// Cancel the current shape drawing (if in Editor.RequestShapeAsync)
// and draw new geometry
private async void AddSearchGeometry_Click(object sender, RoutedEventArgs e)
{
if (MyMapView.Editor.IsActive)
{
MyMapView.Editor.Cancel.Execute(null);
}
_drawGraphicsOverlay.Graphics.Clear();
findBtn.IsEnabled = false;
// Hide floyout from the UI
drawFlyout.Hide();
BottomAppBar.IsOpen = false;
try
{
var selectedDrawShape = DrawShape.Polygon;
var symbolType = (sender as Button).Tag.ToString();
symbols.Symbol symbol = null;
switch (symbolType)
{
case "line":
selectedDrawShape = DrawShape.Polyline;
symbol = Resources["GreenLineSymbol"] as symbols.Symbol;
break;
case "polygon":
selectedDrawShape = DrawShape.Polygon;
symbol = Resources["RedFillSymbol"] as symbols.Symbol;
break;
case "circle":
selectedDrawShape = DrawShape.Circle;
symbol = Resources["RedFillSymbol"] as symbols.Symbol;
break;
case "rectangle":
selectedDrawShape = DrawShape.Rectangle;
symbol = Resources["RedFillSymbol"] as symbols.Symbol;
break;
}
// wait for user to draw the shape
_searchGeometry = await MyMapView.Editor.RequestShapeAsync(selectedDrawShape, symbol);
// add the new graphic to the graphic layer
var graphic = new Graphic(_searchGeometry, symbol);
_drawGraphicsOverlay.Graphics.Add(graphic);
findBtn.IsEnabled = true;
}
catch (TaskCanceledException)
{
// Ignore cancelations from selecting new shape type
findBtn.IsEnabled = false;
}
catch (Exception ex)
{
var _x = new MessageDialog("Error drawing graphic: " + ex.Message, "S57 Search Sample").ShowAsync();
}
}
/// <summary>Construct Mensuration sample control</summary>
public Mensuration()
{
InitializeComponent();
_pointSymbol = LayoutRoot.Resources["PointSymbol"] as Symbols.Symbol;
_lineSymbol = LayoutRoot.Resources["LineSymbol"] as Symbols.Symbol;
_polygonSymbol = LayoutRoot.Resources["PolygonSymbol"] as Symbols.Symbol;
_graphicsOverlay = MyMapView.GraphicsOverlays["graphicsOverlay"];
comboLinearUnit.ItemsSource = typeof(LinearUnits).GetTypeInfo().DeclaredProperties
.Select(p => p.GetValue(null, null))
.Except(new LinearUnit[] { LinearUnits.NauticalMiles }).ToList();
comboLinearUnit.SelectedItem = LinearUnits.Meters;
comboAngularUnit.ItemsSource = new AngularUnit[] { AngularUnits.Degrees, AngularUnits.Radians };
comboAngularUnit.SelectedItem = AngularUnits.Degrees;
comboAreaUnit.ItemsSource = typeof(AreaUnits).GetTypeInfo().DeclaredProperties
.Select(p => p.GetValue(null, null)).ToList();
comboAreaUnit.SelectedItem = AreaUnits.SquareMeters;
var imageLayer = MyMapView.Map.Layers["ImageLayer"] as ArcGISTiledMapServiceLayer;
_mensurationTask = new MensurationTask(new Uri(imageLayer.ServiceUri));
}
/// <summary>Construct Mensuration sample control</summary>
public Mensuration()
{
InitializeComponent();
_pointSymbol = LayoutRoot.Resources["PointSymbol"] as Symbols.Symbol;
_lineSymbol = LayoutRoot.Resources["LineSymbol"] as Symbols.Symbol;
_polygonSymbol = LayoutRoot.Resources["PolygonSymbol"] as Symbols.Symbol;
_graphicsOverlay = MyMapView.GraphicsOverlays["graphicsOverlay"];
comboLinearUnit.ItemsSource = typeof(LinearUnits).GetTypeInfo().DeclaredProperties
.Select(p => p.GetValue(null, null))
.Except(new LinearUnit[] { LinearUnits.NauticalMiles } ).ToList();
comboLinearUnit.SelectedItem = LinearUnits.Meters;
comboAngularUnit.ItemsSource = new AngularUnit[] { AngularUnits.Degrees, AngularUnits.Radians };
comboAngularUnit.SelectedItem = AngularUnits.Degrees;
comboAreaUnit.ItemsSource = typeof(AreaUnits).GetTypeInfo().DeclaredProperties
.Select(p => p.GetValue(null, null)).ToList();
comboAreaUnit.SelectedItem = AreaUnits.SquareMeters;
var imageLayer = MyMapView.Map.Layers["ImageLayer"] as ArcGISTiledMapServiceLayer;
_mensurationTask = new MensurationTask(new Uri(imageLayer.ServiceUri));
}
// An event handler for list box and combo box selection changes that will update the current symbol.
private async void SymbolPropertyChanged(object sender, SelectionChangedEventArgs e)
{
// Call a function that will construct the current symbol.
