private async void Initialize()
{
try
{
_progressBar.Visibility = Android.Views.ViewStates.Visible;
_status.Text = "Loading Utility Network...";
// Create a map.
_myMapView.Map = new Map(new Basemap(new Uri("https://www.arcgis.com/home/item.html?id=1970c1995b8f44749f4b9b6e81b5ba45")))
{
InitialViewpoint = _startingViewpoint
};
// Add the layer with electric distribution lines.
FeatureLayer lineLayer = new FeatureLayer(new Uri($"{FeatureServiceUrl}/115"));
UniqueValue mediumVoltageValue = new UniqueValue("N/A", "Medium Voltage", new SimpleLineSymbol(SimpleLineSymbolStyle.Solid, System.Drawing.Color.DarkCyan, 3), 5);
UniqueValue lowVoltageValue = new UniqueValue("N/A", "Low Voltage", new SimpleLineSymbol(SimpleLineSymbolStyle.Dash, System.Drawing.Color.DarkCyan, 3), 3);
lineLayer.Renderer = new UniqueValueRenderer(new List<string>() { "ASSETGROUP" }, new List<UniqueValue>() { mediumVoltageValue, lowVoltageValue }, "", new SimpleLineSymbol());
_myMapView.Map.OperationalLayers.Add(lineLayer);
// Add the layer with electric devices.
FeatureLayer electricDevicelayer = new FeatureLayer(new Uri($"{FeatureServiceUrl}/100"));
_myMapView.Map.OperationalLayers.Add(electricDevicelayer);
// Set the selection color for features in the map view.
_myMapView.SelectionProperties = new SelectionProperties(System.Drawing.Color.Yellow);
// Create and load the utility network.
_utilityNetwork = await UtilityNetwork.CreateAsync(new Uri(FeatureServiceUrl), _myMapView.Map);
// Get the utility tier used for traces in this network. For this data set, the "Medium Voltage Radial" tier from the "ElectricDistribution" domain network is used.
UtilityDomainNetwork domainNetwork = _utilityNetwork.Definition.GetDomainNetwork("ElectricDistribution");
_mediumVoltageTier = domainNetwork.GetTier("Medium Voltage Radial");
// More complex datasets may require using utility trace configurations from different tiers. The following LINQ expression gets all tiers present in the utility network.
//IEnumerable<UtilityTier> tiers = _utilityNetwork.Definition.DomainNetworks.Select(domain => domain.Tiers).SelectMany(tier => tier);
// Create symbols for starting locations and barriers.
_startingPointSymbol = new SimpleMarkerSymbol(SimpleMarkerSymbolStyle.Cross, System.Drawing.Color.LightGreen, 25d);
_barrierPointSymbol = new SimpleMarkerSymbol(SimpleMarkerSymbolStyle.X, System.Drawing.Color.OrangeRed, 25d);
// Create a graphics overlay.
GraphicsOverlay graphicsOverlay = new GraphicsOverlay();
_myMapView.GraphicsOverlays.Add(graphicsOverlay);
// Set the instruction text.
_status.Text = "Tap on the network lines or points to add a utility element.";
}
catch (Exception ex)
{
_status.Text = "Loading Utility Network failed...";
CreateDialog(ex.Message, title: ex.GetType().Name);
}
finally
{
_progressBar.Visibility = Android.Views.ViewStates.Invisible;
}
}
private async void Initialize()
{
try
{
Configuration.IsEnabled = false;
// Create and load the utility network.
_utilityNetwork = await UtilityNetwork.CreateAsync(new Uri(FeatureServiceUrl));
// Build the choice lists for network attribute comparison.
Attributes.ItemsSource = _utilityNetwork.Definition.NetworkAttributes.Where(netattr => !netattr.IsSystemDefined);
Operators.ItemsSource = Enum.GetValues(typeof(UtilityAttributeComparisonOperator));
// Create a default starting location.
UtilityNetworkSource networkSource = _utilityNetwork.Definition.GetNetworkSource(DeviceTableName);
UtilityAssetGroup assetGroup = networkSource.GetAssetGroup(AssetGroupName);
UtilityAssetType assetType = assetGroup.GetAssetType(AssetTypeName);
Guid globalId = Guid.Parse(GlobalId);
_startingLocation = _utilityNetwork.CreateElement(assetType, globalId);
// Set the terminal for this location. (For our case, we use the 'Load' terminal.)
_startingLocation.Terminal = _startingLocation.AssetType.TerminalConfiguration?.Terminals.FirstOrDefault(term => term.Name == "Load");
// Get a default trace configuration from a tier to update the UI.
