private async void Initialize()
{
// Create a new map
MyMapView.Map = new Map(Basemap.CreateLightGrayCanvas());
// Get the full path
string geoPackagePath = GetGeoPackagePath();
// Open the GeoPackage
GeoPackage myGeoPackage = await GeoPackage.OpenAsync(geoPackagePath);
// Read the raster images and get the first one
Raster gpkgRaster = myGeoPackage.GeoPackageRasters.FirstOrDefault();
// Make sure an image was found in the package
if (gpkgRaster == null)
{
return;
}
// Create a layer to show the raster
RasterLayer newLayer = new RasterLayer(gpkgRaster);
await newLayer.LoadAsync();
// Set the viewpoint
await MyMapView.SetViewpointAsync(new Viewpoint(newLayer.FullExtent));
// Add the image as a raster layer to the map (with default symbology)
MyMapView.Map.OperationalLayers.Add(newLayer);
}
private void Initialize()
{
// Create a light gray canvas map
Map myMap = new Map(Basemap.CreateLightGrayCanvas());
// Create graphics overlay to display sketch geometry
_sketchOverlay = new GraphicsOverlay();
MyMapView.GraphicsOverlays.Add(_sketchOverlay);
// Assign the map to the MapView
MyMapView.Map = myMap;
// Fill the combo box with choices for the sketch modes (shapes)
Array sketchModes = System.Enum.GetValues(typeof(SketchCreationMode));
foreach (object mode in sketchModes)
{
SketchModePicker.Items.Add(mode.ToString());
}
SketchModePicker.SelectedIndex = 0;
// Set a gray background color for Android
if (Device.RuntimePlatform == Device.Android)
{
DrawToolsGrid.BackgroundColor = Color.Gray;
}
// Hack to get around linker being too aggressive - this should be done with binding.
UndoButton.Command = MyMapView.SketchEditor.UndoCommand;
RedoButton.Command = MyMapView.SketchEditor.RedoCommand;
CompleteButton.Command = MyMapView.SketchEditor.CompleteCommand;
}
private void SegmentButtonClicked(object sender, EventArgs e)
{
// Get the segmented button control that raised the event
var buttonControl = sender as UISegmentedControl;
// Get the selected segment in the control
var selectedSegmentId = buttonControl.SelectedSegment;
// Execute the appropriate action for the control
if (selectedSegmentId == 0)
{
// Show basemap choices
ShowBasemapList();
}
else if (selectedSegmentId == 1)
{
// Show a list of available operational layers
ShowLayerList();
}
else if (selectedSegmentId == 2)
{
// 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());
}
else if (selectedSegmentId == 3)
{
// Show the save map UI
ShowSaveMapUI();
}
// Unselect all segments (user might want to click the same control twice)
buttonControl.SelectedSegment = -1;
}
private async void Initialize()
{
// Create a new map.
_myMapView.Map = new Map(Basemap.CreateLightGrayCanvas());
// Get the GeoPackage path.
string geoPackagePath = DataManager.GetDataFolder("68ec42517cdd439e81b036210483e8e7", "AuroraCO.gpkg");
// Open the GeoPackage.
GeoPackage geoPackage = await GeoPackage.OpenAsync(geoPackagePath);
// Read the raster images and get the first one.
Raster gpkgRaster = geoPackage.GeoPackageRasters.FirstOrDefault();
// Make sure an image was found in the package.
if (gpkgRaster == null)
{
return;
}
// Create a layer to show the raster.
RasterLayer newLayer = new RasterLayer(gpkgRaster);
await newLayer.LoadAsync();
// Set the viewpoint.
await _myMapView.SetViewpointAsync(new Viewpoint(newLayer.FullExtent));
// Add the image as a raster layer to the map (with default symbology).
_myMapView.Map.OperationalLayers.Add(newLayer);
}
private void Initialize()
{
// Create new Map with basemap.
Map myMap = new Map(Basemap.CreateLightGrayCanvas());
// Create envelope to be used as a target extent for map's initial viewpoint.
