private async void Initialize()
{
try
{
// Create the utility network.
_utilityNetwork = await UtilityNetwork.CreateAsync(new Uri(FeatureServerUrl));
// Create the map.
MyMapView.Map = new Map(Basemap.CreateTopographicVector());
// Get all of the edges and junctions in the network.
IEnumerable <UtilityNetworkSource> edges = _utilityNetwork.Definition.NetworkSources.Where(n => n.SourceType == UtilityNetworkSourceType.Edge);
IEnumerable <UtilityNetworkSource> junctions = _utilityNetwork.Definition.NetworkSources.Where(n => n.SourceType == UtilityNetworkSourceType.Junction);
// Add all edges that are not subnet lines to the map.
foreach (UtilityNetworkSource source in edges)
{
if (source.SourceUsageType != UtilityNetworkSourceUsageType.SubnetLine && source.FeatureTable != null)
{
MyMapView.Map.OperationalLayers.Add(new FeatureLayer(source.FeatureTable));
}
}
// Add all junctions to the map.
foreach (UtilityNetworkSource source in junctions)
{
if (source.FeatureTable != null)
{
MyMapView.Map.OperationalLayers.Add(new FeatureLayer(source.FeatureTable));
}
}
// Create a graphics overlay for associations.
_associationsOverlay = new GraphicsOverlay();
MyMapView.GraphicsOverlays.Add(_associationsOverlay);
// Symbols for the associations.
Symbol attachmentSymbol = new SimpleLineSymbol(SimpleLineSymbolStyle.Dot, Color.Green, 5d);
Symbol connectivitySymbol = new SimpleLineSymbol(SimpleLineSymbolStyle.Dot, Color.Red, 5d);
// Create a renderer for the associations.
var attachmentValue = new UniqueValue("Attachment", string.Empty, attachmentSymbol, UtilityAssociationType.Attachment.ToString());
var connectivityValue = new UniqueValue("Connectivity", string.Empty, connectivitySymbol, UtilityAssociationType.Connectivity.ToString());
_associationsOverlay.Renderer = new UniqueValueRenderer(new List <string> {
"AssociationType"
}, new List <UniqueValue> {
attachmentValue, connectivityValue
}, string.Empty, null);
// Populate the legend in the UI.
RuntimeImage attachmentSwatch = await attachmentSymbol.CreateSwatchAsync();
AttachmentImage.Source = await Esri.ArcGISRuntime.Xamarin.Forms.RuntimeImageExtensions.ToImageSourceAsync(attachmentSwatch);
RuntimeImage connectSwatch = await connectivitySymbol.CreateSwatchAsync();
ConnectivityImage.Source = await Esri.ArcGISRuntime.Xamarin.Forms.RuntimeImageExtensions.ToImageSourceAsync(connectSwatch);
// Set the starting viewpoint.
await MyMapView.SetViewpointAsync(InitialViewpoint);
// Add the associations in the starting viewpoint.
AddAssociations();
}
catch (Exception ex)
{
await Application.Current.MainPage.DisplayAlert(ex.GetType().Name, ex.Message, "OK");
}
}
private void Initialize()
{
// Create the scene with the imagery basemap.
_mySceneView.Scene = new Scene(Basemap.CreateImagery());
// Add the surface elevation.
Surface mySurface = new Surface();
mySurface.ElevationSources.Add(new ArcGISTiledElevationSource(_localElevationImageService));
_mySceneView.Scene.BaseSurface = mySurface;
// Add the scene layer.
ArcGISSceneLayer sceneLayer = new ArcGISSceneLayer(_buildingsUrl);
_mySceneView.Scene.OperationalLayers.Add(sceneLayer);
// Create the MapPoint representing the initial location.
MapPoint initialLocation = new MapPoint(-4.5, 48.4, 56.0);
// Create the location viewshed analysis.
_viewshed = new LocationViewshed(
initialLocation,
0,
60,
75,
90,
11,
1500);
_settingsVC = new ViewshedLocationSettingsController(_viewshed);
_settingsButton.Enabled = true;
// Create a camera based on the initial location.
Camera camera = new Camera(initialLocation, 200.0, 20.0, 70.0, 0.0);
// Apply the camera to the scene view.
_mySceneView.SetViewpointCamera(camera);
// Create an analysis overlay for showing the viewshed analysis.
_analysisOverlay = new AnalysisOverlay();
// Add the viewshed analysis to the overlay.
_analysisOverlay.Analyses.Add(_viewshed);
// Create a symbol for the viewpoint.
_viewpointSymbol = SimpleMarkerSceneSymbol.CreateSphere(Color.Blue, 10, SceneSymbolAnchorPosition.Center);
// Add the symbol to the viewpoint overlay.
_viewpointOverlay = new GraphicsOverlay
{
SceneProperties = new LayerSceneProperties(SurfacePlacement.Absolute)
};
_viewpointOverlay.Graphics.Add(new Graphic(initialLocation, _viewpointSymbol));
// Add the analysis overlay to the SceneView.
_mySceneView.AnalysisOverlays.Add(_analysisOverlay);
// Add the graphics overlay
_mySceneView.GraphicsOverlays.Add(_viewpointOverlay);
// Update the frustum outline color.
// The frustum outline shows the volume in which the viewshed analysis is performed.
Viewshed.FrustumOutlineColor = Color.Blue;
}
private async void Initialize()
{
// Create a tile cache and load it with the SanFrancisco streets tpk.
TileCache tileCache = new TileCache(DataManager.GetDataFolder("e4a398afe9a945f3b0f4dca1e4faccb5", "SanFrancisco.tpkx"));
// Create the corresponding layer based on the tile cache.
ArcGISTiledLayer tileLayer = new ArcGISTiledLayer(tileCache);
// Create the basemap based on the tile cache.
Basemap sfBasemap = new Basemap(tileLayer);
// Create the map with the tile-based basemap.
Map myMap = new Map(sfBasemap);
// Assign the map to the MapView.
MyMapView.Map = myMap;
// Create a new symbol for the extent graphic.
SimpleLineSymbol lineSymbol = new SimpleLineSymbol(SimpleLineSymbolStyle.Solid, Color.Red, 2);
// Create graphics overlay for the extent graphic and apply a renderer.
GraphicsOverlay extentOverlay = new GraphicsOverlay
{
Renderer = new SimpleRenderer(lineSymbol)
};
// Add graphics overlay to the map view.
MyMapView.GraphicsOverlays.Add(extentOverlay);
// Set up an event handler for when the viewpoint (extent) changes.
MyMapView.ViewpointChanged += MapViewExtentChanged;
try
{
// Create a task for generating a geodatabase (GeodatabaseSyncTask).
_gdbSyncTask = await GeodatabaseSyncTask.CreateAsync(_featureServiceUri);
// Add all layers from the service to the map.
foreach (IdInfo layer in _gdbSyncTask.ServiceInfo.LayerInfos)
{
// Get the URL for this particular layer.
Uri onlineTableUri = new Uri(_featureServiceUri + "/" + layer.Id);
// Create the ServiceFeatureTable.
ServiceFeatureTable onlineTable = new ServiceFeatureTable(onlineTableUri);
// Wait for the table to load.
await onlineTable.LoadAsync();
// Skip tables that aren't for point features.{
if (onlineTable.GeometryType != GeometryType.Point)
{
continue;
}
// Add the layer to the map's operational layers if load succeeds.
if (onlineTable.LoadStatus == LoadStatus.Loaded)
{
myMap.OperationalLayers.Add(new FeatureLayer(onlineTable));
}
}
// Update the extent graphic so that it is valid before user interaction.
UpdateMapExtent();
// Enable the generate button now that the sample is ready.
GenerateButton.IsEnabled = true;
}
catch (Exception e)
{
ShowStatusMessage(e.ToString());
}
}
private void ShowBasemapList()
{
// Create a new Alert Controller.
UIAlertController basemapsActionSheet = UIAlertController.Create("Basemaps", "Choose a basemap", UIAlertControllerStyle.ActionSheet);
// Add actions to apply each basemap type.
basemapsActionSheet.AddAction(UIAlertAction.Create("Topographic", UIAlertActionStyle.Default, action => _myMapView.Map.Basemap = Basemap.CreateTopographic()));
basemapsActionSheet.AddAction(UIAlertAction.Create("Streets", UIAlertActionStyle.Default, action => _myMapView.Map.Basemap = Basemap.CreateStreets()));
basemapsActionSheet.AddAction(UIAlertAction.Create("Imagery", UIAlertActionStyle.Default, action => _myMapView.Map.Basemap = Basemap.CreateImagery()));
basemapsActionSheet.AddAction(UIAlertAction.Create("Oceans", UIAlertActionStyle.Default, action => _myMapView.Map.Basemap = Basemap.CreateOceans()));
basemapsActionSheet.AddAction(UIAlertAction.Create("Cancel", UIAlertActionStyle.Cancel, action => Console.WriteLine("Canceled")));
// Required for iPad - You must specify a source for the Action Sheet since it is displayed as a popover.
UIPopoverPresentationController presentationPopover = basemapsActionSheet.PopoverPresentationController;
if (presentationPopover != null)
{
presentationPopover.SourceView = View;
presentationPopover.PermittedArrowDirections = UIPopoverArrowDirection.Up;
}
// Display the list of basemaps.
PresentViewController(basemapsActionSheet, true, null);
}
private async void Initialize()
{
try
{
// Get the paths to resources used by the sample.
string basemapTilePath = DataManager.GetDataFolder("567e14f3420d40c5a206e5c0284cf8fc", "streetmap_SD.tpk");
string networkGeodatabasePath = DataManager.GetDataFolder("567e14f3420d40c5a206e5c0284cf8fc", "sandiego.geodatabase");
// Create the tile cache representing the offline basemap.