UtilityDomainNetwork domainNetwork = _utilityNetwork.Definition.GetDomainNetwork(DomainNetworkName);
UtilityTier sourceTier = domainNetwork.GetTier(TierName);
// Set the trace configuration.
_configuration = sourceTier.TraceConfiguration;
// Set the default expression (if provided).
if (sourceTier.TraceConfiguration.Traversability.Barriers is UtilityTraceConditionalExpression expression)
{
ConditionBarrierExpression.Text = ExpressionToString(expression);
_initialExpression = expression;
}
// Setting DataContext will resolve the data-binding in XAML.
Configuration.DataContext = _configuration;
// Set the traversability scope.
sourceTier.TraceConfiguration.Traversability.Scope = UtilityTraversabilityScope.Junctions;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, ex.Message.GetType().Name, MessageBoxButton.OK, MessageBoxImage.Error);
}
finally
{
Configuration.IsEnabled = true;
}
}
private async void Initialize()
{
try
{
// Disable interaction until the data is loaded.
_mainView.Visibility = ViewStates.Gone;
// Create and load the utility network.
_utilityNetwork = await UtilityNetwork.CreateAsync(new Uri(FeatureServiceUrl));
// Getthe attributes in the utility network.
_attributes = _utilityNetwork.Definition.NetworkAttributes.Where(netattr => !netattr.IsSystemDefined);
// Create a default starting location.
UtilityNetworkSource networkSource = _utilityNetwork.Definition.GetNetworkSource(DeviceTableName);
UtilityAssetGroup assetGroup = networkSource.GetAssetGroup(AssetGroupName);
UtilityAssetType assetType = assetGroup.GetAssetType(AssetTypeName);
Guid globalId = Guid.Parse(GlobalId);
_startingLocation = _utilityNetwork.CreateElement(assetType, globalId);
// Set the terminal for this location. (For our case, we use the 'Load' terminal.)
_startingLocation.Terminal = _startingLocation.AssetType.TerminalConfiguration?.Terminals.FirstOrDefault(term => term.Name == "Load");
// Get a default trace configuration from a tier to update the UI.
UtilityDomainNetwork domainNetwork = _utilityNetwork.Definition.GetDomainNetwork(DomainNetworkName);
_sourceTier = domainNetwork.GetTier(TierName);
// Set the trace configuration.
_configuration = _sourceTier.TraceConfiguration;
// Set the default expression (if provided).
if (_sourceTier.TraceConfiguration.Traversability.Barriers is UtilityTraceConditionalExpression expression)
{
_initialExpression = expression;
_expressionLabel.Text = ExpressionToString(_initialExpression);
}
// Set the traversability scope.
_sourceTier.TraceConfiguration.Traversability.Scope = UtilityTraversabilityScope.Junctions;
}
catch (Exception ex)
{
new AlertDialog.Builder(this).SetMessage(ex.Message).SetTitle(ex.GetType().Name).Show();
}
finally
{
_mainView.Visibility = ViewStates.Visible;
}
}
private async void Initialize()
{
StatusGrid.BackgroundColor = new Color(0, 0, 0, 0.5);
try
{
BusyIndicator.IsVisible = true;
Status.Text = "Loading Utility Network...";
// Setup Map with Feature Layer(s) that contain Utility Network.
MyMapView.Map = new Map(Basemap.CreateStreetsNightVector())
{
InitialViewpoint = _startingViewpoint
};
// Add the layer with electric distribution lines.
FeatureLayer lineLayer = new FeatureLayer(new Uri($"{FeatureServiceUrl}/115"));
lineLayer.Renderer = new SimpleRenderer(new SimpleLineSymbol(SimpleLineSymbolStyle.Solid, System.Drawing.Color.DarkCyan, 3));
MyMapView.Map.OperationalLayers.Add(lineLayer);
// Add the layer with electric devices.
FeatureLayer electricDevicelayer = new FeatureLayer(new Uri($"{FeatureServiceUrl}/100"));
MyMapView.Map.OperationalLayers.Add(electricDevicelayer);
// Create and load the utility network.
_utilityNetwork = await UtilityNetwork.CreateAsync(new Uri(FeatureServiceUrl), MyMapView.Map);
Status.Text = "Click on the network lines or points to add a utility element.";
// Create symbols for starting points and barriers.
_startingPointSymbol = new SimpleMarkerSymbol(SimpleMarkerSymbolStyle.Cross, System.Drawing.Color.Green, 20d);
_barrierPointSymbol = new SimpleMarkerSymbol(SimpleMarkerSymbolStyle.X, System.Drawing.Color.Red, 20d);
// Create a graphics overlay.
