コード例 #1
0
        /// <summary>
        /// 异步刷新预览图
        /// </summary>
        private async Task refreshPreview()
        {
            if (simpleLineSymbol == null)
            {
                return;
            }
            Esri.ArcGISRuntime.UI.RuntimeImage image = await simpleLineSymbol.CreateSwatchAsync(Color.WhiteSmoke);

            System.Windows.Media.ImageSource imageSource = await Esri.ArcGISRuntime.UI.RuntimeImageExtensions.ToImageSourceAsync(image);

            Image result = imageWpfToGDI(imageSource);

            previewBox.Image    = result;
            previewBox.SizeMode = PictureBoxSizeMode.Zoom;
        }
        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
            {
                // 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
            {
                // 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);
            }
        }