TileCache tiledBasemapCache = new TileCache(basemapTilePath);
// Create a tiled layer to display the offline tiles.
ArcGISTiledLayer offlineTiledLayer = new ArcGISTiledLayer(tiledBasemapCache);
// Create a basemap based on the tile layer.
Basemap offlineBasemap = new Basemap(offlineTiledLayer);
// Create a new map with the offline basemap.
Map theMap = new Map(offlineBasemap);
// Set the initial viewpoint to show the routable area.
theMap.InitialViewpoint = new Viewpoint(_routableArea);
// Show the map in the map view.
_myMapView.Map = theMap;
// Create overlays for displaying the stops and the calculated route.
_stopsOverlay = new GraphicsOverlay();
_routeOverlay = new GraphicsOverlay();
// Create a symbol and renderer for symbolizing the calculated route.
SimpleLineSymbol routeSymbol = new SimpleLineSymbol(SimpleLineSymbolStyle.Solid, Color.Blue, 2);
_routeOverlay.Renderer = new SimpleRenderer(routeSymbol);
// Add the stops and route overlays to the map.
_myMapView.GraphicsOverlays.Add(_stopsOverlay);
_myMapView.GraphicsOverlays.Add(_routeOverlay);
// Create the route task, referring to the offline geodatabase with the street network.
_offlineRouteTask = await RouteTask.CreateAsync(networkGeodatabasePath, "Streets_ND");
// Get the list of available travel modes.
_availableTravelModes = _offlineRouteTask.RouteTaskInfo.TravelModes.ToList();
// Update the UI with the travel modes list.
ArrayAdapter <string> spinnerListAdapter = new ArrayAdapter <string>(this,
Android.Resource.Layout.SimpleSpinnerItem, _availableTravelModes.Select(travelMode => travelMode.Name).ToArray());
_travelModeSpinner.Adapter = spinnerListAdapter;
_travelModeSpinner.SetSelection(0);
// Create the default parameters.
_offlineRouteParameters = await _offlineRouteTask.CreateDefaultParametersAsync();
// Display the extent of the road network on the map.
DisplayBoundaryMarker();
// Now that the sample is ready, hook up the tapped and hover events.
_myMapView.GeoViewTapped += MapView_Tapped;
_travelModeSpinner.ItemSelected += TravelMode_SelectionChanged;
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine(e);
ShowMessage("Couldn't start sample", "There was a problem starting the sample. See debug output for details.");
}
}
private void Initialize()
{
// Create a scene with elevation.
Surface sceneSurface = new Surface();
sceneSurface.ElevationSources.Add(new ArcGISTiledElevationSource(_worldElevationService));
Scene myScene = new Scene(Basemap.CreateImagery())
{
BaseSurface = sceneSurface
};
// Create and add a building layer.
ArcGISSceneLayer buildingsLayer = new ArcGISSceneLayer(_buildingService);
myScene.OperationalLayers.Add(buildingsLayer);
// Create and add an analysis overlay.
AnalysisOverlay measureAnalysisOverlay = new AnalysisOverlay();
MySceneView.AnalysisOverlays.Add(measureAnalysisOverlay);
// Create an initial distance measurement and show it.
MapPoint start = new MapPoint(-4.494677, 48.384472, 24.772694, SpatialReferences.Wgs84);
MapPoint end = new MapPoint(-4.495646, 48.384377, 58.501115, SpatialReferences.Wgs84);
_distanceMeasurement = new LocationDistanceMeasurement(start, end);
measureAnalysisOverlay.Analyses.Add(_distanceMeasurement);
// Keep the UI updated.
_distanceMeasurement.MeasurementChanged += (o, e) =>
{
// This is needed because measurement change events occur on a non-UI thread and this code accesses UI object.
Device.BeginInvokeOnMainThread(() =>
{
// Update the labels with new values in the format {value} {unit system}.
DirectMeasureLabel.Text =
$"{_distanceMeasurement.DirectDistance.Value:F} {_distanceMeasurement.DirectDistance.Unit.Abbreviation}";
VerticalMeasureLabel.Text =
$"{_distanceMeasurement.VerticalDistance.Value:F} {_distanceMeasurement.VerticalDistance.Unit.Abbreviation}";
HorizontalMeasureLabel.Text =
$"{_distanceMeasurement.HorizontalDistance.Value:F} {_distanceMeasurement.HorizontalDistance.Unit.Abbreviation}";
});
};
// Configure the unit system selection box.
UnitSystemCombo.ItemsSource = Enum.GetValues(typeof(UnitSystem));
UnitSystemCombo.SelectedItem = _distanceMeasurement.UnitSystem;
// Update the unit system selection.
UnitSystemCombo.SelectedIndexChanged += (sender, args) =>
{
_distanceMeasurement.UnitSystem = (UnitSystem)UnitSystemCombo.SelectedItem;
};
// Show the scene in the view.
MySceneView.Scene = myScene;
MySceneView.SetViewpointCamera(new Camera(start, 200, 0, 45, 0));
// Subscribe to tap events to enable updating the measurement.
MySceneView.GeoViewTapped += MySceneView_GeoViewTapped;
}
private void Initialize()
{
// Create new Scene
Scene myScene = new Scene();
// Set Scene's base map property
myScene.Basemap = Basemap.CreateImagery();
// Create a camera with coordinates showing layer data
Camera camera = new Camera(53.04, -4.04, 1300, 0, 90.0, 0);
// Assign the Scene to the SceneView
MySceneView.Scene = myScene;
// Create ElevationSource from elevation data Uri
ArcGISTiledElevationSource elevationSource = new ArcGISTiledElevationSource(
new Uri("http://elevation3d.arcgis.com/arcgis/rest/services/WorldElevation3D/Terrain3D/ImageServer"));
// Add elevationSource to BaseSurface's ElevationSources
MySceneView.Scene.BaseSurface.ElevationSources.Add(elevationSource);
// Set view point of scene view using camera
MySceneView.SetViewpointCameraAsync(camera);
// Create overlays with elevation modes
GraphicsOverlay drapedOverlay = new GraphicsOverlay();
drapedOverlay.SceneProperties.SurfacePlacement = SurfacePlacement.Draped;
MySceneView.GraphicsOverlays.Add(drapedOverlay);
GraphicsOverlay relativeOverlay = new GraphicsOverlay();
relativeOverlay.SceneProperties.SurfacePlacement = SurfacePlacement.Relative;
MySceneView.GraphicsOverlays.Add(relativeOverlay);
GraphicsOverlay absoluteOverlay = new GraphicsOverlay();
absoluteOverlay.SceneProperties.SurfacePlacement = SurfacePlacement.Absolute;
MySceneView.GraphicsOverlays.Add(absoluteOverlay);
// Create point for graphic location
MapPoint point = new MapPoint(-4.04, 53.06, 1000, camera.Location.SpatialReference);
// Create a red circle symbol
SimpleMarkerSymbol circleSymbol = new SimpleMarkerSymbol(SimpleMarkerSymbolStyle.Circle, Color.FromArgb(255, 255, 0, 0), 10);
// Create a text symbol for each elevation mode
TextSymbol drapedText = new TextSymbol("DRAPED", Color.FromArgb(255, 255, 255, 255), 10,
Esri.ArcGISRuntime.Symbology.HorizontalAlignment.Left,
Esri.ArcGISRuntime.Symbology.VerticalAlignment.Middle);
TextSymbol relativeText = new TextSymbol("RELATIVE", Color.FromArgb(255, 255, 255, 255), 10,
Esri.ArcGISRuntime.Symbology.HorizontalAlignment.Left,
Esri.ArcGISRuntime.Symbology.VerticalAlignment.Middle);
TextSymbol absoluteText = new TextSymbol("ABSOLUTE", Color.FromArgb(255, 255, 255, 255), 10,
Esri.ArcGISRuntime.Symbology.HorizontalAlignment.Left,
Esri.ArcGISRuntime.Symbology.VerticalAlignment.Middle);
// Add the point graphic and text graphic to the corresponding graphics overlay
drapedOverlay.Graphics.Add(new Graphic(point, circleSymbol));
drapedOverlay.Graphics.Add(new Graphic(point, drapedText));
relativeOverlay.Graphics.Add(new Graphic(point, circleSymbol));
relativeOverlay.Graphics.Add(new Graphic(point, relativeText));
absoluteOverlay.Graphics.Add(new Graphic(point, circleSymbol));
absoluteOverlay.Graphics.Add(new Graphic(point, absoluteText));
}
private async void Initialize()
{
// Apply appropriate maps to the scene and the inset map view
InsetMapView.Map = new Map(Basemap.CreateImagery());
MySceneView.Scene = new Scene(Basemap.CreateImagery());
// Update the mission selection UI
MissionSelectionBox.ItemsSource = _missionToItemId.Keys;
MissionSelectionBox.SelectedIndex = 0;
// Wire up the selection change event to call the ChangeMission method; this method resets the animation and starts a new mission
MissionSelectionBox.SelectionChanged += async(sender, args) => { await ChangeMission(args.AddedItems[0].ToString()); };
// Apply the elevation source
Surface surface = new Surface();
ElevationSource elevationSource = new ArcGISTiledElevationSource(_elevationServiceUrl);
surface.ElevationSources.Add(elevationSource);
MySceneView.Scene.BaseSurface = surface;
// Create and add the graphics overlay
GraphicsOverlay sceneOverlay = new GraphicsOverlay
{
SceneProperties = { SurfacePlacement = SurfacePlacement.Absolute }
};
MySceneView.GraphicsOverlays.Add(sceneOverlay);
// Create a renderer to handle updating plane's orientation
SimpleRenderer renderer3D = new SimpleRenderer();
RendererSceneProperties renderProperties = renderer3D.SceneProperties;
// Use expressions to keep the renderer properties updated as parameters of the rendered object