GraphicsOverlay graphicsOverlay = new GraphicsOverlay();
MyMapView.GraphicsOverlays.Add(graphicsOverlay);
}
catch (Exception ex)
{
Status.Text = "Loading Utility Network failed...";
await Application.Current.MainPage.DisplayAlert(ex.Message.GetType().Name, ex.Message, "OK");
}
finally
{
BusyIndicator.IsVisible = false;
}
}
private async void Initialize()
{
try
{
// Disable interaction until the data is loaded.
View.UserInteractionEnabled = false;
// Create and load the utility network.
_utilityNetwork = await UtilityNetwork.CreateAsync(new Uri(FeatureServiceUrl));
// Create a default starting location.
UtilityNetworkSource networkSource = _utilityNetwork.Definition.GetNetworkSource(DeviceTableName);
UtilityAssetGroup assetGroup = networkSource.GetAssetGroup(AssetGroupName);
UtilityAssetType assetType = assetGroup.GetAssetType(AssetTypeName);
Guid globalId = Guid.Parse(GlobalId);
_startingLocation = _utilityNetwork.CreateElement(assetType, globalId);
// Set the terminal for this location. (For our case, we use the 'Load' terminal.)
_startingLocation.Terminal = _startingLocation.AssetType.TerminalConfiguration?.Terminals.FirstOrDefault(term => term.Name == "Load");
// Get a default trace configuration from a tier to update the UI.
UtilityDomainNetwork domainNetwork = _utilityNetwork.Definition.GetDomainNetwork(DomainNetworkName);
_sourceTier = domainNetwork.GetTier(TierName);
// Set the trace configuration.
_configuration = _sourceTier.TraceConfiguration;
// Set the default expression (if provided).
if (_sourceTier.TraceConfiguration.Traversability.Barriers is UtilityTraceConditionalExpression expression)
{
_expressionLabel.Text = ExpressionToString(expression);
_initialExpression = expression;
}
// Set the traversability scope.
_sourceTier.TraceConfiguration.Traversability.Scope = UtilityTraversabilityScope.Junctions;
}
catch (Exception ex)
{
new UIAlertView(ex.GetType().Name, ex.Message, (IUIAlertViewDelegate)null, "Error loading network", null).Show();
}
finally
{
View.UserInteractionEnabled = true;
}
}
private async void Initialize()
{
try
{
ConfigureTable.IsEnabled = false;
// Create and load the utility network.
_utilityNetwork = await UtilityNetwork.CreateAsync(new Uri(FeatureServiceUrl));
// Build the choice lists for network attribute comparison.
Attributes.ItemsSource = _utilityNetwork.Definition.NetworkAttributes.Where(i => i.IsSystemDefined == false).ToList();
Operators.ItemsSource = Enum.GetValues(typeof(UtilityAttributeComparisonOperator));
// Create a default starting location.
UtilityNetworkSource networkSource = _utilityNetwork.Definition.GetNetworkSource(DeviceTableName);
UtilityAssetGroup assetGroup = networkSource.GetAssetGroup(AssetGroupName);
UtilityAssetType assetType = assetGroup.GetAssetType(AssetTypeName);
Guid globalId = Guid.Parse(GlobalId);
_startingLocation = _utilityNetwork.CreateElement(assetType, globalId);
// Set the terminal for this location. (For our case, we use the 'Load' terminal.)
_startingLocation.Terminal = _startingLocation.AssetType.TerminalConfiguration?.Terminals.FirstOrDefault(term => term.Name == "Load");
// Get a default trace configuration from a tier to update the UI.
UtilityDomainNetwork domainNetwork = _utilityNetwork.Definition.GetDomainNetwork(DomainNetworkName);
_sourceTier = domainNetwork.GetTier(TierName);
if (_sourceTier.TraceConfiguration.Traversability.Barriers is UtilityTraceConditionalExpression expression)
{
ConditionBarrierExpression.Text = ExpressionToString(expression);
_initialExpression = expression;
}
// Set the traversability scope.
_sourceTier.TraceConfiguration.Traversability.Scope = UtilityTraversabilityScope.Junctions;
}
catch (Exception ex)
{
await Application.Current.MainPage.DisplayAlert("Error", ex.Message, "OK");
}
finally
{
ConfigureTable.IsEnabled = true;
}
}
private async void Initialize()
{
try
{
_progressBar.Visibility = Android.Views.ViewStates.Visible;
_status.Text = "Loading Utility Network...";
// Setup Map with Feature Layer(s) that contain Utility Network.
_myMapView.Map = new Map(Basemap.CreateStreetsNightVector())
{
InitialViewpoint = _startingViewpoint
};
// Add the layer with electric distribution lines.