Envelope myEnvelope = new Envelope(-6603299.491810, 1679677.742046, 9002253.947487, 8691318.054732, SpatialReferences.WebMercator);
// Set the initial viewpoint for map.
myMap.InitialViewpoint = new Viewpoint(myEnvelope);
// Provide used Map to the MapView.
_myMapView.Map = myMap;
// Set the selection color.
_myMapView.SelectionProperties.Color = Color.Cyan;
// Create Uri for the feature service.
Uri featureServiceUri = new Uri(
"https://services1.arcgis.com/4yjifSiIG17X0gW4/arcgis/rest/services/GDP_per_capita_1960_2016/FeatureServer/0");
// Initialize feature table using a URL to feature server.
ServiceFeatureTable featureTable = new ServiceFeatureTable(featureServiceUri);
// Initialize a new feature layer based on the feature table.
_featureLayer = new FeatureLayer(featureTable);
// Add the layer to the map.
myMap.OperationalLayers.Add(_featureLayer);
}
private void Initialize()
{
// Create a light gray canvas map
Map myMap = new Map(Basemap.CreateLightGrayCanvas());
// Create graphics overlay to display sketch geometry
_sketchOverlay = new GraphicsOverlay();
_myMapView.GraphicsOverlays.Add(_sketchOverlay);
// Assign the map to the MapView
_myMapView.Map = myMap;
// Set the sketch editor configuration to allow vertex editing, resizing, and moving
SketchEditConfiguration config = _myMapView.SketchEditor.EditConfiguration;
config.AllowVertexEditing = true;
config.ResizeMode = SketchResizeMode.Uniform;
config.AllowMove = true;
// Listen to the sketch editor tools CanExecuteChange so controls can be enabled/disabled
_myMapView.SketchEditor.UndoCommand.CanExecuteChanged += CanExecuteChanged;
_myMapView.SketchEditor.RedoCommand.CanExecuteChanged += CanExecuteChanged;
_myMapView.SketchEditor.CompleteCommand.CanExecuteChanged += CanExecuteChanged;
// Listen to collection changed event on the graphics overlay to enable/disable controls that require a graphic
_sketchOverlay.Graphics.CollectionChanged += GraphicsChanged;
}
private void ApplyBasemap(string basemapName)
{
// Set the basemap for the map according to the user's choice in the list box
Map myMap = MyMapView.Map;
switch (basemapName)
{
case "Light Gray":
// Set the basemap to Light Gray Canvas
myMap.Basemap = Basemap.CreateLightGrayCanvas();
break;
case "Topographic":
// Set the basemap to Topographic
myMap.Basemap = Basemap.CreateTopographic();
break;
case "Streets":
// Set the basemap to Streets
myMap.Basemap = Basemap.CreateStreets();
break;
case "Imagery":
// Set the basemap to Imagery
myMap.Basemap = Basemap.CreateImagery();
break;
case "Ocean":
// Set the basemap to Oceans
myMap.Basemap = Basemap.CreateOceans();
break;
}
}
private void Initialize()
{
// Create a light gray canvas map
Map myMap = new Map(Basemap.CreateLightGrayCanvas());
// Create graphics overlay to display sketch geometry
_sketchOverlay = new GraphicsOverlay();
MyMapView.GraphicsOverlays.Add(_sketchOverlay);
// Assign the map to the MapView
MyMapView.Map = myMap;
// Fill the combo box with choices for the sketch modes (shapes)
SketchModeComboBox.ItemsSource = System.Enum.GetValues(typeof(SketchCreationMode));
SketchModeComboBox.SelectedIndex = 0;
// Set the sketch editor configuration to allow vertex editing, resizing, and moving
var config = MyMapView.SketchEditor.EditConfiguration;
config.AllowVertexEditing = true;
config.ResizeMode = SketchResizeMode.Uniform;
config.AllowMove = true;
// Set the sketch editor as the page's data context
this.DataContext = MyMapView.SketchEditor;
}
private void SegmentButtonClicked(object sender, EventArgs e)
{
// Get the segmented button control that raised the event.
var buttonControl = sender as UISegmentedControl;
switch (buttonControl.SelectedSegment)
{
case 0:
// 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());
break;
case 1:
// Show basemap choices.