renderProperties.HeadingExpression = "[HEADING]";
renderProperties.PitchExpression = "[PITCH]";
renderProperties.RollExpression = "[ROLL]";
// Apply the renderer to the scene view's overlay
sceneOverlay.Renderer = renderer3D;
// Create renderer to symbolize plane and update plane orientation in the inset map
SimpleRenderer renderer2D = new SimpleRenderer();
// Create the symbol that will be used for the plane
SimpleMarkerSymbol plane2DSymbol = new SimpleMarkerSymbol(SimpleMarkerSymbolStyle.Triangle, System.Drawing.Color.Blue, 10);
// Apply the symbol to the renderer
renderer2D.Symbol = plane2DSymbol;
// Apply a rotation expression to the renderer
renderer2D.RotationExpression = "[ANGLE]";
// Update the inset map with a new GraphicsOverlay based on the renderer
GraphicsOverlay insetMapOverlay = new GraphicsOverlay
{
Renderer = renderer2D
};
InsetMapView.GraphicsOverlays.Add(insetMapOverlay);
// Create placeholder graphic for showing the mission route in the inset map
SimpleLineSymbol routeSymbol = new SimpleLineSymbol(SimpleLineSymbolStyle.Solid, System.Drawing.Color.Red, 2);
_routeGraphic = new Graphic {
Symbol = routeSymbol
};
insetMapOverlay.Graphics.Add(_routeGraphic);
// Create the plane graphic; this is symbolized as a blue triangle because of renderer implemented above
// Create the attribute dictionary
Dictionary <string, object> plane2DAttributes = new Dictionary <string, object>();
// Set the angle for the plane graphic
plane2DAttributes["ANGLE"] = 0f;
// Create the graphic from the attributes and the initial point
_plane2D = new Graphic(new MapPoint(0, 0, SpatialReferences.Wgs84), plane2DAttributes);
// Add the plane graphic to the inset map via the overlay
insetMapOverlay.Graphics.Add(_plane2D);
try
{
// Create the model graphic for the plane
// Get the path to the 3D model
string modelPath = GetModelPath();
// Create the scene symbol from the path to the model
ModelSceneSymbol plane3DSymbol = await ModelSceneSymbol.CreateAsync(new Uri(modelPath), 1.0);
// Create the graphic with an initial location and the plane symbol
_plane3D = new Graphic(new MapPoint(0, 0, 0, SpatialReferences.Wgs84), plane3DSymbol);
// Add the plane to the overlay
sceneOverlay.Graphics.Add(_plane3D);
// Create the orbit camera controller to follow the plane
_orbitCameraController = new OrbitGeoElementCameraController(_plane3D, 20.0)
{
CameraPitchOffset = 75.0
};
MySceneView.CameraController = _orbitCameraController;
// Create a timer; this will enable animating the plane
_animationTimer = new DispatcherTimer()
{
// This is the duration of the timer in milliseconds. This controls the animation speed (fps)
Interval = new TimeSpan(0, 0, 0, 0, 60)
};
_animationTimer.Tick += AnimatePlane;
// Set the initial mission for when the sample loads
await ChangeMission(_missionToItemId.Keys.First());
}
catch (Exception e)
{
await new MessageDialog(e.ToString(), "Error").ShowAsync();
}
}
private async void Initialize()
{
// Create a map with a streets basemap.
Map map = new Map(Basemap.CreateStreets());
// Get the file name for the local raster dataset.
string filepath = GetRasterPath();
// Load the raster file
Raster rasterFile = new Raster(filepath);
// Create a new raster layer to show the image.
_rasterLayer = new RasterLayer(rasterFile);
try
{
// Once the layer is loaded, enable the button to apply a new renderer.
await _rasterLayer.LoadAsync();
ApplyRgbRendererButton.IsEnabled = true;
// Create a viewpoint with the raster's full extent.
Viewpoint fullRasterExtent = new Viewpoint(_rasterLayer.FullExtent);
// Set the initial viewpoint for the map.
map.InitialViewpoint = fullRasterExtent;
// Add the layer to the map.
map.OperationalLayers.Add(_rasterLayer);
// Add the map to the map view.
MyMapView.Map = map;
// Add available stretch types to the combo box.
StretchTypeComboBox.Items.Add("Min Max");
StretchTypeComboBox.Items.Add("Percent Clip");
StretchTypeComboBox.Items.Add("Standard Deviation");
// Select "Min Max" as the stretch type.
StretchTypeComboBox.SelectedIndex = 0;
// Create a range of values from 0-255.
List <int> minMaxValues = Enumerable.Range(0, 256).ToList();
// Fill the min and max red combo boxes with the range and set default values.
MinRedComboBox.ItemsSource = minMaxValues;
MinRedComboBox.SelectedValue = 0;
MaxRedComboBox.ItemsSource = minMaxValues;
MaxRedComboBox.SelectedValue = 255;
// Fill the min and max green combo boxes with the range and set default values.
MinGreenComboBox.ItemsSource = minMaxValues;
MinGreenComboBox.SelectedValue = 0;
MaxGreenComboBox.ItemsSource = minMaxValues;
MaxGreenComboBox.SelectedValue = 255;
// Fill the min and max blue combo boxes with the range and set default values.
MinBlueComboBox.ItemsSource = minMaxValues;
MinBlueComboBox.SelectedValue = 0;
MaxBlueComboBox.ItemsSource = minMaxValues;
MaxBlueComboBox.SelectedValue = 255;
// Fill the standard deviation factor combo box and set a default value.
IEnumerable <int> wholeStdDevs = Enumerable.Range(1, 10);
List <double> halfStdDevs = wholeStdDevs.Select(i => (double)i / 2).ToList();
StdDeviationFactorComboBox.ItemsSource = halfStdDevs;
StdDeviationFactorComboBox.SelectedValue = 2.0;
}
catch (Exception e)
{
MessageBox.Show(e.ToString(), "Error");
}
}
private void Initialize()
{
// Create new Scene
Scene myScene = new Scene
{
// Set Scene's base map property
Basemap = Basemap.CreateImagery()
};
// Create a camera with coordinates showing layer data
Camera camera = new Camera(53.05, -4.01, 1115, 299, 88, 0);
// Assign the Scene to the SceneView
_mySceneView.Scene = myScene;
// Create ElevationSource from elevation data Uri
ArcGISTiledElevationSource elevationSource = new ArcGISTiledElevationSource(
new Uri("https://elevation3d.arcgis.com/arcgis/rest/services/WorldElevation3D/Terrain3D/ImageServer"));
// Add elevationSource to BaseSurface's ElevationSources
_mySceneView.Scene.BaseSurface.ElevationSources.Add(elevationSource);
// Set view point of scene view using camera
_mySceneView.SetViewpointCameraAsync(camera);
// Create overlays with elevation modes
_drapedBillboardedOverlay = new GraphicsOverlay();
_drapedBillboardedOverlay.SceneProperties.SurfacePlacement = SurfacePlacement.DrapedBillboarded;
_mySceneView.GraphicsOverlays.Add(_drapedBillboardedOverlay);
_drapedFlatOverlay = new GraphicsOverlay();
_drapedFlatOverlay.SceneProperties.SurfacePlacement = SurfacePlacement.DrapedFlat;
GraphicsOverlay relativeOverlay = new GraphicsOverlay();
relativeOverlay.SceneProperties.SurfacePlacement = SurfacePlacement.Relative;
_mySceneView.GraphicsOverlays.Add(relativeOverlay);
GraphicsOverlay absoluteOverlay = new GraphicsOverlay();
absoluteOverlay.SceneProperties.SurfacePlacement = SurfacePlacement.Absolute;
_mySceneView.GraphicsOverlays.Add(absoluteOverlay);
// Create point for graphic location
MapPoint point = new MapPoint(-4.04, 53.06, 1000, camera.Location.SpatialReference);
// Create a red triangle symbol
SimpleMarkerSymbol triangleSymbol = new SimpleMarkerSymbol(SimpleMarkerSymbolStyle.Triangle, Color.FromArgb(255, 255, 0, 0), 10);
// Create a text symbol for each elevation mode
TextSymbol drapedBillboardedText = new TextSymbol("DRAPED BILLBOARDED", Color.FromArgb(255, 255, 255, 255), 10,
HorizontalAlignment.Center,
VerticalAlignment.Middle);
drapedBillboardedText.OffsetY += 20;
TextSymbol drapedFlatText = new TextSymbol("DRAPED FLAT", Color.FromArgb(255, 255, 255, 255), 10,
HorizontalAlignment.Center,
VerticalAlignment.Middle);
drapedFlatText.OffsetY += 20;
TextSymbol relativeText = new TextSymbol("RELATIVE", Color.FromArgb(255, 255, 255, 255), 10,
HorizontalAlignment.Center,
VerticalAlignment.Middle);
relativeText.OffsetY += 20;
TextSymbol absoluteText = new TextSymbol("ABSOLUTE", Color.FromArgb(255, 255, 255, 255), 10,
HorizontalAlignment.Center,
VerticalAlignment.Middle);
absoluteText.OffsetY += 20;
// Add the point graphic and text graphic to the corresponding graphics overlay
_drapedBillboardedOverlay.Graphics.Add(new Graphic(point, triangleSymbol));
_drapedBillboardedOverlay.Graphics.Add(new Graphic(point, drapedBillboardedText));
_drapedFlatOverlay.Graphics.Add(new Graphic(point, triangleSymbol));
_drapedFlatOverlay.Graphics.Add(new Graphic(point, drapedFlatText));
relativeOverlay.Graphics.Add(new Graphic(point, triangleSymbol));
relativeOverlay.Graphics.Add(new Graphic(point, relativeText));
absoluteOverlay.Graphics.Add(new Graphic(point, triangleSymbol));
absoluteOverlay.Graphics.Add(new Graphic(point, absoluteText));
}
private void Initialize()
{
// Show a streets basemap.