FeatureLayer lineLayer = new FeatureLayer(new Uri($"{FeatureServiceUrl}/115"));
lineLayer.Renderer = new SimpleRenderer(new SimpleLineSymbol(SimpleLineSymbolStyle.Solid, System.Drawing.Color.DarkCyan, 3));
_myMapView.Map.OperationalLayers.Add(lineLayer);
// Add the layer with electric devices.
FeatureLayer electricDevicelayer = new FeatureLayer(new Uri($"{FeatureServiceUrl}/100"));
_myMapView.Map.OperationalLayers.Add(electricDevicelayer);
// Create and load the utility network.
_utilityNetwork = await UtilityNetwork.CreateAsync(new Uri(FeatureServiceUrl), _myMapView.Map);
_status.Text = "Click on the network lines or points to add a utility element.";
// Create symbols for starting points and barriers.
_startingPointSymbol = new SimpleMarkerSymbol(SimpleMarkerSymbolStyle.Cross, System.Drawing.Color.Green, 20d);
_barrierPointSymbol = new SimpleMarkerSymbol(SimpleMarkerSymbolStyle.X, System.Drawing.Color.Red, 20d);
// Create a graphics overlay.
GraphicsOverlay graphicsOverlay = new GraphicsOverlay();
_myMapView.GraphicsOverlays.Add(graphicsOverlay);
}
catch (Exception ex)
{
_status.Text = "Loading Utility Network failed...";
CreateDialog(ex.Message);
}
finally
{
_progressBar.Visibility = Android.Views.ViewStates.Invisible;
}
}
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();
Android.Graphics.Bitmap attachmentBitmap = await attachmentSwatch?.ToImageSourceAsync();
_attachmentImageView.SetImageBitmap(attachmentBitmap);
RuntimeImage connectSwatch = await connectivitySymbol.CreateSwatchAsync();
Android.Graphics.Bitmap connectivityBitmap = await connectSwatch?.ToImageSourceAsync();
_connectivityImageView.SetImageBitmap(connectivityBitmap);
// Set the starting viewpoint.
await _myMapView.SetViewpointAsync(InitialViewpoint);
// Add the associations in the starting viewpoint.
AddAssociations();
}
catch (Exception ex)
{
new AlertDialog.Builder(this).SetMessage(ex.Message).SetTitle(ex.GetType().Name).Show();
}
}
private async void Initialize()
{
// As of ArcGIS Enterprise 10.8.1, using utility network functionality requires a licensed user. The following login for the sample server is licensed to perform utility network operations.
AuthenticationManager.Current.ChallengeHandler = new ChallengeHandler(async(info) =>
{
try
{
// WARNING: Never hardcode login information in a production application. This is done solely for the sake of the sample.
string sampleServer7User = "******";
string sampleServer7Pass = "******";
return(await AuthenticationManager.Current.GenerateCredentialAsync(info.ServiceUri, sampleServer7User, sampleServer7Pass));
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
return(null);
}
});
try
{
// Disable interaction until the data is loaded.
View.UserInteractionEnabled = false;
// Create and load the utility network.
_utilityNetwork = await UtilityNetwork.CreateAsync(new Uri(FeatureServiceUrl));
// Create a default starting location.
UtilityNetworkSource networkSource = _utilityNetwork.Definition.GetNetworkSource(DeviceTableName);
UtilityAssetGroup assetGroup = networkSource.GetAssetGroup(AssetGroupName);
UtilityAssetType assetType = assetGroup.GetAssetType(AssetTypeName);
Guid globalId = Guid.Parse(GlobalId);
_startingLocation = _utilityNetwork.CreateElement(assetType, globalId);
// Set the terminal for this location. (For our case, we use the 'Load' terminal.)
_startingLocation.Terminal = _startingLocation.AssetType.TerminalConfiguration?.Terminals.FirstOrDefault(term => term.Name == "Load");
// Get a default trace configuration from a tier to update the UI.
UtilityDomainNetwork domainNetwork = _utilityNetwork.Definition.GetDomainNetwork(DomainNetworkName);
_sourceTier = domainNetwork.GetTier(TierName);
// Set the trace configuration.
_configuration = _sourceTier.TraceConfiguration;
// Set the default expression (if provided).
if (_sourceTier.TraceConfiguration.Traversability.Barriers is UtilityTraceConditionalExpression expression)
{
_expressionLabel.Text = ExpressionToString(expression);
_initialExpression = expression;
}
// Set the traversability scope.