Symbol faceSymbol = await GetCurrentSymbol();
// Call a function to update the symbol preview.
await UpdateSymbolPreview(faceSymbol);
}
public DensifyPolygons()
{
InitializeComponent();
polygonSymbol = LayoutRoot.Resources["MySimpleFillSymbol"] as SimpleFillSymbol;
graphicsLayerVertices = MyMapView.Map.Layers["MyVerticesGraphicsLayer"] as GraphicsLayer;
graphicsLayerPolygon = MyMapView.Map.Layers["MyPolygonGraphicsLayer"] as GraphicsLayer;
defaultVertexMarkerSymbol = LayoutRoot.Resources["MyDefaultVertexMarkerSymbol"] as Esri.ArcGISRuntime.Symbology.Symbol;
densifyVertexMarkerSymbol = LayoutRoot.Resources["MyDensifyVertexMarkerSymbol"] as Esri.ArcGISRuntime.Symbology.Symbol;
}
public DensifyPolygons()
{
InitializeComponent();
polygonSymbol = LayoutRoot.Resources["MySimpleFillSymbol"] as SimpleFillSymbol;
graphicsLayerVertices = mapView1.Map.Layers["MyVerticesGraphicsLayer"] as GraphicsLayer;
graphicsLayerPolygon = mapView1.Map.Layers["MyPolygonGraphicsLayer"] as GraphicsLayer;
defaultVertexMarkerSymbol = LayoutRoot.Resources["MyDefaultVertexMarkerSymbol"] as Esri.ArcGISRuntime.Symbology.Symbol;
densifyVertexMarkerSymbol = LayoutRoot.Resources["MyDensifyVertexMarkerSymbol"] as Esri.ArcGISRuntime.Symbology.Symbol;
}
public DensifyPolygons()
{
InitializeComponent();
mapView1.Map.InitialViewpoint = new Viewpoint(new Envelope(-344448.8744537411, -1182136.4258723476, 3641336.505047027, 1471520.6499406511, SpatialReference.Create(21897)));
polygonSymbol = LayoutRoot.Resources["MySimpleFillSymbol"] as SimpleFillSymbol;
graphicsLayerVertices = mapView1.Map.Layers["MyVerticesGraphicsLayer"] as GraphicsLayer;
graphicsLayerPolygon = mapView1.Map.Layers["MyPolygonGraphicsLayer"] as GraphicsLayer;
defaultVertexMarkerSymbol = LayoutRoot.Resources["MyDefaultVertexMarkerSymbol"] as Esri.ArcGISRuntime.Symbology.Symbol;
densifyVertexMarkerSymbol = LayoutRoot.Resources["MyDensifyVertexMarkerSymbol"] as Esri.ArcGISRuntime.Symbology.Symbol;
}
private async Task UpdateImageSourceAsync()
{
try
{
_image.Source = await Symbol.CreateSwatchAsync(WidthPixels, HeightPixels, _swatchDpi, BackgroundColor, GeometryType);
}
catch
{
_image.Source = null;
}
InvalidateMeasure();
}
private async Task UpdateSymbolPreview(Symbol symbolToShow)
{
if (symbolToShow == null)
{
return;
}
// Create a swatch from the symbol with a white background.
RuntimeImage swatch = await symbolToShow.CreateSwatchAsync(80, 80, 96, Color.White);
// Convert the swatch to an image source and show it in the Image control.