_myMapView.Map = new Map(Basemap.CreateStreets());
}
private void NewMapClicked(object sender, EventArgs e)
{
// Clear the map from the map view (allow the user to start over and save as a new portal item).
_myMapView.Map = new Map(Basemap.CreateLightGrayCanvas());
}
private async void Initialize()
{
try
{
// Disable the UI.
FilterOptions.Visibility = Visibility.Collapsed;
// Create and load the utility network.
_utilityNetwork = await UtilityNetwork.CreateAsync(new Uri(FeatureServiceUrl));
// Create a map with layers in this utility network.
MyMapView.Map = new Map(Basemap.CreateStreetsNightVector());
MyMapView.Map.OperationalLayers.Add(new FeatureLayer(new Uri($"{FeatureServiceUrl}/{LineLayerId}")));
MyMapView.Map.OperationalLayers.Add(new FeatureLayer(new Uri($"{FeatureServiceUrl}/{DeviceLayerId}")));
// Get a trace configuration from a tier.
UtilityDomainNetwork domainNetwork = _utilityNetwork.Definition.GetDomainNetwork(DomainNetworkName) ?? throw new ArgumentException(DomainNetworkName);
UtilityTier tier = domainNetwork.GetTier(TierName) ?? throw new ArgumentException(TierName);
_configuration = tier.TraceConfiguration;
// Create a trace filter.
_configuration.Filter = new UtilityTraceFilter();
// Get a default starting location.
UtilityNetworkSource networkSource = _utilityNetwork.Definition.GetNetworkSource(NetworkSourceName) ?? throw new ArgumentException(NetworkSourceName);
UtilityAssetGroup assetGroup = networkSource.GetAssetGroup(AssetGroupName) ?? throw new ArgumentException(AssetGroupName);
UtilityAssetType assetType = assetGroup.GetAssetType(AssetTypeName) ?? throw new ArgumentException(AssetTypeName);
Guid globalId = Guid.Parse(GlobalId);
_startingLocation = _utilityNetwork.CreateElement(assetType, globalId);
// Create a graphics overlay.
GraphicsOverlay overlay = new GraphicsOverlay();
MyMapView.GraphicsOverlays.Add(overlay);
// Display starting location.
IEnumerable <ArcGISFeature> elementFeatures = await _utilityNetwork.GetFeaturesForElementsAsync(new List <UtilityElement> {
_startingLocation
});
MapPoint startingLocationGeometry = elementFeatures.FirstOrDefault().Geometry as MapPoint;
Symbol symbol = new SimpleMarkerSymbol(SimpleMarkerSymbolStyle.Cross, System.Drawing.Color.LimeGreen, 25d);
Graphic graphic = new Graphic(startingLocationGeometry, symbol);
overlay.Graphics.Add(graphic);
// Set the starting viewpoint.
await MyMapView.SetViewpointAsync(new Viewpoint(startingLocationGeometry, 3000));
// Build the choice list for categories populated with the `Name` property of each `UtilityCategory` in the `UtilityNetworkDefinition`.
Categories.ItemsSource = _utilityNetwork.Definition.Categories;
Categories.SelectedItem = _utilityNetwork.Definition.Categories.First();
// Enable the UI.
FilterOptions.Visibility = Visibility.Visible;
}
catch (Exception ex)
{
await new MessageDialog(ex.Message, ex.GetType().Name).ShowAsync();
}
finally
{
LoadingBar.Visibility = Visibility.Collapsed;
}
}
private async Task Initialize()
{
// Create the scene with an imagery basemap.
_mySceneView.Scene = new Scene(Basemap.CreateImagery());
// Add the elevation surface.
ArcGISTiledElevationSource tiledElevationSource = new ArcGISTiledElevationSource(_elevationUri);
Surface baseSurface = new Surface
{
ElevationSources = { tiledElevationSource }
};
_mySceneView.Scene.BaseSurface = baseSurface;
// Add buildings.
_mySceneView.Scene.OperationalLayers.Add(new ArcGISSceneLayer(_buildingsUri));
// Configure the graphics overlay for the tank and add the overlay to the SceneView.
_tankOverlay.SceneProperties.SurfacePlacement = SurfacePlacement.Relative;
_mySceneView.GraphicsOverlays.Add(_tankOverlay);
// Configure the heading expression for the tank; this will allow the
// viewshed to update automatically based on the tank's position.
SimpleRenderer renderer3D = new SimpleRenderer();
renderer3D.SceneProperties.HeadingExpression = "[HEADING]";
_tankOverlay.Renderer = renderer3D;
// Create the tank graphic - get the model path.
string modelPath = GetModelPath();
// - Create the symbol and make it 10x larger (to be the right size relative to the scene).
ModelSceneSymbol tankSymbol = await ModelSceneSymbol.CreateAsync(new Uri(modelPath), 10);
// - Adjust the position.
tankSymbol.Heading = 90;
// - The tank will be positioned relative to the scene surface by its bottom
// This ensures that the tank is on the ground rather than partially under it.
tankSymbol.AnchorPosition = SceneSymbolAnchorPosition.Bottom;
// - Create the graphic.
_tank = new Graphic(new MapPoint(-4.506390, 48.385624, SpatialReferences.Wgs84), tankSymbol);
// - Update the heading.
_tank.Attributes["HEADING"] = 0.0;
// - Add the graphic to the overlay.
_tankOverlay.Graphics.Add(_tank);
// Create a viewshed for the tank.
GeoElementViewshed geoViewshed = new GeoElementViewshed(
geoElement: _tank,
horizontalAngle: 90.0,
verticalAngle: 40.0,
minDistance: 0.1,
maxDistance: 250.0,
headingOffset: 0.0,
pitchOffset: 0.0)
{
// Offset viewshed observer location to top of tank.
OffsetZ = 3.0
};
// Create the analysis overlay and add to the scene.
AnalysisOverlay overlay = new AnalysisOverlay();
overlay.Analyses.Add(geoViewshed);
_mySceneView.AnalysisOverlays.Add(overlay);
// Create a camera controller to orbit the tank.
OrbitGeoElementCameraController cameraController = new OrbitGeoElementCameraController(_tank, 200.0)
{
CameraPitchOffset = 45.0
};
// - Apply the camera controller to the SceneView.
_mySceneView.CameraController = cameraController;
// Create a timer; this will enable animating the tank.
Timer animationTimer = new Timer(60)
{
Enabled = true,
AutoReset = true
};
// - Move the tank every time the timer expires.
animationTimer.Elapsed += (o, e) =>
{
AnimateTank();
};
// - Start the timer.
animationTimer.Start();
// Allow the user to click to define a new destination.
_mySceneView.GeoViewTapped += (sender, args) => { _tankEndPoint = args.Location; };
}
private async void Initialize()
{
// Configure the basemap.
_myMapView.Map = new Map(Basemap.CreateTopographic());
// Create the graphics overlay.
_graphicsOverlay = new GraphicsOverlay();
// Add the overlay to the MapView.
_myMapView.GraphicsOverlays.Add(_graphicsOverlay);
// Update the selection color.
_myMapView.SelectionProperties.Color = Color.Yellow;
// Create the point collection that defines the polygon.
PointCollection polygonPoints = new PointCollection(SpatialReferences.WebMercator)
{
new MapPoint(-5991501.677830, 5599295.131468),
new MapPoint(-6928550.398185, 2087936.739807),
new MapPoint(-3149463.800709, 1840803.011362),
new MapPoint(-1563689.043184, 3714900.452072),
new MapPoint(-3180355.516764, 5619889.608838)
};
// Create the polygon.
Polygon polygonGeometry = new Polygon(polygonPoints);
// Define the symbology of the polygon.
SimpleLineSymbol polygonOutlineSymbol = new SimpleLineSymbol(SimpleLineSymbolStyle.Solid, System.Drawing.Color.Green, 2);
SimpleFillSymbol polygonFillSymbol = new SimpleFillSymbol(SimpleFillSymbolStyle.ForwardDiagonal, System.Drawing.Color.Green, polygonOutlineSymbol);
// Create the polygon graphic and add it to the graphics overlay.
_polygonGraphic = new Graphic(polygonGeometry, polygonFillSymbol);
_graphicsOverlay.Graphics.Add(_polygonGraphic);
// Create the point collection that defines the polyline.
PointCollection polylinePoints = new PointCollection(SpatialReferences.WebMercator)
{
new MapPoint(-4354240.726880, -609939.795721),
new MapPoint(-3427489.245210, 2139422.933233),
new MapPoint(-2109442.693501, 4301843.057130),
new MapPoint(-1810822.771630, 7205664.366363)
};
// Create the polyline.
Polyline polylineGeometry = new Polyline(polylinePoints);
// Create the polyline graphic and add it to the graphics overlay.
_polylineGraphic = new Graphic(polylineGeometry, new SimpleLineSymbol(SimpleLineSymbolStyle.Dash, System.Drawing.Color.Red, 4));
_graphicsOverlay.Graphics.Add(_polylineGraphic);
// Create the point geometry that defines the point graphic.
MapPoint pointGeometry = new MapPoint(-4487263.495911, 3699176.480377, SpatialReferences.WebMercator);
// Define the symbology for the point.