_sourceTier.TraceConfiguration.Traversability.Scope = UtilityTraversabilityScope.Junctions;
}
catch (Exception ex)
{
new UIAlertView(ex.GetType().Name, ex.Message, (IUIAlertViewDelegate)null, "Error loading network", null).Show();
}
finally
{
View.UserInteractionEnabled = true;
}
}
private async void Initialize()
{
// As of ArcGIS Enterprise 10.8.1, using utility network functionality requires a licensed user. The following login for the sample server is licensed to perform utility network operations.
AuthenticationManager.Current.ChallengeHandler = new ChallengeHandler(async(info) =>
{
try
{
// WARNING: Never hardcode login information in a production application. This is done solely for the sake of the sample.
string sampleServer7User = "******";
string sampleServer7Pass = "******";
return(await AuthenticationManager.Current.GenerateCredentialAsync(info.ServiceUri, sampleServer7User, sampleServer7Pass));
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
return(null);
}
});
try
{
_activityIndicator.StartAnimating();
_statusLabel.Text = "Loading Utility Network...";
// Create a map.
_myMapView.Map = new Map(BasemapStyle.ArcGISStreetsNight)
{
InitialViewpoint = _startingViewpoint
};
// Add the layer with electric distribution lines.
FeatureLayer lineLayer = new FeatureLayer(new Uri($"{FeatureServiceUrl}/3"));
UniqueValue mediumVoltageValue = new UniqueValue("N/A", "Medium Voltage", new SimpleLineSymbol(SimpleLineSymbolStyle.Solid, System.Drawing.Color.DarkCyan, 3), 5);
UniqueValue lowVoltageValue = new UniqueValue("N/A", "Low Voltage", new SimpleLineSymbol(SimpleLineSymbolStyle.Dash, System.Drawing.Color.DarkCyan, 3), 3);
lineLayer.Renderer = new UniqueValueRenderer(new List <string>()
{
"ASSETGROUP"
}, new List <UniqueValue>()
{
mediumVoltageValue, lowVoltageValue
}, "", new SimpleLineSymbol());
_myMapView.Map.OperationalLayers.Add(lineLayer);
// Add the layer with electric devices.
FeatureLayer electricDevicelayer = new FeatureLayer(new Uri($"{FeatureServiceUrl}/0"));
_myMapView.Map.OperationalLayers.Add(electricDevicelayer);
// Set the selection color for features in the map view.
_myMapView.SelectionProperties = new SelectionProperties(System.Drawing.Color.Yellow);
// Create and load the utility network.
_utilityNetwork = await UtilityNetwork.CreateAsync(new Uri(FeatureServiceUrl), _myMapView.Map);
// Get the utility tier used for traces in this network. For this data set, the "Medium Voltage Radial" tier from the "ElectricDistribution" domain network is used.
UtilityDomainNetwork domainNetwork = _utilityNetwork.Definition.GetDomainNetwork("ElectricDistribution");
_mediumVoltageTier = domainNetwork.GetTier("Medium Voltage Radial");
// More complex datasets may require using utility trace configurations from different tiers. The following LINQ expression gets all tiers present in the utility network.
//IEnumerable<UtilityTier> tiers = _utilityNetwork.Definition.DomainNetworks.Select(domain => domain.Tiers).SelectMany(tier => tier);
// Create symbols for starting locations and barriers.
_startingPointSymbol = new SimpleMarkerSymbol(SimpleMarkerSymbolStyle.Cross, System.Drawing.Color.LightGreen, 25d);
_barrierPointSymbol = new SimpleMarkerSymbol(SimpleMarkerSymbolStyle.X, System.Drawing.Color.OrangeRed, 25d);
// Create a graphics overlay.
GraphicsOverlay graphicsOverlay = new GraphicsOverlay();
_myMapView.GraphicsOverlays.Add(graphicsOverlay);
// Set the instruction text.
_statusLabel.Text = "Click on the network lines or points to add a utility element.";
}
catch (Exception ex)
{
_statusLabel.Text = "Loading Utility Network failed...";
new UIAlertView("Error", ex.Message, (IUIAlertViewDelegate)null, "OK", null).Show();
}
finally
{
_activityIndicator.StopAnimating();
}
}
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 void Initialize()
{
// As of ArcGIS Enterprise 10.8.1, using utility network functionality requires a licensed user. The following login for the sample server is licensed to perform utility network operations.
AuthenticationManager.Current.ChallengeHandler = new ChallengeHandler(async(info) =>
{
try
{
// WARNING: Never hardcode login information in a production application. This is done solely for the sake of the sample.
string sampleServer7User = "******";
string sampleServer7Pass = "******";
return(await AuthenticationManager.Current.GenerateCredentialAsync(info.ServiceUri, sampleServer7User, sampleServer7Pass));
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
return(null);
}
});
try
{
// Create the utility network.