ImageSource symbolImage = await swatch.ToImageSourceAsync();
SymbolPreviewImage.Source = symbolImage;
}
// Draw and add a single graphic to the graphic layer
private async Task AddSingleGraphicAsync()
{
try
{
var drawShape = (DrawShape)comboDrawShape.SelectedValue;
sym.Symbol symbol = null;
switch (drawShape)
{
case DrawShape.Point:
symbol = Resources["BluePointSymbol"] as sym.Symbol;
break;
case DrawShape.LineSegment:
case DrawShape.Freehand:
case DrawShape.Polyline:
symbol = Resources["GreenLineSymbol"] as sym.Symbol;
break;
case DrawShape.Arrow:
case DrawShape.Circle:
case DrawShape.Ellipse:
case DrawShape.Polygon:
case DrawShape.Rectangle:
case DrawShape.Triangle:
case DrawShape.Envelope:
symbol = Resources["RedFillSymbol"] as sym.Symbol;
break;
}
// wait for user to draw the shape
var geometry = await MyMapView.Editor.RequestShapeAsync(drawShape, symbol);
// add the new graphic to the graphic layer
var graphic = new Graphic(geometry, symbol);
_graphicsLayer.Graphics.Add(graphic);
}
catch (TaskCanceledException)
{
// Ignore cancellations from selecting new shape type
}
catch (Exception ex)
{
var _x = new MessageDialog("Error drawing graphic: " + ex.Message, "Add Graphic Interactively").ShowAsync();
}
}
// Retrieve the given shape type from the user
private async Task <Geometry> RequestUserShape(DrawShape drawShape, Symbols.Symbol symbol)
{
try
{
_graphicsOverlay.Graphics.Clear();
var shape = await MyMapView.Editor.RequestShapeAsync(drawShape, symbol);
_graphicsOverlay.Graphics.Add(new Graphic(shape, symbol));
return(shape);
}
catch (TaskCanceledException)
{
return(null);
}
catch (Exception ex)
{
var _ = new MessageDialog(ex.Message, "Sample Error").ShowAsync();
return(null);
}
}
public MapPage()
{
this.InitializeComponent();
MyMapView.LocationDisplay.LocationProvider = new SystemLocationProvider();
MyMapView.LocationDisplay.LocationProvider.StartAsync();
HardwareButtons.BackPressed += HardwareButtons_BackPressed;
MyMapView.Loaded += MyMapView_Loaded;
_locatorTask = new OnlineLocatorTask(new Uri(OnlineLocatorUrl));
_locatorTask.AutoNormalize = true;
_directionPointSymbol = LayoutRoot.Resources["directionPointSymbol"] as Esri.ArcGISRuntime.Symbology.Symbol;
_stopsOverlay = MyMapView.GraphicsOverlays["StopsOverlay"];
_routesOverlay = MyMapView.GraphicsOverlays["RoutesOverlay"];
_directionsOverlay = MyMapView.GraphicsOverlays["DirectionsOverlay"];
_myLocationOverlay = MyMapView.GraphicsOverlays["LocationOverlay"];
_routeTask = new OnlineRouteTask(new Uri(OnlineRoutingService));
_campos = new Dictionary <String, String>();
if (PortalSearch.GetSelectedItem().Map.Layers.Count() > 0)
{
foreach (Layer i in PortalSearch.GetSelectedItem().Map.Layers)
{
try
{
if (!((FeatureLayer)i).FeatureTable.IsReadOnly && ((FeatureLayer)i).FeatureTable.GeometryType == GeometryType.Point)
{
_layer = i as FeatureLayer;
_table = (ArcGISFeatureTable)_layer.FeatureTable;
MenuFlyoutAddButton.IsEnabled = true;
}
}
catch
{
}
}
}
}
private async void ExecuteDrawing(Func <SceneView, Task <Esri.ArcGISRuntime.Geometry.Geometry> > createGeometryAsync, Esri.ArcGISRuntime.Symbology.Symbol symbol)
{
Esri.ArcGISRuntime.Geometry.Geometry DrawedGeometry = null;
bool toContinueDrawing = true;
while (toContinueDrawing)
{
try
{
DrawedGeometry = await createGeometryAsync(View);
}
catch (DrawCanceledExeption e)
{
DrawedGeometry = e.DrawedGepmetry;
toContinueDrawing = false;
}
finally
{
if (DrawedGeometry != null && !DrawedGeometry.IsEmpty)
{
var graphic = new Graphic(DrawedGeometry);
graphic.Symbol = symbol;
_drawingOverlay.Graphics.Add(graphic);
}
}
}
}
private async Task ReadMobileStyle(string stylePath)
{
try
{
// Open the mobile style file at the provided path.
_emojiStyle = await SymbolStyle.OpenAsync(stylePath);
// Get the default style search parameters.
SymbolStyleSearchParameters searchParams = await _emojiStyle.GetDefaultSearchParametersAsync();
// Search the style with the default parameters to return all symbol results.
IList <SymbolStyleSearchResult> styleResults = await _emojiStyle.SearchSymbolsAsync(searchParams);
// Create an empty placeholder image to represent "no symbol" for each category.
ImageSource emptyImage = null;
// Create lists to contain the available symbol layers for each category of symbol and add an empty entry as default.