SimpleMarkerSymbol locationMarker = new SimpleMarkerSymbol(SimpleMarkerSymbolStyle.Circle, System.Drawing.Color.Blue, 10);
// Create the point graphic and add it to the graphics overlay.
_pointGraphic = new Graphic(pointGeometry, locationMarker);
_graphicsOverlay.Graphics.Add(_pointGraphic);
try
{
// Set the viewpoint to center on the point.
await _myMapView.SetViewpointAsync(new Viewpoint(pointGeometry, 200000000));
}
catch (Exception e)
{
new UIAlertView("Error", e.ToString(), (IUIAlertViewDelegate)null, "OK", null).Show();
}
}
private void Initialize()
{
// Show an imagery basemap.
MyMapView.Map = new Map(Basemap.CreateImagery());
}
private async void Initialize()
{
// Create new map with the streets basemap
Map myMap = new Map(Basemap.CreateStreets());
// Create a Uri to the image service raster
Uri myUri = new Uri("https://sampleserver6.arcgisonline.com/arcgis/rest/services/NLCDLandCover2001/ImageServer");
// Create new image service raster from the Uri
ImageServiceRaster myImageServiceRaster = new ImageServiceRaster(myUri);
try
{
// Load the image service raster
await myImageServiceRaster.LoadAsync();
// NOTE: This is the ASCII text for actual raw JSON string:
// ========================================================
//{
// "raster_function_arguments":
// {
// "z_factor":{"double":25.0,"type":"Raster_function_variable"},
// "slope_type":{"raster_slope_type":"none","type":"Raster_function_variable"},
// "azimuth":{"double":315,"type":"Raster_function_variable"},
// "altitude":{"double":45,"type":"Raster_function_variable"},
// "type":"Raster_function_arguments",
// "raster":{"name":"raster","is_raster":true,"type":"Raster_function_variable"},
// "nbits":{"int":8,"type":"Raster_function_variable"}
// },
// "raster_function":{"type":"Hillshade_function"},
// "type":"Raster_function_template"
//}
// Define the JSON string needed for the raster function
string theJSON_String =
@"{
""raster_function_arguments"":
{
""z_factor"":{ ""double"":25.0,""type"":""Raster_function_variable""},
""slope_type"":{ ""raster_slope_type"":""none"",""type"":""Raster_function_variable""},
""azimuth"":{ ""double"":315,""type"":""Raster_function_variable""},
""altitude"":{ ""double"":45,""type"":""Raster_function_variable""},
""type"":""Raster_function_arguments"",
""raster"":{ ""name"":""raster"",""is_raster"":true,""type"":""Raster_function_variable""},
""nbits"":{ ""int"":8,""type"":""Raster_function_variable""}
},
""raster_function"":{ ""type"":""Hillshade_function""},
""type"":""Raster_function_template""
}";
// Create a raster function from the JSON string using the static/Shared method called: RasterFunction.FromJson(json as String)
RasterFunction myRasterFunction = RasterFunction.FromJson(theJSON_String);
// NOTE: Depending on your platform/device, you could have alternatively created the raster function via a JSON string that is contained in a
// file on disk (ex: hillshade_simplified.json) via the constructor: Esri.ArcGISRuntime.Rasters.RasterFunction(path as String)
// Get the raster function arguments
RasterFunctionArguments myRasterFunctionArguments = myRasterFunction.Arguments;
// Get the list of names from the raster function arguments
IReadOnlyList <string> myRasterNames = myRasterFunctionArguments.GetRasterNames();
// Apply the first raster name and image service raster in the raster function arguments
myRasterFunctionArguments.SetRaster(myRasterNames[0], myImageServiceRaster);
// Create a new raster based on the raster function
Raster myRaster = new Raster(myRasterFunction);
// Create a new raster layer from the raster
RasterLayer myRasterLayer = new RasterLayer(myRaster);
// Add the raster layer to the maps layer collection
myMap.Basemap.BaseLayers.Add(myRasterLayer);
// Assign the map to the map view
_myMapView.Map = myMap;
// Get the service information (aka. metadata) about the image service raster
ArcGISImageServiceInfo myArcGISImageServiceInfo = myImageServiceRaster.ServiceInfo;
// Zoom the map to the extent of the image service raster (which also the extent of the raster layer)
await _myMapView.SetViewpointGeometryAsync(myArcGISImageServiceInfo.FullExtent);
// NOTE: The sample zooms to the extent of the ImageServiceRaster. Currently the ArcGIS Runtime does not
// support zooming a RasterLayer out beyond 4 times it's published level of detail. The sample uses
// MapView.SetViewpointCenterAsync() method to ensure the image shows when the app starts. You can see
// the effect of the image service not showing when you zoom out to the full extent of the image and beyond.
}
catch (Exception e)
{
new AlertDialog.Builder(this).SetMessage(e.ToString()).SetTitle("Error").Show();
}
}
private async void Initialize()
{
// Create a map with a light gray canvas basemap.
Map sampleMap = new Map(Basemap.CreateLightGrayCanvas())
{
InitialViewpoint = new Viewpoint(new MapPoint(-100.175709, 39.221225, SpatialReferences.Wgs84), 20000000)
};
// Assign the map to the MapView.
_myMapView.Map = sampleMap;
// Define the URL string for the US highways feature layer.
string highwaysUrlString = "http://sampleserver6.arcgisonline.com/arcgis/rest/services/USA/MapServer/1";
// Create a service feature table from the URL to the US highways feature service.
ServiceFeatureTable highwaysServiceFeatureTable = new ServiceFeatureTable(new Uri(highwaysUrlString));
// Create a feature layer from the service feature table.
FeatureLayer highwaysFeatureLayer = new FeatureLayer(highwaysServiceFeatureTable);
// Add the US highways feature layer to the operations layers collection of the map.
sampleMap.OperationalLayers.Add(highwaysFeatureLayer);
// Load the US highways feature layer - this way we can obtain it's extent.
await highwaysFeatureLayer.LoadAsync();
// Help regarding the JSON syntax for defining the LabelDefinition.FromJson syntax can be found here:
// https://developers.arcgis.com/web-map-specification/objects/labelingInfo/
// This particular JSON string will have the following characteristics:
// (1) The 'labelExpressionInfo' defines that the label text displayed comes from the field 'rte_num1' in the
// feature service and will be prefaced with an "I -". Example: "I - 10", "I - 15", "I - 95", etc.
// (2) The 'labelPlacement' will be placed above and along the highway polyline segment.
// (3) The 'where' clause restricts the labels to be displayed that has valid (non-empty) data. Empty data
// for this service has a single blank space in the 'rte_num1' field.
// (4) The 'symbol' for the labeled text will be blue with a yellow halo.
string theJsonString =
@"{
""labelExpressionInfo"":{""expression"":""'I - ' + $feature.rte_num1""},
""labelPlacement"":""esriServerLinePlacementAboveAlong"",
""where"":""rte_num1 <> ' '"",
""symbol"":
{
""angle"":0,
""backgroundColor"":[0,0,0,0],
""borderLineColor"":[0,0,0,0],
""borderLineSize"":0,
""color"":[0,0,255,255],
""font"":
{
""decoration"":""none"",
""size"":15,
""style"":""normal"",
""weight"":""normal""
},
""haloColor"":[255,255,0,255],
""haloSize"":1.5,
""horizontalAlignment"":""center"",
""kerning"":false,
""type"":""esriTS"",
""verticalAlignment"":""middle"",
""xoffset"":0,
""yoffset"":0
}
}";
// Create a label definition from the JSON string.
LabelDefinition highwaysLabelDefinition = LabelDefinition.FromJson(theJsonString);
// Add the label definition to the feature layer's label definition collection.
highwaysFeatureLayer.LabelDefinitions.Add(highwaysLabelDefinition);
// Enable the visibility of labels to be seen.
highwaysFeatureLayer.LabelsEnabled = true;
}
private async void Initialize()
{
// Create a new Map with a vector streets basemap.
Map myMap = new Map(Basemap.CreateStreetsVector());
// Create the URI to the Service Requests map service.
Uri serviceRequestUri = new Uri("https://sampleserver6.arcgisonline.com/arcgis/rest/services/ServiceRequest/MapServer");
// Create a new ArcGISMapImageLayer that uses the service URI.
ArcGISMapImageLayer serviceRequestsMapImageLayer = new ArcGISMapImageLayer(serviceRequestUri);
try
{
// Load all sublayers and tables contained by the map image layer.
await serviceRequestsMapImageLayer.LoadTablesAndLayersAsync();
// Set the initial map extent to the extent of all service request features.
Envelope requestsExtent = serviceRequestsMapImageLayer.FullExtent;
myMap.InitialViewpoint = new Viewpoint(requestsExtent);
// Add the layer to the map.
myMap.OperationalLayers.Add(serviceRequestsMapImageLayer);
// Get the service request comments table from the map image layer.
ServiceFeatureTable commentsTable = serviceRequestsMapImageLayer.Tables[0];
// Create query parameters to get all non-null service request comment records (features) from the table.
QueryParameters queryToGetNonNullComments = new QueryParameters
{
WhereClause = "requestid <> '' AND comments <> ''"
};
// Query the comments table to get the non-null records.
FeatureQueryResult commentQueryResult = await commentsTable.QueryFeaturesAsync(queryToGetNonNullComments, QueryFeatureFields.LoadAll);
// Show the records from the service request comments table in the UITableView control.
foreach (ArcGISFeature commentFeature in commentQueryResult)
{
_serviceRequestComments.Add(commentFeature);
}
// Create the table view source that uses the list of features.
_commentsTableSource = new ServiceRequestCommentsTableSource(_serviceRequestComments);
// Assign the table view source to the table view control.