_utilityNetwork = await UtilityNetwork.CreateAsync(new Uri(FeatureServerUrl));
// Create the map.
MyMapView.Map = new Map(BasemapStyle.ArcGISTopographic);
// 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.
Dictionary <UtilityAssociationType, System.Windows.Media.ImageSource> legend;
legend = new Dictionary <UtilityAssociationType, System.Windows.Media.ImageSource>();
RuntimeImage attachmentSwatch = await attachmentSymbol.CreateSwatchAsync();
legend[UtilityAssociationType.Attachment] = await attachmentSwatch?.ToImageSourceAsync();
RuntimeImage connectSwatch = await connectivitySymbol.CreateSwatchAsync();
legend[UtilityAssociationType.Connectivity] = await connectSwatch?.ToImageSourceAsync();
AssociationLegend.ItemsSource = legend;
// Set the starting viewpoint.
await MyMapView.SetViewpointAsync(InitialViewpoint);
// Add the associations in the starting viewpoint.
AddAssociations();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, ex.GetType().Name, MessageBoxButton.OK, MessageBoxImage.Error);
}
}
private async void Initialize()
{
try
{
_activityIndicator.StartAnimating();
_statusLabel.Text = "Loading Utility Network...";
// Create a map.
_myMapView.Map = new Map(Basemap.CreateStreetsNightVector())
{
InitialViewpoint = _startingViewpoint
};
// Add the layer with electric distribution lines.
FeatureLayer lineLayer = new FeatureLayer(new Uri($"{FeatureServiceUrl}/115"));
UniqueValue mediumVoltageValue = new UniqueValue("N/A", "Medium Voltage", new SimpleLineSymbol(SimpleLineSymbolStyle.Solid, System.Drawing.Color.DarkCyan, 3), 5);
UniqueValue lowVoltageValue = new UniqueValue("N/A", "Low Voltage", new SimpleLineSymbol(SimpleLineSymbolStyle.Dash, System.Drawing.Color.DarkCyan, 3), 3);
lineLayer.Renderer = new UniqueValueRenderer(new List <string>()
{
"ASSETGROUP"
}, new List <UniqueValue>()
{
mediumVoltageValue, lowVoltageValue
}, "", new SimpleLineSymbol());
_myMapView.Map.OperationalLayers.Add(lineLayer);
// Add the layer with electric devices.
FeatureLayer electricDevicelayer = new FeatureLayer(new Uri($"{FeatureServiceUrl}/100"));
_myMapView.Map.OperationalLayers.Add(electricDevicelayer);
// Set the selection color for features in the map view.
_myMapView.SelectionProperties = new SelectionProperties(System.Drawing.Color.Yellow);
// Create and load the utility network.
_utilityNetwork = await UtilityNetwork.CreateAsync(new Uri(FeatureServiceUrl), _myMapView.Map);
// Get the utility tier used for traces in this network. For this data set, the "Medium Voltage Radial" tier from the "ElectricDistribution" domain network is used.
UtilityDomainNetwork domainNetwork = _utilityNetwork.Definition.GetDomainNetwork("ElectricDistribution");
_mediumVoltageTier = domainNetwork.GetTier("Medium Voltage Radial");
// More complex datasets may require using utility trace configurations from different tiers. The following LINQ expression gets all tiers present in the utility network.
//IEnumerable<UtilityTier> tiers = _utilityNetwork.Definition.DomainNetworks.Select(domain => domain.Tiers).SelectMany(tier => tier);
// Create symbols for starting locations and barriers.
_startingPointSymbol = new SimpleMarkerSymbol(SimpleMarkerSymbolStyle.Cross, System.Drawing.Color.LightGreen, 25d);
_barrierPointSymbol = new SimpleMarkerSymbol(SimpleMarkerSymbolStyle.X, System.Drawing.Color.OrangeRed, 25d);
// Create a graphics overlay.
GraphicsOverlay graphicsOverlay = new GraphicsOverlay();
_myMapView.GraphicsOverlays.Add(graphicsOverlay);
// Set the instruction text.
_statusLabel.Text = "Click on the network lines or points to add a utility element.";
}
catch (Exception ex)
{
_statusLabel.Text = "Loading Utility Network failed...";
new UIAlertView("Error", ex.Message, (IUIAlertViewDelegate)null, "OK", null).Show();
}
finally
{
_activityIndicator.StopAnimating();
}
}
private async void Initialize()
{
try
{
IsBusy.Visibility = Visibility.Visible;
Status.Text = "Loading Utility Network...";
// Setup Map with Feature Layer(s) that contain Utility Network.