List <SymbolLayerInfo> eyeSymbolInfos = new List <SymbolLayerInfo> {
new SymbolLayerInfo("", emptyImage, "")
};
List <SymbolLayerInfo> mouthSymbolInfos = new List <SymbolLayerInfo> {
new SymbolLayerInfo("", emptyImage, "")
};
List <SymbolLayerInfo> hatSymbolInfos = new List <SymbolLayerInfo>()
{
new SymbolLayerInfo("", emptyImage, "")
};
// Loop through the results and put symbols into the appropriate list according to category.
foreach (SymbolStyleSearchResult result in styleResults)
{
// Get the symbol for this result.
MultilayerPointSymbol multiLayerSym = await result.GetSymbolAsync() as MultilayerPointSymbol;
// Create a swatch image from the symbol.
RuntimeImage swatch = await multiLayerSym.CreateSwatchAsync();
ImageSource symbolImage = await swatch.ToImageSourceAsync();
// Create a symbol layer info object to represent the symbol in the list.
// The symbol key will be used to retrieve the symbol from the style.
SymbolLayerInfo symbolInfo = new SymbolLayerInfo(result.Name, symbolImage, result.Key);
// Add the symbol layer info to the correct list for its category.
switch (result.Category)
{
case "Eyes":
{
eyeSymbolInfos.Add(symbolInfo);
break;
}
case "Mouth":
{
mouthSymbolInfos.Add(symbolInfo);
break;
}
case "Hat":
{
hatSymbolInfos.Add(symbolInfo);
break;
}
}
}
// Show the symbols in the category list boxes.
EyeSymbolList.ItemsSource = eyeSymbolInfos;
MouthSymbolList.ItemsSource = mouthSymbolInfos;
HatSymbolList.ItemsSource = hatSymbolInfos;
// Call a function to construct the current symbol (default yellow circle).
Symbol faceSymbol = await GetCurrentSymbol();
// Call a function to show a preview image of the symbol.
await UpdateSymbolPreview(faceSymbol);
}
catch (Exception ex)
{
// Report the exception.
MessageDialog dialog = new MessageDialog("Error reading symbols from style: " + ex.Message);
await dialog.ShowAsync();
}
}
private async void OnGeoViewTapped(object sender, GeoViewInputEventArgs e)
{
try
{
IsBusy.Visibility = Visibility.Visible;
Status.Text = "Identifying trace locations...";
// Identify the feature to be used.
IEnumerable <IdentifyLayerResult> identifyResult = await MyMapView.IdentifyLayersAsync(e.Position, 10.0, false);
ArcGISFeature feature = identifyResult?.FirstOrDefault()?.GeoElements?.FirstOrDefault() as ArcGISFeature;
if (feature == null)
{
return;
}
// Create element from the identified feature.
UtilityElement element = _utilityNetwork.CreateElement(feature);
if (element.NetworkSource.SourceType == UtilityNetworkSourceType.Junction)
{
// Select terminal for junction feature.
IEnumerable <UtilityTerminal> terminals = element.AssetType.TerminalConfiguration?.Terminals;
if (terminals?.Count() > 1)
{
element.Terminal = await GetTerminalAsync(terminals);
}
Status.Text = $"Terminal: {element.Terminal?.Name ?? "default"}";
}
else if (element.NetworkSource.SourceType == UtilityNetworkSourceType.Edge)
{
// Compute how far tapped location is along the edge feature.
if (feature.Geometry is Polyline line)
{
line = GeometryEngine.RemoveZ(line) as Polyline;
double fraction = GeometryEngine.FractionAlong(line, e.Location, -1);
if (double.IsNaN(fraction))
{
return;
}
element.FractionAlongEdge = fraction;
Status.Text = $"Fraction along edge: {element.FractionAlongEdge}";
}
}
// Check whether starting location or barrier is added to update the right collection and symbology.
Symbol symbol = null;
if (IsAddingStartingLocations.IsChecked.Value == true)
{
_startingLocations.Add(element);
symbol = _startingPointSymbol;
}
else
{
_barriers.Add(element);
symbol = _barrierPointSymbol;
}
// Add a graphic for the new utility element.
Graphic traceLocationGraphic = new Graphic(feature.Geometry as MapPoint ?? e.Location, symbol);
MyMapView.GraphicsOverlays.FirstOrDefault()?.Graphics.Add(traceLocationGraphic);
}
catch (Exception ex)
{
Status.Text = "Identifying locations failed.";
await new MessageDialog2(ex.Message, ex.GetType().Name).ShowAsync();
}
finally
{
if (Status.Text.Equals("Identifying trace locations..."))
{
Status.Text = "Could not identify location.";
}
IsBusy.Visibility = Visibility.Collapsed;
}
}
