeatureLayer)layer).SelectFeaturesAsync(query, SelectionMode.New);
}
}
private async void OnView_Tapped(object sender, Esri.ArcGISRuntime.UI.GeoViewInputEventArgs e)
{
MapPoint geoPoint = getGeoPoint(e);
geoPoint = (MapPoint)GeometryEngine.Project(geoPoint, SpatialReference.Create(3857));
if (QueryandBufferButton.Content == FindResource("LocationSelected"))
{
Polygon buffer = (Polygon)GeometryEngine.Buffer(geoPoint, 1000.0);
GraphicCollection graphics = (threeD ? bufferAndQuerySceneGraphics : bufferAndQueryMapGraphics).Graphics;
graphics.Clear();
graphics.Add(new Graphic(buffer, BUFFER_SYMBOL));
graphics.Add(new Graphic(geoPoint, CLICK_SYMBOL));
Esri.ArcGISRuntime.Data.QueryParameters query = new Esri.ArcGISRuntime.Data.QueryParameters();
query.Geometry = buffer;
LayerCollection operationalLayers;
if (threeD)
{
operationalLayers = sceneView.Scene.OperationalLayers;
}
else
{
operationalLayers = mapView.Map.OperationalLayers;
}
foreach (Layer layer in operationalLayers)
{
await((FeatureLayer)layer).SelectFeaturesAsync(query, SelectionMode.New);
}
}
else if (RoutingButton.Content == FindResource("RoutingSelected"))
{
GraphicCollection graphics = (threeD ? sceneRouteGraphics : mapRouteGraphics).Graphics;
if (originPoint == null)
{
originPoint = geoPoint;
graphics.Clear();
graphics.Add(new Graphic(originPoint, ROUTE_ORIGIN_SYMBOL));
}
else
{
graphics.Add(new Graphic(geoPoint, ROUTE_DESTINATION_SYMBOL));
if (routeParameters != null)
{
routeParameters.ReturnDirections = false;
routeParameters.ReturnRoutes = true;
routeParameters.ReturnStops = false;
}
else
{
RoutingButton_Click(null, null);
}
var stop1 = new Stop(originPoint);
var stop2 = new Stop(geoPoint);
var stopPoints = new List <Stop> {
stop1, stop2
};
routeParameters.SetStops(stopPoints);
var routeResult = await routeTask.SolveRouteAsync(routeParameters);
// get the route from the results
var route = routeResult.Routes[0];
// create a graphic (with a dashed line symbol) to represent the route
var routeSymbol = new SimpleLineSymbol(SimpleLineSymbolStyle.Dash, Colors.Yellow, 5);
var routeGraphic = new Graphic(route.RouteGeometry, routeSymbol);
graphics.Add(routeGraphic);
originPoint = null;
}
}
}