MyMapView.Map = new Map(Basemap.CreateStreetsNightVector())
{
InitialViewpoint = _startingViewpoint
};
// Add the layer with electric distribution lines.
FeatureLayer lineLayer = new FeatureLayer(new Uri($"{FeatureServiceUrl}/115"));
UniqueValue mediumVoltageValue = new UniqueValue("N/A", "Medium Voltage", new SimpleLineSymbol(SimpleLineSymbolStyle.Solid, System.Drawing.Color.DarkCyan, 3), 5);
UniqueValue lowVoltageValue = new UniqueValue("N/A", "Low Voltage", new SimpleLineSymbol(SimpleLineSymbolStyle.Dash, System.Drawing.Color.DarkCyan, 3), 3);
lineLayer.Renderer = new UniqueValueRenderer(new List <string>()
{
"ASSETGROUP"
}, new List <UniqueValue>()
{
mediumVoltageValue, lowVoltageValue
}, "", new SimpleLineSymbol());
MyMapView.Map.OperationalLayers.Add(lineLayer);
// Add the layer with electric devices.
FeatureLayer electricDevicelayer = new FeatureLayer(new Uri($"{FeatureServiceUrl}/100"));
MyMapView.Map.OperationalLayers.Add(electricDevicelayer);
// Set the selection color for features in the map view.
MyMapView.SelectionProperties = new SelectionProperties(System.Drawing.Color.Yellow);
// Create and load the utility network.
_utilityNetwork = await UtilityNetwork.CreateAsync(new Uri(FeatureServiceUrl), MyMapView.Map);
// Update the trace configuration UI.
TraceTypes.ItemsSource = Enum.GetValues(typeof(UtilityTraceType));
TraceTypes.SelectedIndex = 0;
// Get the utility tier used for traces in this network. For this data set, the "Medium Voltage Radial" tier from the "ElectricDistribution" domain network is used.
UtilityDomainNetwork domainNetwork = _utilityNetwork.Definition.GetDomainNetwork("ElectricDistribution");
_mediumVoltageTier = domainNetwork.GetTier("Medium Voltage Radial");
// More complex datasets may require using utility trace configurations from different tiers. The following LINQ expression gets all tiers present in the utility network.
//IEnumerable<UtilityTier> tiers = _utilityNetwork.Definition.DomainNetworks.Select(domain => domain.Tiers).SelectMany(tier => tier);
// Create symbols for starting locations and barriers.
_startingPointSymbol = new SimpleMarkerSymbol(SimpleMarkerSymbolStyle.Cross, System.Drawing.Color.LightGreen, 25d);
_barrierPointSymbol = new SimpleMarkerSymbol(SimpleMarkerSymbolStyle.X, System.Drawing.Color.OrangeRed, 25d);
// Create a graphics overlay.
GraphicsOverlay graphicsOverlay = new GraphicsOverlay();
MyMapView.GraphicsOverlays.Add(graphicsOverlay);
// Set the instruction text.
Status.Text = "Click on the network lines or points to add a utility element.";
}
catch (Exception ex)
{
Status.Text = "Loading Utility Network failed...";
MessageBox.Show(ex.Message, ex.Message.GetType().Name, MessageBoxButton.OK, MessageBoxImage.Error);
}
finally
{
MainUI.IsEnabled = true;
IsBusy.Visibility = Visibility.Hidden;
}
}
private async void Initialize()
{
// As of ArcGIS Enterprise 10.8.1, using utility network functionality requires a licensed user. The following login for the sample server is licensed to perform utility network operations.
AuthenticationManager.Current.ChallengeHandler = new ChallengeHandler(async(info) =>
{
try
{
// WARNING: Never hardcode login information in a production application. This is done solely for the sake of the sample.
string sampleServer7User = "******";
string sampleServer7Pass = "******";
return(await AuthenticationManager.Current.GenerateCredentialAsync(info.ServiceUri, sampleServer7User, sampleServer7Pass));
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
return(null);
}
});
try
{
Configuration.IsEnabled = false;
// Create and load the utility network.
_utilityNetwork = await UtilityNetwork.CreateAsync(new Uri(FeatureServiceUrl));
// Build the choice lists for network attribute comparison.
Attributes.ItemsSource = _utilityNetwork.Definition.NetworkAttributes.Where(netattr => !netattr.IsSystemDefined);
Operators.ItemsSource = Enum.GetValues(typeof(UtilityAttributeComparisonOperator));
// Create a default starting location.