ShowBasemapList();
break;
case 2:
// Show a list of available operational layers.
ShowLayerList();
break;
case 3:
// Show the save map UI.
ShowSaveMapUi();
break;
}
// Deselect all segments (user might want to click the same control twice).
buttonControl.SelectedSegment = -1;
}
private void CreateNewMap()
{
// Create new Map with a light gray canvas basemap
Map myMap = new Map(Basemap.CreateLightGrayCanvas());
// Add the Map to the MapView
MyMapView.Map = myMap;
}
private void Initialize()
{
// Create new Map with basemap
Map myMap = new Map(Basemap.CreateLightGrayCanvas());
// Show map in the MapView
_myMapView.Map = myMap;
}
private void DisplayDefaultMap()
{
// Create a new light gray canvas Map
Map myMap = new Map(Basemap.CreateLightGrayCanvas());
// Assign Map to the MapView
MyMapView.Map = myMap;
}
private void Initialize()
{
// Show a map with basemap by default.
_myMapView.Map = new Map(Basemap.CreateLightGrayCanvas());
// Update the authentication settings.
UpdateAuthenticationManager();
}
private void DisplayDefaultMap()
{
// Create a new Map instance
Map myMap = new Map(Basemap.CreateLightGrayCanvas());
// Provide Map to the MapView
MyMapView.Map = myMap;
}
private void Initialize()
{
// Show a light gray canvas basemap by default.
_myMapView.Map = new Map(Basemap.CreateLightGrayCanvas());
// Prompt the user for OAuth settings.
ShowOAuthPropsUi();
}
private void Initialize()
{
// Create a new Map instance
Map myMap = new Map(Basemap.CreateLightGrayCanvas());
// Provide default Map to the MapView
_myMapView.Map = myMap;
}
private void Initialize()
{
// Create new Map with basemap
Map myMap = new Map(Basemap.CreateLightGrayCanvas());
// Provide used Map to the MapView
_myMapView.Map = myMap;
}
private void Initialize()
{
// Remove the API key.
ApiKeyManager.DisableKey();
// Show a light gray canvas basemap by default.
_myMapView.Map = new Map(Basemap.CreateLightGrayCanvas());
}
// 改变底图
private void ChangeBaseMap_list_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
Map myMap = myMapView.Map;
switch (ChangeBaseMap_list.SelectedIndex)
{
case 0:
myMap.Basemap = Basemap.CreateDarkGrayCanvasVector();
myMapView_Eagle.Map.Basemap = Basemap.CreateDarkGrayCanvasVector();
break;
case 1:
myMap.Basemap = Basemap.CreateImagery();
myMapView_Eagle.Map.Basemap = Basemap.CreateImagery();
break;
case 2:
myMap.Basemap = Basemap.CreateImageryWithLabels();
myMapView_Eagle.Map.Basemap = Basemap.CreateImageryWithLabels();
break;
case 3:
myMap.Basemap = Basemap.CreateTerrainWithLabels();
myMapView_Eagle.Map.Basemap = Basemap.CreateTerrainWithLabels();
break;
case 4:
myMap.Basemap = Basemap.CreateLightGrayCanvas();
myMapView_Eagle.Map.Basemap = Basemap.CreateLightGrayCanvas();
break;
case 5:
myMap.Basemap = Basemap.CreateTopographic();
myMapView_Eagle.Map.Basemap = Basemap.CreateTopographic();
break;
case 6:
myMap.Basemap = Basemap.CreateNationalGeographic();
myMapView_Eagle.Map.Basemap = Basemap.CreateNationalGeographic();
break;
case 7:
myMap.Basemap = Basemap.CreateNavigationVector();
myMapView_Eagle.Map.Basemap = Basemap.CreateNavigationVector();
break;
case 8:
myMap.Basemap = Basemap.CreateOceans();
myMapView_Eagle.Map.Basemap = Basemap.CreateOceans();
break;
case 9:
myMap.Basemap = Basemap.CreateStreets();
myMapView_Eagle.Map.Basemap = Basemap.CreateStreets();
break;
}
}
private void ClearMapClicked(object sender, RoutedEventArgs e)
{
// Create a new map (will not have an associated PortalItem)
MyMapView.Map = new Map(Basemap.CreateLightGrayCanvas());
// Reset UI to be consistent with map
BasemapListBox.SelectedIndex = 0;
OperationalLayerListBox.SelectedIndex = -1;
}
private void Initialize()
{
// Create and show a light gray canvas basemap.