_tableView.Source = _commentsTableSource;
// Subscribe to event.
_commentsTableSource.ServiceRequestCommentSelected += CommentsTableSource_ServiceRequestCommentSelected;
// Create a graphics overlay to show selected features and add it to the map view.
_selectedFeaturesOverlay = new GraphicsOverlay();
_myMapView.GraphicsOverlays.Add(_selectedFeaturesOverlay);
// Assign the map to the MapView.
_myMapView.Map = myMap;
// Reload the table view data to refresh the display.
_tableView.ReloadData();
}
catch (Exception e)
{
new UIAlertView("Error", e.ToString(), (IUIAlertViewDelegate)null, "OK", null).Show();
}
}
private void Initialize()
{
_viewHeight = HeightSlider.Value;
// Create the scene with the imagery basemap.
Scene myScene = new Scene(Basemap.CreateImagery());
MySceneView.Scene = myScene;
// Add the surface elevation.
Surface mySurface = new Surface();
mySurface.ElevationSources.Add(new ArcGISTiledElevationSource(_localElevationImageService));
myScene.BaseSurface = mySurface;
// Add the scene layer.
ArcGISSceneLayer sceneLayer = new ArcGISSceneLayer(_buildingsUrl);
myScene.OperationalLayers.Add(sceneLayer);
// Create the MapPoint representing the initial location.
MapPoint initialLocation = new MapPoint(-4.5, 48.4, 46 + _viewHeight);
// Create the location viewshed analysis.
_viewshed = new LocationViewshed(
initialLocation,
HeadingSlider.Value,
PitchSlider.Value,
HorizontalAngleSlider.Value,
VerticalAngleSlider.Value,
MinimumDistanceSlider.Value,
MaximumDistanceSlider.Value);
// Create a camera based on the initial location.
Camera camera = new Camera(initialLocation, 200.0, 20.0, 70.0, 0.0);
// Create a symbol for the viewpoint.
_viewpointSymbol = SimpleMarkerSceneSymbol.CreateSphere(Color.Blue, 10, SceneSymbolAnchorPosition.Center);
// Add the symbol to the viewpoint overlay.
_viewpointOverlay = new GraphicsOverlay();
_viewpointOverlay.SceneProperties = new LayerSceneProperties(SurfacePlacement.Absolute);
_viewpointOverlay.Graphics.Add(new Graphic(initialLocation, _viewpointSymbol));
// Apply the camera to the scene view.
MySceneView.SetViewpointCamera(camera);
// Create an analysis overlay for showing the viewshed analysis.
_analysisOverlay = new AnalysisOverlay();
// Add the viewshed analysis to the overlay.
_analysisOverlay.Analyses.Add(_viewshed);
// Add the analysis overlay to the SceneView.
MySceneView.AnalysisOverlays.Add(_analysisOverlay);
// Add the graphics overlay
MySceneView.GraphicsOverlays.Add(_viewpointOverlay);
// Update the frustum outline Color.
// The frustum outline shows the volume in which the viewshed analysis is performed.
Viewshed.FrustumOutlineColor = Color.Blue;
// Subscribe to tap events. This enables the 'pick up' and 'drop' workflow for moving the viewpoint.
MySceneView.GeoViewTapped += MySceneViewOnGeoViewTapped;
}
private async void Initialize()
{
try
{
// Add event handler for when this sample is unloaded.
Unloaded += SampleUnloaded;
// Create the map view.
MyMapView.Map = new Map(Basemap.CreateNavigationVector());
// Create the route task, using the online routing service.
RouteTask routeTask = await RouteTask.CreateAsync(_routingUri);
// Get the default route parameters.
RouteParameters routeParams = await routeTask.CreateDefaultParametersAsync();
// Explicitly set values for parameters.
routeParams.ReturnDirections = true;
routeParams.ReturnStops = true;
routeParams.ReturnRoutes = true;
routeParams.OutputSpatialReference = SpatialReferences.Wgs84;
// Create stops for each location.
Stop stop1 = new Stop(_conventionCenter)
{
Name = "San Diego Convention Center"
};
Stop stop2 = new Stop(_memorial)
{
Name = "USS San Diego Memorial"
};
Stop stop3 = new Stop(_aerospaceMuseum)
{
Name = "RH Fleet Aerospace Museum"
};
// Assign the stops to the route parameters.
List <Stop> stopPoints = new List <Stop> {
stop1, stop2, stop3
};
routeParams.SetStops(stopPoints);
// Get the route results.
_routeResult = await routeTask.SolveRouteAsync(routeParams);
_route = _routeResult.Routes[0];
// Add a graphics overlay for the route graphics.
MyMapView.GraphicsOverlays.Add(new GraphicsOverlay());
// Add graphics for the stops.
SimpleMarkerSymbol stopSymbol = new SimpleMarkerSymbol(SimpleMarkerSymbolStyle.Diamond, Color.OrangeRed, 20);
MyMapView.GraphicsOverlays[0].Graphics.Add(new Graphic(_conventionCenter, stopSymbol));
MyMapView.GraphicsOverlays[0].Graphics.Add(new Graphic(_memorial, stopSymbol));
MyMapView.GraphicsOverlays[0].Graphics.Add(new Graphic(_aerospaceMuseum, stopSymbol));
// Create a graphic (with a dashed line symbol) to represent the route.
_routeAheadGraphic = new Graphic(_route.RouteGeometry)
{
Symbol = new SimpleLineSymbol(SimpleLineSymbolStyle.Dash, Color.BlueViolet, 5)
};
// Create a graphic (solid) to represent the route that's been traveled (initially empty).
_routeTraveledGraphic = new Graphic {
Symbol = new SimpleLineSymbol(SimpleLineSymbolStyle.Solid, Color.LightBlue, 3)
};
// Add the route graphics to the map view.
MyMapView.GraphicsOverlays[0].Graphics.Add(_routeAheadGraphic);
MyMapView.GraphicsOverlays[0].Graphics.Add(_routeTraveledGraphic);
// Set the map viewpoint to show the entire route.
await MyMapView.SetViewpointGeometryAsync(_route.RouteGeometry, 100);
// Enable the navigation button.
StartNavigationButton.IsEnabled = true;
}
catch (Exception e)
{
await new MessageDialog(e.Message, "Error").ShowAsync();
}
}
private void Initialize()
{
// Create and show a new map using the WebMercator spatial reference.
Map newMap = new Map(SpatialReferences.WebMercator)
{
// Set the basemap of the map to be a topographic layer.
Basemap = Basemap.CreateTopographic()
};
// Create a graphics overlay to hold the input geometries for the clip operation.
_inputGeometriesGraphicsOverlay = new GraphicsOverlay();
// Add the input geometries graphics overlay to the MapView.
_myMapView.GraphicsOverlays.Add(_inputGeometriesGraphicsOverlay);
// Create a graphics overlay to hold the resulting geometries from the three GeometryEngine.Clip operations.
_clipAreasGraphicsOverlay = new GraphicsOverlay();
// Add the resulting geometries graphics overlay to the MapView.
_myMapView.GraphicsOverlays.Add(_clipAreasGraphicsOverlay);
// Create a simple line symbol for the 1st parameter of the GeometryEngine.Clip operation - it follows the
// boundary of Colorado.
SimpleLineSymbol coloradoSimpleLineSymbol = new SimpleLineSymbol(SimpleLineSymbolStyle.Solid, System.Drawing.Color.Blue, 4);
// Create the color that will be used as the fill for the Colorado graphic. It will be a semi-transparent, blue color.
System.Drawing.Color coloradoFillColor = System.Drawing.Color.FromArgb(34, 0, 0, 255);
// Create the simple fill symbol for the Colorado graphic - comprised of a fill style, fill color and outline.
SimpleFillSymbol coloradoSimpleFillSymbol = new SimpleFillSymbol(SimpleFillSymbolStyle.Solid, coloradoFillColor, coloradoSimpleLineSymbol);
// Create the geometry of the Colorado graphic.
Envelope colorado = new Envelope(
new MapPoint(-11362327.128340, 5012861.290274, SpatialReferences.WebMercator),
new MapPoint(-12138232.018408, 4441198.773776, SpatialReferences.WebMercator));
// Create the graphic for Colorado - comprised of a polygon shape and fill symbol.
_coloradoGraphic = new Graphic(colorado, coloradoSimpleFillSymbol);
// Add the Colorado graphic to the input geometries graphics overlay collection.
_inputGeometriesGraphicsOverlay.Graphics.Add(_coloradoGraphic);
// Create a simple line symbol for the three different clip geometries.
SimpleLineSymbol clipGeometriesLineSymbol = new SimpleLineSymbol(
SimpleLineSymbolStyle.Dot, System.Drawing.Color.Red, 5);
// Create an envelope outside Colorado.
Envelope outsideEnvelope = new Envelope(
new MapPoint(-11858344.321294, 5147942.225174, SpatialReferences.WebMercator),
new MapPoint(-12201990.219681, 5297071.577304, SpatialReferences.WebMercator)
);
// Create the graphic for an envelope outside Colorado - comprised of a polyline shape and line symbol.
_outsideGraphic = new Graphic(outsideEnvelope, clipGeometriesLineSymbol);
// Add the envelope outside Colorado graphic to the graphics overlay collection.
_inputGeometriesGraphicsOverlay.Graphics.Add(_outsideGraphic);
// Create an envelope intersecting Colorado.
Envelope intersectingEnvelope = new Envelope(
new MapPoint(-11962086.479298, 4566553.881363, SpatialReferences.WebMercator),
new MapPoint(-12260345.183558, 4332053.378376, SpatialReferences.WebMercator)
);
// Create the graphic for an envelope intersecting Colorado - comprised of a polyline shape and line symbol.
