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// Copyright 2023 Esri.//// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.// You may obtain a copy of the License at: http://www.apache.org/licenses/LICENSE-2.0//// Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific// language governing permissions and limitations under the License.using Esri.ArcGISRuntime;
using Esri.ArcGISRuntime.Data;
using Esri.ArcGISRuntime.Mapping;
using Esri.ArcGISRuntime.Portal;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using System.Windows;
namespaceArcGIS.WPF.Samples.DisplayRouteLayer{
[ArcGIS.Samples.Shared.Attributes.Sample(
name: "Display route layer",
category: "Layers",
description: "Display a route layer and its directions using a feature collection.",
instructions: "Pan and zoom to view the route displayed by the feature collection layer. Toggle to view or hide the turn-by-turn directions.",
tags: new[] { "directions", "feature collection", "route layer" })]
[ArcGIS.Samples.Shared.Attributes.OfflineData()]
[ArcGIS.Samples.Shared.Attributes.ClassFile("Converters\\DirectionPointTypeToIconConverter.cs")]
publicpartialclassDisplayRouteLayer {
privatereadonlystring _itemId = "0e3c8e86b4544274b45ecb61c9f41336";
publicDisplayRouteLayer() {
InitializeComponent();
_ = Initialize();
}
privateasync Task Initialize() {
// Create a new map with the topographic basemap style. MyMapView.Map = new Map(BasemapStyle.ArcGISTopographic);
try {
// Create a portal instance. ArcGISPortal portal = await ArcGISPortal.CreateAsync();
// Get the portal item containing route data. PortalItem item = await PortalItem.CreateAsync(portal, _itemId);
// Create a collection of feature layers, then load.var featureCollection = new FeatureCollection(item);
await featureCollection.LoadAsync();
if (featureCollection.LoadStatus == LoadStatus.Loaded)
{
// Select all tables. IList<FeatureCollectionTable> tables = featureCollection.Tables;
// List the turn-by-turn directions. FeatureCollectionTable directionPoints = tables.Where(t => t.TableName == "DirectionPoints").FirstOrDefault();
DirectionsList.ItemsSource = directionPoints;
// Create a FeatureCollectionLayer and add it to the map. FeatureCollectionLayer featureCollectionLayer = new FeatureCollectionLayer(featureCollection);
MyMapView.Map.OperationalLayers.Add(featureCollectionLayer);
// Set the viewpoint to the full extent of the FeatureCollectionLayer in Oregon, US.await MyMapView.SetViewpointAsync(new Viewpoint(featureCollectionLayer.FullExtent));
}
}
catch (Exception ex)
{
// Report exceptions. MessageBox.Show("Error: " + ex.Message, ex.GetType().Name, MessageBoxButton.OK, MessageBoxImage.Error);
}
}
}
}