_myMapView.Map = new Map(Basemap.CreateLightGrayCanvas());
// Create graphics overlay to display sketch geometry.
_sketchOverlay = new GraphicsOverlay();
_myMapView.GraphicsOverlays.Add(_sketchOverlay);
}
private async void Initialize()
{
// Create a map and add it to the view
MyMapView.Map = new Map(Basemap.CreateLightGrayCanvas());
try
{
// LocalServer must not be running when setting the data path.
if (LocalServer.Instance.Status == LocalServerStatus.Started)
{
await LocalServer.Instance.StopAsync();
}
// Set the local data path - must be done before starting. On most systems, this will be C:\EsriSamples\AppData.
// This path should be kept short to avoid Windows path length limitations.
string tempDataPathRoot = Directory.GetParent(Environment.GetFolderPath(Environment.SpecialFolder.Windows)).FullName;
string tempDataPath = Path.Combine(tempDataPathRoot, "EsriSamples", "AppData");
Directory.CreateDirectory(tempDataPath); // CreateDirectory won't overwrite if it already exists.
LocalServer.Instance.AppDataPath = tempDataPath;
// Start the local server instance
await LocalServer.Instance.StartAsync();
// Get the path to the map package that will be served
string datapath = GetDataPath();
// Create the Map Service from the data
_localMapService = new LocalMapService(datapath);
// Start the feature service
await _localMapService.StartAsync();
// Get the url to the map service
Uri myServiceUri = _localMapService.Url;
// Create the layer from the url
ArcGISMapImageLayer myImageLayer = new ArcGISMapImageLayer(myServiceUri);
// Add the layer to the map
MyMapView.Map.OperationalLayers.Add(myImageLayer);
// Wait for the layer to load
await myImageLayer.LoadAsync();
// Set the viewpoint on the map to show the data
MyMapView.SetViewpoint(new Viewpoint(myImageLayer.FullExtent));
}
catch (Exception ex)
{
var localServerTypeInfo = typeof(LocalMapService).GetTypeInfo();
var localServerVersion = FileVersionInfo.GetVersionInfo(localServerTypeInfo.Assembly.Location);
var dlg = new MessageDialog2($"Please ensure that local server {localServerVersion.FileVersion} is installed prior to using the sample. The download link is in the description. Message: {ex.Message}", "Local Server failed to start");
_ = dlg.ShowAsync();
}
}
private void Window_Loaded(object sender, RoutedEventArgs e)
{
// 绘制层
myMapView.GraphicsOverlays.Add(graphicsOverlay);
// 鹰眼的底图
myMapView_Eagle.Map = new Map(Basemap.CreateTopographic());
// 主地图的底图(因为一次地图错误——重复载入底图导致进程中断 才添加的)
myMapView.Map = new Map(Basemap.CreateTopographic());
// 底图的列表
ChangeBaseMap_list.ItemsSource = new List <ListBoxItem>()
{
new ListBoxItem()
{
Content = "DarkGrayCanvasVector"
},
new ListBoxItem()
{
Content = "Imagery"
},
new ListBoxItem()
{
Content = "ImageryWithLabels"
},
new ListBoxItem()
{
Content = "TerrainWithLabels"
},
new ListBoxItem()
{
Content = "LightGrayCanvas"
},
new ListBoxItem()
{
Content = "Topographic"
},
new ListBoxItem()
{
Content = "NationalGeographic"
},
new ListBoxItem()
{
Content = "NavigationVector"
},
new ListBoxItem()
{
Content = "Oceans"
},
new ListBoxItem()
{
Content = "Streets"
},
};
// 初始化底图2
myMapView2.Map = new Map(Basemap.CreateLightGrayCanvas());
}
private void Initialize()
{
BasemapListView.ItemsSource = _basemapNames;
LayerListView.ItemsSource = _operationalLayerUrls;
// Show a plain gray map in the map view
MyMapView.Map = new Map(Basemap.CreateLightGrayCanvas());