_intersectingGraphic = new Graphic(intersectingEnvelope, clipGeometriesLineSymbol);
// Add the envelope intersecting Colorado graphic to the graphics overlay collection.
_inputGeometriesGraphicsOverlay.Graphics.Add(_intersectingGraphic);
// Create a envelope inside Colorado.
Envelope containedEnvelope = new Envelope(
new MapPoint(-11655182.595204, 4741618.772994, SpatialReferences.WebMercator),
new MapPoint(-11431488.567009, 4593570.068343, SpatialReferences.WebMercator)
);
// Create the graphic for an envelope inside Colorado - comprised of a polyline shape and line symbol.
_containedGraphic = new Graphic(containedEnvelope, clipGeometriesLineSymbol);
// Add the envelope inside Colorado graphic to the graphics overlay collection.
_inputGeometriesGraphicsOverlay.Graphics.Add(_containedGraphic);
// Get the extent of all of the graphics in the graphics overlay with a little padding to used as the initial zoom extent of the map.
Geometry visibleExtent = GetExtentOfGraphicsOverlay(_inputGeometriesGraphicsOverlay, 1.3, SpatialReferences.WebMercator);
// Set the initial visual extent of the map view to the extent of the graphics overlay.
newMap.InitialViewpoint = new Viewpoint(visibleExtent);
// Assign the map to the MapView.
_myMapView.Map = newMap;
}
private async void Initialize()
{
// Create the scene with an imagery basemap.
MySceneView.Scene = new Scene(Basemap.CreateImagery());
// Add the elevation surface.
ArcGISTiledElevationSource tiledElevationSource = new ArcGISTiledElevationSource(_elevationUri);
Surface baseSurface = new Surface
{
ElevationSources = { tiledElevationSource }
};
MySceneView.Scene.BaseSurface = baseSurface;
// Add buildings.
ArcGISSceneLayer sceneLayer = new ArcGISSceneLayer(_buildingsUri);
MySceneView.Scene.OperationalLayers.Add(sceneLayer);
await sceneLayer.LoadAsync();
// Configure the graphics overlay for the tank and add the overlay to the SceneView.
_tankOverlay.SceneProperties.SurfacePlacement = SurfacePlacement.Relative;
MySceneView.GraphicsOverlays.Add(_tankOverlay);
// Configure the heading expression for the tank; this will allow the
// viewshed to update automatically based on the tank's position.
SimpleRenderer renderer3D = new SimpleRenderer();
renderer3D.SceneProperties.HeadingExpression = "[HEADING]";
_tankOverlay.Renderer = renderer3D;
try
{
// Create the tank graphic - get the model path.
string modelPath = GetModelPath();
// - Create the symbol and make it 10x larger (to be the right size relative to the scene).
ModelSceneSymbol tankSymbol = await ModelSceneSymbol.CreateAsync(new Uri(modelPath), 10);
// - Adjust the position.
tankSymbol.Heading = 90;
// - The tank will be positioned relative to the scene surface by its bottom.
// This ensures that the tank is on the ground rather than partially under it.
tankSymbol.AnchorPosition = SceneSymbolAnchorPosition.Bottom;
// - Create the graphic.
_tank = new Graphic(new MapPoint(28.047199, -26.189105, SpatialReferences.Wgs84), tankSymbol);
// - Update the heading.
_tank.Attributes["HEADING"] = 0.0;
// - Add the graphic to the overlay.
_tankOverlay.Graphics.Add(_tank);
// Create a viewshed for the tank.
GeoElementViewshed geoViewshed = new GeoElementViewshed(
geoElement: _tank,
horizontalAngle: 90.0,
verticalAngle: 40.0,
minDistance: 0.1,
maxDistance: 250.0,
headingOffset: 0.0,
pitchOffset: 0.0)
{
// Offset viewshed observer location to top of tank.
OffsetZ = 3.0
};
// Create the analysis overlay and add to the scene.
AnalysisOverlay overlay = new AnalysisOverlay();
overlay.Analyses.Add(geoViewshed);
MySceneView.AnalysisOverlays.Add(overlay);
// Create a camera controller to orbit the tank.
OrbitGeoElementCameraController cameraController = new OrbitGeoElementCameraController(_tank, 200.0)
{
CameraPitchOffset = 45.0
};
// - Apply the camera controller to the SceneView.
MySceneView.CameraController = cameraController;
// Create a timer; this will enable animating the tank.
Device.StartTimer(new TimeSpan(0, 0, 0, 0, 60), () =>
{
// Move the tank every time the timer elapses.
AnimateTank();
// Keep the timer running.
return(true);
});
// Allow the user to click to define a new destination.
MySceneView.GeoViewTapped += (sender, args) => { _tankEndPoint = args.Location; };
}
catch (Exception e)
{
await Application.Current.MainPage.DisplayAlert("Error", e.ToString(), "OK");
}
}
private async void Initialize()
{
// Create scene
Scene myScene = new Scene(Basemap.CreateImageryWithLabels())
{
InitialViewpoint = new Viewpoint(_observerPoint, 1600)
};
// Set initial viewpoint
// Create the elevation source
ElevationSource myElevationSource = new ArcGISTiledElevationSource(_elevationUri);
// Add the elevation source to the scene
myScene.BaseSurface.ElevationSources.Add(myElevationSource);
// Create the building scene layer
ArcGISSceneLayer mySceneLayer = new ArcGISSceneLayer(_buildingsUri);
// Add the building layer to the scene
myScene.OperationalLayers.Add(mySceneLayer);
// Add the observer to the scene
// Create a graphics overlay with relative surface placement; relative surface placement allows the Z position of the observation point to be adjusted
GraphicsOverlay overlay = new GraphicsOverlay()
{
SceneProperties = new LayerSceneProperties(SurfacePlacement.Relative)
};
// Create the symbol that will symbolize the observation point
SimpleMarkerSceneSymbol symbol = new SimpleMarkerSceneSymbol(SimpleMarkerSceneSymbolStyle.Sphere, System.Drawing.Color.Red, 10, 10, 10, SceneSymbolAnchorPosition.Bottom);
// Create the observation point graphic from the point and symbol
_observerGraphic = new Graphic(_observerPoint, symbol);
// Add the observer to the overlay
overlay.Graphics.Add(_observerGraphic);
// Add the overlay to the scene
_mySceneView.GraphicsOverlays.Add(overlay);
try
{
// Add the taxi to the scene
// Create the model symbol for the taxi
ModelSceneSymbol taxiSymbol = await ModelSceneSymbol.CreateAsync(new Uri(GetModelUri()));
// Set the anchor position for the mode; ensures that the model appears above the ground
taxiSymbol.AnchorPosition = SceneSymbolAnchorPosition.Bottom;
// Create the graphic from the taxi starting point and the symbol
_taxiGraphic = new Graphic(_points[0], taxiSymbol);
// Add the taxi graphic to the overlay
overlay.Graphics.Add(_taxiGraphic);
// Create GeoElement Line of sight analysis (taxi to building)
// Create the analysis
_geoLine = new GeoElementLineOfSight(_observerGraphic, _taxiGraphic)
{
TargetOffsetZ = 2
};
// Apply an offset to the target. This helps avoid some false negatives
// Create the analysis overlay
AnalysisOverlay myAnalysisOverlay = new AnalysisOverlay();
// Add the analysis to the overlay
myAnalysisOverlay.Analyses.Add(_geoLine);
// Add the analysis overlay to the scene
_mySceneView.AnalysisOverlays.Add(myAnalysisOverlay);
// Create a timer; this will enable animating the taxi
Timer timer = new Timer(60);
// Move the taxi every time the timer expires
timer.Elapsed += AnimationTimer_Elapsed;
// Keep the timer running continuously
timer.AutoReset = true;
// Start the timer
timer.Start();
// Subscribe to TargetVisible events; allows for updating the UI and selecting the taxi when it is visible
_geoLine.TargetVisibilityChanged += Geoline_TargetVisibilityChanged;
// Add the scene to the view
_mySceneView.Scene = myScene;
}
catch (Exception e)
{
new AlertDialog.Builder(this).SetMessage(e.ToString()).SetTitle("Error").Show();
}
}
public CompassSceneViewSample()
{
InitializeComponent();
sceneView.Scene = new Scene(Basemap.CreateImagery());
}
private async void Initialize()
{
// Apply initial display settings
UpdateDisplaySettings();
// Initialize the map with an oceans basemap
MyMapView.Map = new Map(Basemap.CreateOceans());
// Get the path to the ENC Exchange Set
string encPath = DataManager.GetDataFolder("9d2987a825c646468b3ce7512fb76e2d", "ExchangeSetwithoutUpdates", "ENC_ROOT",
"CATALOG.031");
// Create the Exchange Set
// Note: this constructor takes an array of paths because so that update sets can be loaded alongside base data
EncExchangeSet myEncExchangeSet = new EncExchangeSet(encPath);
try
{
// Wait for the exchange set to load
await myEncExchangeSet.LoadAsync();
// Store a list of data set extent's - will be used to zoom the mapview to the full extent of the Exchange Set
List <Envelope> dataSetExtents = new List <Envelope>();
// Add each data set as a layer
foreach (EncDataset myEncDataSet in myEncExchangeSet.Datasets)
{
// Create the cell and layer
EncLayer myEncLayer = new EncLayer(new EncCell(myEncDataSet));
// Add the layer to the map
MyMapView.Map.OperationalLayers.Add(myEncLayer);
// Wait for the layer to load
await myEncLayer.LoadAsync();
// Add the extent to the list of extents
dataSetExtents.Add(myEncLayer.FullExtent);
}
// Use the geometry engine to compute the full extent of the ENC Exchange Set
Envelope fullExtent = GeometryEngine.CombineExtents(dataSetExtents);
// Set the viewpoint
MyMapView.SetViewpoint(new Viewpoint(fullExtent));
// Subscribe to notifications about leaving so that settings can be re-set
this.Unloaded += Sample_Unloaded;
// Enable changing the settings on user interaction
DayRadioButton.Checked += Setting_Checked;
NightRadioButton.Checked += Setting_Checked;
DuskRadioButton.Checked += Setting_Checked;
PlainAreaRadioButton.Checked += Setting_Checked;
SymbolizedAreaRadioButton.Checked += Setting_Checked;
PaperchartRadioButton.Checked += Setting_Checked;
SimplifiedRadioButton.Checked += Setting_Checked;
}
catch (Exception e)
{
MessageBox.Show(e.ToString(), "Error");
}
}
private async void Initialize()
{
try
{
// Create a tile cache and load it with the SanFrancisco streets tpk.
