Local server geoprocessing

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 // Copyright 2021 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 ArcGIS.Samples.Managers; using Esri.ArcGISRuntime.LocalServices; using Esri.ArcGISRuntime.Mapping; using Esri.ArcGISRuntime.Tasks; using Esri.ArcGISRuntime.Tasks.Geoprocessing; using System; using System.Diagnostics; using System.IO; using System.Reflection; using System.Threading.Tasks; using System.Windows; using System.Windows.Controls;  namespace ArcGIS.WPF.Samples.LocalServerGeoprocessing {  [ArcGIS.Samples.Shared.Attributes.Sample(  name: "Local server geoprocessing",  category: "Local Server",  description: "Create contour lines from local raster data using a local geoprocessing package `.gpk` and the contour geoprocessing tool.",  instructions: "Contour Line Controls (Top Left):",  tags: new[] { "geoprocessing", "local", "offline", "parameters", "processing", "service" })]  [ArcGIS.Samples.Shared.Attributes.OfflineData("3f38e1ae7c5948cc95334ba3a142a4ec", "a680362d6a7447e8afe2b1eb85fcde30")]  public partial class LocalServerGeoprocessing  {  // Hold a reference to the local geoprocessing service  private LocalGeoprocessingService _gpService;   // Hold a reference to the task  private GeoprocessingTask _gpTask;   // Hold a reference to the job  private GeoprocessingJob _gpJob;   public LocalServerGeoprocessing()  {  InitializeComponent();   // set up the sample  _ = Initialize();  }   private async Task Initialize()  {  // Create a map and add it to the view  MyMapView.Map = new Map(BasemapStyle.ArcGISLightGray);   // Load the tiled layer and get the path  string rasterPath = GetRasterPath();   // Create a tile cache using the path to the raster  TileCache myTileCache = new TileCache(rasterPath);   // Create the tiled layer from the tile cache  ArcGISTiledLayer tiledLayer = new ArcGISTiledLayer(myTileCache);   // Try to load the tiled layer  try  {  // Wait for the layer to load  await tiledLayer.LoadAsync();   // Zoom to extent of the tiled layer  await MyMapView.SetViewpointGeometryAsync(tiledLayer.FullExtent);  }  catch (Exception)  {  MessageBox.Show("Couldn't load the tile package, ending sample load.");  return;  }   // Add the layer to the map  MyMapView.Map.OperationalLayers.Add(tiledLayer);   // Try to start Local Server  try  {  // LocalServer must not be running when setting the data path.  if (LocalServer.Instance.Status == LocalServerStatus.Started)  {  await LocalServer.Instance.StopAsync();  }   // Set the local data path - must be done before starting. On most systems, this will be C:\EsriSamples\AppData.  // This path should be kept short to avoid Windows path length limitations.  string tempDataPathRoot = Directory.GetParent(Environment.GetFolderPath(Environment.SpecialFolder.Windows)).FullName;  string tempDataPath = Path.Combine(tempDataPathRoot, "EsriSamples", "AppData");  Directory.CreateDirectory(tempDataPath); // CreateDirectory won't overwrite if it already exists.  LocalServer.Instance.AppDataPath = tempDataPath;   // Start the local server instance  await LocalServer.Instance.StartAsync();  }  catch (Exception ex)  {  var localServerTypeInfo = typeof(LocalMapService).GetTypeInfo();  var localServerVersion = FileVersionInfo.GetVersionInfo(localServerTypeInfo.Assembly.Location);   MessageBox.Show($"Please ensure that local server {localServerVersion.FileVersion} is installed prior to using the sample. The download link is in the description. Message: {ex.Message}", "Local Server failed to start");  return;  }   // Get the path to the geoprocessing task  string gpServiceUrl = GetGpPath();   // Create the geoprocessing service  _gpService = new LocalGeoprocessingService(gpServiceUrl, GeoprocessingServiceType.AsynchronousSubmitWithMapServiceResult);   // Take action once the service loads  _gpService.StatusChanged += GpServiceOnStatusChanged;   // Try to start the service  try  {  // Start the service  await _gpService.StartAsync();  }  catch (Exception)  {  MessageBox.Show("geoprocessing service failed to start.");  }  }   private async void GpServiceOnStatusChanged(object sender, StatusChangedEventArgs statusChangedEventArgs)  {  // Return if the server hasn't started  if (statusChangedEventArgs.Status != LocalServerStatus.Started) return;   try  {  // Create the geoprocessing task from the service  _gpTask = await GeoprocessingTask.CreateAsync(new Uri(_gpService.Url + "/Contour"));   // Update UI  MyUpdateContourButton.IsEnabled = true;  MyLoadingIndicator.Visibility = Visibility.Collapsed;  }  catch (Exception ex)  {  MessageBox.Show(ex.Message);  }  }   private void GenerateContours()  {  // Show the progress bar  MyLoadingIndicator.Visibility = Visibility.Visible;  MyLoadingIndicator.IsIndeterminate = false;   // Create the geoprocessing parameters  GeoprocessingParameters gpParams = new GeoprocessingParameters(GeoprocessingExecutionType.AsynchronousSubmit);   // Add the interval parameter to the geoprocessing parameters  gpParams.Inputs["ContourInterval"] = new GeoprocessingDouble(MyContourSlider.Value);   // Create the job  _gpJob = _gpTask.CreateJob(gpParams);   // Update the UI when job progress changes  _gpJob.ProgressChanged += (sender, args) =>  {  Dispatcher.Invoke(() => { MyLoadingIndicator.Value = _gpJob.Progress; });  };   // Be notified when the task completes (or other change happens)  _gpJob.StatusChanged += GpJobOnJobChanged;   // Start the job  _gpJob.Start();  }   private async void GpJobOnJobChanged(object o, JobStatus e)  {  // Show message if job failed  if (_gpJob.Status == JobStatus.Failed)  {  MessageBox.Show("Job Failed");  return;  }   // Return if not succeeded  if (_gpJob.Status != JobStatus.Succeeded) { return; }   // Get the URL to the map service  string gpServiceResultUrl = _gpService.Url.ToString();   // Get the URL segment for the specific job results  string jobSegment = "MapServer/jobs/" + _gpJob.ServerJobId;   // Update the URL to point to the specific job from the service  gpServiceResultUrl = gpServiceResultUrl.Replace("GPServer", jobSegment);   // Create a map image layer to show the results  ArcGISMapImageLayer myMapImageLayer = new ArcGISMapImageLayer(new Uri(gpServiceResultUrl));   try  {  // Load the layer  await myMapImageLayer.LoadAsync();   // This is needed because the event comes from outside of the UI thread  Dispatcher.Invoke(() =>  {  // Add the layer to the map  MyMapView.Map.OperationalLayers.Add(myMapImageLayer);   // Hide the progress bar  MyLoadingIndicator.Visibility = Visibility.Collapsed;   // Disable the generate button  MyUpdateContourButton.IsEnabled = false;   // Enable the reset button  MyResetButton.IsEnabled = true;  });  }  catch (Exception ex)  {  Debug.WriteLine(ex.Message);  }  }   private static string GetRasterPath()  {  return DataManager.GetDataFolder("3f38e1ae7c5948cc95334ba3a142a4ec", "RasterHillshade.tpkx");  }   private static string GetGpPath()  {  return DataManager.GetDataFolder("a680362d6a7447e8afe2b1eb85fcde30", "Contour.gpkx");  }   private void MyResetButton_OnClick(object sender, RoutedEventArgs e)  {  // Remove the contour  MyMapView.Map.OperationalLayers.RemoveAt(1);   // Enable the generate button  MyUpdateContourButton.IsEnabled = true;   // Disable the reset button  MyResetButton.IsEnabled = false;  }   private void MyUpdateContourButton_OnClick(object sender, RoutedEventArgs e)  {  // Disable the generate button  ((Button)sender).IsEnabled = false;   // Generate the contours  GenerateContours();  }  } }