// Update the extent labels whenever the view point (extent) changes
MyMapView.ViewpointChanged += (s, evt) => UpdateViewExtentLabels();
}
private void Initialize()
{
// Create a new Map instance to display by default
Map myMap = new Map(Basemap.CreateLightGrayCanvas());
// Provide used Map to the MapView
_myMapView.Map = myMap;
// Prompt the user for OAuth settings
ShowOAuthPropsUI();
}
private void Initialize()
{
// Create new Map with a light gray canvas basemap
Map myMap = new Map(Basemap.CreateLightGrayCanvas());
// Add the Map to the MapView
_myMapView.Map = myMap;
// Set up the challenge handler and OAuth authorization
UpdateAuthenticationManager();
}
private void Initialize()
{
// Create new Map with a light gray canvas basemap
var myMap = new Map(Basemap.CreateLightGrayCanvas());
// Add the Map to the MapView
_myMapView.Map = myMap;
// Prompt the user for OAuth settings
ShowOAuthPropsUI();
}
private void Initialize()
{
// Remove API key.
ApiKeyManager.DisableKey();
// Create new Map with basemap
Map myMap = new Map(Basemap.CreateLightGrayCanvas());
// Provide used Map to the MapView
_myMapView.Map = myMap;
}
private void Initialize()
{
// Create the map with a default basemap.
_myMapView.Map = new Map(Basemap.CreateLightGrayCanvas());
// Create and add a graphics overlay.
GraphicsOverlay overlay = new GraphicsOverlay();
_myMapView.GraphicsOverlays.Add(overlay);
// Create the original geometry: some points along a river.
PointCollection points = CreateShipPoints();
// Show the original geometry as red dots on the map.
Multipoint originalMultipoint = new Multipoint(points);
Graphic originalPointsGraphic = new Graphic(originalMultipoint,
new SimpleMarkerSymbol(SimpleMarkerSymbolStyle.Circle, Color.Red, 7));
overlay.Graphics.Add(originalPointsGraphic);
// Show a dotted red line connecting the original points.
_originalPolyline = new Polyline(points);
Graphic originalPolylineGraphic = new Graphic(_originalPolyline,
new SimpleLineSymbol(SimpleLineSymbolStyle.Dot, Color.Red, 3));
overlay.Graphics.Add(originalPolylineGraphic);
// Show the result (densified or generalized) points as magenta dots on the map.
_resultPointGraphic = new Graphic
{
Symbol = new SimpleMarkerSymbol(SimpleMarkerSymbolStyle.Circle, Color.Magenta, 7),
ZIndex = 999
};
overlay.Graphics.Add(_resultPointGraphic);
// Connect the result points with a magenta polyline.
_resultPolylineGraphic = new Graphic
{
Symbol = new SimpleLineSymbol(SimpleLineSymbolStyle.Solid, Color.Magenta, 3),
ZIndex = 1000
};
overlay.Graphics.Add(_resultPolylineGraphic);
// Listen for changes in state.
_segmentLengthSlider.ProgressChanged += (o, e) =>
UpdateGeometry("Densify", _segmentLengthSlider.Progress + 100, _deviationSlider.Progress + 1);
_deviationSlider.ProgressChanged += (o, e) =>
UpdateGeometry("Generalize", _segmentLengthSlider.Progress + 100, _deviationSlider.Progress + 1);
// Center the map.
_myMapView.SetViewpointGeometryAsync(_originalPolyline.Extent, 100);
}
private void ClearMapClicked(object sender, RoutedEventArgs e)
{
// Create a new map (will not have an associated PortalItem)
MyMapView.Map = new Map(Basemap.CreateLightGrayCanvas());
// Reset the basemap selection in the UI
BasemapListBox.SelectedIndex = 0;
// Reset the layer selection in the UI;
OperationalLayerListBox.SelectedIndex = -1;
// Reset the extent labels
UpdateViewExtentLabels();
}