TileCache tileCache = new TileCache(DataManager.GetDataFolder("3f1bbf0ec70b409a975f5c91f363fe7d", "SanFrancisco.tpk"));
// Create the corresponding layer based on the tile cache.
ArcGISTiledLayer tileLayer = new ArcGISTiledLayer(tileCache);
// Create the basemap based on the tile cache.
Basemap sfBasemap = new Basemap(tileLayer);
// Create the map with the tile-based basemap.
Map map = new Map(sfBasemap);
// Assign the map to the MapView.
_myMapView.Map = map;
// Create a new symbol for the extent graphic.
SimpleLineSymbol lineSymbol = new SimpleLineSymbol(SimpleLineSymbolStyle.Solid, Color.Red, 2);
// Create graphics overlay for the extent graphic and apply a renderer.
GraphicsOverlay extentOverlay = new GraphicsOverlay
{
Renderer = new SimpleRenderer(lineSymbol)
};
// Add graphics overlay to the map view.
_myMapView.GraphicsOverlays.Add(extentOverlay);
// Set up an event handler for 'tapped' events.
_myMapView.GeoViewTapped += GeoViewTapped;
// Set up an event handler for when the viewpoint (extent) changes.
_myMapView.ViewpointChanged += MapViewExtentChanged;
// Create a task for generating a geodatabase (GeodatabaseSyncTask).
_gdbSyncTask = await GeodatabaseSyncTask.CreateAsync(_featureServiceUri);
// Add all graphics from the service to the map.
foreach (IdInfo layer in _gdbSyncTask.ServiceInfo.LayerInfos)
{
// Get the Uri for this particular layer.
Uri onlineTableUri = new Uri(_featureServiceUri + "/" + layer.Id);
// Create the ServiceFeatureTable.
ServiceFeatureTable onlineTable = new ServiceFeatureTable(onlineTableUri);
// Wait for the table to load.
await onlineTable.LoadAsync();
// Add the layer to the map's operational layers if load succeeds.
if (onlineTable.LoadStatus == Esri.ArcGISRuntime.LoadStatus.Loaded)
{
map.OperationalLayers.Add(new FeatureLayer(onlineTable));
}
}
// Update the graphic - needed in case the user decides not to interact before pressing the button.
UpdateMapExtent();
// Enable the generate button now that the sample is ready.
_generateButton.Enabled = true;
}
catch (Exception ex)
{
ShowStatusMessage(ex.ToString());
}
}
private void Initialize()
{
Map map = new Map(Basemap.CreateTopographic());
MyMapView.Map = map;
}
private async void Initialize()
{
try
{
// Construct the map and set the MapView.Map property.
MyMapView.Map = new Map(Basemap.CreateLightGrayCanvasVector());
// Add a graphics overlay to MyMapView. (Will be used later to display routes)
MyMapView.GraphicsOverlays.Add(new GraphicsOverlay());
// Create a ClosestFacilityTask using the San Diego Uri.
_task = await ClosestFacilityTask.CreateAsync(_closestFacilityUri);
// Create a symbol for displaying facilities.
PictureMarkerSymbol facilitySymbol = new PictureMarkerSymbol(new Uri("https://static.arcgis.com/images/Symbols/SafetyHealth/FireStation.png"))
{
Height = 30,
Width = 30
};
// Incident symbol.
PictureMarkerSymbol incidentSymbol = new PictureMarkerSymbol(new Uri("https://static.arcgis.com/images/Symbols/SafetyHealth/esriCrimeMarker_56_Gradient.png"))
{
Height = 30,
Width = 30
};
// Create a list of line symbols to show unique routes. Different colors help make different routes visually distinguishable.
_routeSymbols = new List <SimpleLineSymbol>()
{
new SimpleLineSymbol(SimpleLineSymbolStyle.Solid, System.Drawing.Color.FromArgb(125, 25, 45, 85), 5.0f),
new SimpleLineSymbol(SimpleLineSymbolStyle.Solid, System.Drawing.Color.FromArgb(125, 35, 65, 120), 5.0f),
new SimpleLineSymbol(SimpleLineSymbolStyle.Solid, System.Drawing.Color.FromArgb(125, 55, 100, 190), 5.0f),
new SimpleLineSymbol(SimpleLineSymbolStyle.Solid, System.Drawing.Color.FromArgb(125, 75, 140, 255), 5.0f)
};
// Create a table for facilities using the FeatureServer.
_facilityTable = new ServiceFeatureTable(_facilityUri);
// Create a feature layer from the table.
_facilityLayer = new FeatureLayer(_facilityTable)
{
Renderer = new SimpleRenderer(facilitySymbol)
};
// Create a table for facilities using the FeatureServer.
_incidentTable = new ServiceFeatureTable(_incidentUri);
// Create a feature layer from the table.
_incidentLayer = new FeatureLayer(_incidentTable)
{
Renderer = new SimpleRenderer(incidentSymbol)
};
// Add the layers to the map.
MyMapView.Map.OperationalLayers.Add(_facilityLayer);
MyMapView.Map.OperationalLayers.Add(_incidentLayer);
// Wait for both layers to load.
await _facilityLayer.LoadAsync();
await _incidentLayer.LoadAsync();
// Zoom to the combined extent of both layers.
Envelope fullExtent = GeometryEngine.CombineExtents(_facilityLayer.FullExtent, _incidentLayer.FullExtent);
await MyMapView.SetViewpointGeometryAsync(fullExtent, 50);
// Enable the solve button.
SolveRoutesButton.IsEnabled = true;
}
catch (Exception exception)
{
await Application.Current.MainPage.DisplayAlert("Error", "An exception has occurred.\n" + exception.Message, "OK");
}
}
private void Initialize()
{
// Configure the basemap
MyMapView.Map = new Map(Basemap.CreateTopographic());
// Create the graphics overlay
_graphicsOverlay = new GraphicsOverlay();
// Add the overlay to the MapView
MyMapView.GraphicsOverlays.Add(_graphicsOverlay);
// Update the selection color
MyMapView.SelectionProperties.Color = Color.Yellow;
// Create the point collection that defines the polygon
PointCollection polygonPoints = new PointCollection(SpatialReferences.WebMercator)
{
new MapPoint(-5991501.677830, 5599295.131468),
new MapPoint(-6928550.398185, 2087936.739807),
new MapPoint(-3149463.800709, 1840803.011362),
new MapPoint(-1563689.043184, 3714900.452072),
new MapPoint(-3180355.516764, 5619889.608838)
};
// Create the polygon
Polygon polygonGeometry = new Polygon(polygonPoints);
// Define the symbology of the polygon
SimpleLineSymbol polygonOutlineSymbol = new SimpleLineSymbol(SimpleLineSymbolStyle.Solid, Colors.Green, 2);
SimpleFillSymbol polygonFillSymbol = new SimpleFillSymbol(SimpleFillSymbolStyle.ForwardDiagonal, Colors.Green, polygonOutlineSymbol);
// Create the polygon graphic and add it to the graphics overlay
_polygonGraphic = new Graphic(polygonGeometry, polygonFillSymbol);
_graphicsOverlay.Graphics.Add(_polygonGraphic);
// Create the point collection that defines the polyline
PointCollection polylinePoints = new PointCollection(SpatialReferences.WebMercator)
{
new MapPoint(-4354240.726880, -609939.795721),
new MapPoint(-3427489.245210, 2139422.933233),
new MapPoint(-2109442.693501, 4301843.057130),
new MapPoint(-1810822.771630, 7205664.366363)
};
// Create the polyline
Polyline polylineGeometry = new Polyline(polylinePoints);
// Create the polyline graphic and add it to the graphics overlay
_polylineGraphic = new Graphic(polylineGeometry, new SimpleLineSymbol(SimpleLineSymbolStyle.Dash, Colors.Red, 4));
_graphicsOverlay.Graphics.Add(_polylineGraphic);
// Create the point geometry that defines the point graphic
MapPoint pointGeometry = new MapPoint(-4487263.495911, 3699176.480377, SpatialReferences.WebMercator);
// Define the symbology for the point
SimpleMarkerSymbol locationMarker = new SimpleMarkerSymbol(SimpleMarkerSymbolStyle.Circle, Colors.Blue, 10);
// Create the point graphic and add it to the graphics overlay
_pointGraphic = new Graphic(pointGeometry, locationMarker);
_graphicsOverlay.Graphics.Add(_pointGraphic);
// Listen for taps; the spatial relationships will be updated in the handler
MyMapView.GeoViewTapped += MyMapView_GeoViewTapped;
// Set the viewpoint to center on the point
MyMapView.SetViewpointCenterAsync(pointGeometry, 200000000);
}