UtilityNetworkSource networkSource = _utilityNetwork.Definition.GetNetworkSource(DeviceTableName);
UtilityAssetGroup assetGroup = networkSource.GetAssetGroup(AssetGroupName);
UtilityAssetType assetType = assetGroup.GetAssetType(AssetTypeName);
Guid globalId = Guid.Parse(GlobalId);
_startingLocation = _utilityNetwork.CreateElement(assetType, globalId);
// Set the terminal for this location. (For our case, we use the 'Load' terminal.)
_startingLocation.Terminal = _startingLocation.AssetType.TerminalConfiguration?.Terminals.FirstOrDefault(term => term.Name == "Load");
// Get a default trace configuration from a tier to update the UI.
UtilityDomainNetwork domainNetwork = _utilityNetwork.Definition.GetDomainNetwork(DomainNetworkName);
UtilityTier sourceTier = domainNetwork.GetTier(TierName);
// Set the trace configuration.
_configuration = sourceTier.TraceConfiguration;
// Set the default expression (if provided).
if (sourceTier.TraceConfiguration.Traversability.Barriers is UtilityTraceConditionalExpression expression)
{
ConditionBarrierExpression.Text = ExpressionToString(expression);
_initialExpression = expression;
}
// Setting DataContext will resolve the data-binding in XAML.
Configuration.DataContext = _configuration;
// Set the traversability scope.
sourceTier.TraceConfiguration.Traversability.Scope = UtilityTraversabilityScope.Junctions;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, ex.Message.GetType().Name, MessageBoxButton.OK, MessageBoxImage.Error);
}
finally
{
Configuration.IsEnabled = true;
}
}
private async void Initialize()
{
try
{
// Disable the UI.
_traceButton.Enabled = false;
// 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(new Basemap(new Uri("https://www.arcgis.com/home/item.html?id=1970c1995b8f44749f4b9b6e81b5ba45")));
_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`.
_utilityNetwork.Definition.Categories.ToList().ForEach(cat => _categoryDictionary.Add(cat.Name, cat));
_categorySpinner.Adapter = new ArrayAdapter <string>(this, Android.Resource.Layout.SimpleSpinnerItem, _categoryDictionary.Keys.ToList());
_categorySpinner.SetSelection(0);
// Enable the UI.
_traceButton.Enabled = true;
}
catch (Exception ex)
{
new AlertDialog.Builder(this).SetMessage(ex.Message).SetTitle(ex.GetType().Name).Show();
}
finally
{
_loadingBar.Visibility = Android.Views.ViewStates.Gone;
}
}
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.
Dictionary <UtilityAssociationType, System.Windows.Media.ImageSource> legend;
legend = new Dictionary <UtilityAssociationType, System.Windows.Media.ImageSource>();
RuntimeImage attachmentSwatch = await attachmentSymbol.CreateSwatchAsync();
legend[UtilityAssociationType.Attachment] = await attachmentSwatch?.ToImageSourceAsync();
RuntimeImage connectSwatch = await connectivitySymbol.CreateSwatchAsync();
legend[UtilityAssociationType.Connectivity] = await connectSwatch?.ToImageSourceAsync();
AssociationLegend.ItemsSource = legend;
// Set the starting viewpoint.
await MyMapView.SetViewpointAsync(InitialViewpoint);
// Add the associations in the starting viewpoint.
AddAssociations();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, ex.GetType().Name, MessageBoxButton.OK, MessageBoxImage.Error);
}
}
private async void Initialize()
{
// As of ArcGIS Enterprise 10.8.1, using utility network functionality requires a licensed user. The following login for the sample server is licensed to perform utility network operations.
AuthenticationManager.Current.ChallengeHandler = new ChallengeHandler(async(info) =>
{
try
{
// WARNING: Never hardcode login information in a production application. This is done solely for the sake of the sample.
string sampleServer7User = "******";
string sampleServer7Pass = "******";
return(await AuthenticationManager.Current.GenerateCredentialAsync(info.ServiceUri, sampleServer7User, sampleServer7Pass));
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
return(null);
}
});
try
{
// Disable the UI.
FilterOptions.IsVisible = false;
// 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(new Basemap(new Uri("https://www.arcgis.com/home/item.html?id=1970c1995b8f44749f4b9b6e81b5ba45")));
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`.
CategoryPicker.ItemsSource = _utilityNetwork.Definition.Categories.ToList();
CategoryPicker.SelectedItem = _utilityNetwork.Definition.Categories.First();
// Enable the UI.
FilterOptions.IsVisible = true;
}
catch (Exception ex)
{
await Application.Current.MainPage.DisplayAlert(ex.GetType().Name, ex.Message, "OK");
}
finally
{
LoadingIndicator.IsVisible = false;
}
}