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()
{
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
{
// 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()
{
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 GeoViewTapped(object sender, GeoViewInputEventArgs e)
{
try
{
_progressBar.Visibility = Android.Views.ViewStates.Visible;
_status.Text = "Identifying trace locations...";
// Identify the feature to be used.
IEnumerable <IdentifyLayerResult> identifyResult = await _myMapView.IdentifyLayersAsync(e.Position, 10.0, false);
// Check that a results from a layer were identified from the user input.
if (!identifyResult.Any())
{
return;
}
// Identify the selected feature.
IdentifyLayerResult layerResult = identifyResult?.FirstOrDefault();
ArcGISFeature feature = layerResult?.GeoElements?.FirstOrDefault() as ArcGISFeature;
// Check that a feature was identified from the layer.
if (feature == null)
{
return;
}
// Create element with `terminal` for junction feature or with `fractionAlong` for edge feature.
UtilityElement element = null;
// Select default terminal or display possible terminals for the junction feature.
UtilityNetworkSource networkSource = _utilityNetwork.Definition.GetNetworkSource(feature.FeatureTable.TableName);
// Check if the network source is a junction or an edge.
if (networkSource.SourceType == UtilityNetworkSourceType.Junction)
{
// Get the UtilityAssetGroup from the feature.
string assetGroupFieldName = ((ArcGISFeatureTable)feature.FeatureTable).SubtypeField ?? "ASSETGROUP";
int assetGroupCode = Convert.ToInt32(feature.Attributes[assetGroupFieldName]);
UtilityAssetGroup assetGroup = networkSource?.AssetGroups?.FirstOrDefault(g => g.Code == assetGroupCode);
// Get the UtilityAssetType from the feature.
int assetTypeCode = Convert.ToInt32(feature.Attributes["ASSETTYPE"]);
UtilityAssetType assetType = assetGroup?.AssetTypes?.FirstOrDefault(t => t.Code == assetTypeCode);
// Get the list of terminals for the feature.
IEnumerable <UtilityTerminal> terminals = assetType?.TerminalConfiguration?.Terminals;
// If there is more than one terminal, prompt the user to select a terminal.
if (terminals.Count() > 1)
{
// Ask the user to choose the terminal.
UtilityTerminal terminal = await WaitForTerminal(terminals);
// Create a UtilityElement with the terminal.
element = _utilityNetwork.CreateElement(feature, terminal);
_status.Text = $"Terminal: {terminal?.Name ?? "default"}";
}
else
{
element = _utilityNetwork.CreateElement(feature, terminals.FirstOrDefault());
_status.Text = $"Terminal: {element.Terminal?.Name ?? "default"}";
}
}
else if (networkSource.SourceType == UtilityNetworkSourceType.Edge)
{
element = _utilityNetwork.CreateElement(feature);
// Compute how far tapped location is along the edge feature.
if (feature.Geometry is Polyline line)
{
line = GeometryEngine.RemoveZ(line) as Polyline;
// Set how far the element is along the edge.
element.FractionAlongEdge = GeometryEngine.FractionAlong(line, e.Location, -1);
_status.Text = $"Fraction along edge: {element.FractionAlongEdge}";
}
}
// Check that the element can be added to the parameters.
if (element == null)
{
return;
}
// Build the utility trace parameters.
if (_parameters == null)
{
IEnumerable <UtilityElement> startingLocations = Enumerable.Empty <UtilityElement>();
_parameters = new UtilityTraceParameters(UtilityTraceType.Connected, startingLocations);
}
if (isAddingStart)
{
_parameters.StartingLocations.Add(element);
}
else
{
_parameters.Barriers.Add(element);
}
// Add a graphic for the new utility element.
Graphic traceLocationGraphic = new Graphic(feature.Geometry as MapPoint ?? e.Location, isAddingStart ? _startingPointSymbol : _barrierPointSymbol);
_myMapView.GraphicsOverlays.FirstOrDefault()?.Graphics.Add(traceLocationGraphic);
}
catch (Exception ex)
{
_status.Text = "Identifying locations failed...";
CreateDialog(ex.Message);
}
finally
{
if (_status.Text.Equals("Identifying trace locations..."))
{
_status.Text = "Could not identify location.";
}
_progressBar.Visibility = Android.Views.ViewStates.Invisible;
}
}
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;
}
}
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()
{
// 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;
}
}