private async void StartLocalMapService(string filename, string path)
{
// Start a service from the blank MPK
String mapServiceUrl = GetMpkPath();
// Create the local map service
_localMapService = new LocalMapService(mapServiceUrl);
// Create the Raster workspace; this workspace name was chosen arbitrarily
RasterWorkspace rasterWorkspace = new RasterWorkspace("ras_wkspc", path);
// Create the layer source that represents the Raster on disk
RasterSublayerSource source = new RasterSublayerSource(rasterWorkspace.Id, filename);
// Create a sublayer instance from the table source
_rasterSublayer = new ArcGISMapImageSublayer(0, source);
// Add the dynamic workspace to the map service
_localMapService.SetDynamicWorkspaces(new List <DynamicWorkspace>()
{
rasterWorkspace
});
// Subscribe to notifications about service status changes
_localMapService.StatusChanged += _localMapService_StatusChanged;
// Start the map service
await _localMapService.StartAsync();
}
private async void StartLocalMapService(string filename, string path)
{
// Start a service from the blank MPK
String mapServiceUrl = GetMpkPath();
// Create the local map service
_localMapService = new LocalMapService(mapServiceUrl);
// Create the shapefile workspace
ShapefileWorkspace _shapefileWorkspace = new ShapefileWorkspace("shp_wkspc", path);
// Create the layer source that represents the shapefile on disk
TableSublayerSource source = new TableSublayerSource(_shapefileWorkspace.Id, filename);
// Create a sublayer instance from the table source
_shapefileSublayer = new ArcGISMapImageSublayer(0, source);
// Add the dynamic workspace to the map service
_localMapService.SetDynamicWorkspaces(new List <DynamicWorkspace>()
{
_shapefileWorkspace
});
// Subscribe to notifications about service status changes
_localMapService.StatusChanged += _localMapService_StatusChanged;
// Start the map service
await _localMapService.StartAsync();
}
private void VisibilitySwitch_ValueChanged(object sender, EventArgs e)
{
// Get the row containing the UISwitch that was changed.
var index = ((UISwitch)sender).Tag;
// Set the sublayer visibility according to the UISwitch setting.
ArcGISMapImageSublayer sublayer = (ArcGISMapImageSublayer)_sublayers[(int)index];
sublayer.IsVisible = ((UISwitch)sender).On;
}
private void ChangeSublayerRendererButton_Click(object sender, EventArgs e)
{
// Get the counties sub-layer (the 3rd layer) from the ArcGIS map image layer.
ArcGISMapImageSublayer countiesArcGISMapImageSubLayer = (ArcGISMapImageSublayer)_arcGISMapImageLayer.Sublayers[2];
// Set the renderer of the ArcGIS map image sub-layer to a class break renderer based on population.
countiesArcGISMapImageSubLayer.Renderer = CreateClassBreaksRenderer();
// Disable the button after has been used.
_changeSublayerRendererButton.Enabled = false;
}
private void ChangeSublayerRendererButton_TouchUpInside(object sender, EventArgs e)
{
// Get the counties sub-layer (the 3rd layer) from the ArcGIS map image layer.
ArcGISMapImageSublayer countiesArcGISMapImageSubLayer = (ArcGISMapImageSublayer)_arcGISMapImageLayer.Sublayers[2];
// Set the renderer of the ArcGIS map image sub-layer to a class break renderer based on population.
countiesArcGISMapImageSubLayer.Renderer = CreateClassBreaksRenderer();
// Disable the button after has been used.
_changeSublayerRendererButton.Enabled = false;
_changeSublayerRendererButton.SetTitleColor(UIColor.Gray, UIControlState.Disabled);
}
public override UITableViewCell GetCell(UITableView tableView, NSIndexPath indexPath)
{
// Create the cells in the table.
UITableViewCell cell = new UITableViewCell(UITableViewCellStyle.Default, CellId);
ArcGISMapImageSublayer sublayer = (ArcGISMapImageSublayer)_sublayers[indexPath.Row];
cell.TextLabel.Text = sublayer.Name;
// Create a UISwitch for controlling the layer visibility.
_visibilitySwitch = new UISwitch
{
Frame = new CGRect(cell.Bounds.Width - 60, 7, 50, cell.Bounds.Height),
Tag = indexPath.Row,
On = sublayer.IsVisible
};
_visibilitySwitch.ValueChanged += VisibilitySwitch_ValueChanged;
// Add the UISwitch to the cell's content view.
cell.ContentView.AddSubview(_visibilitySwitch);
return(cell);
}
private async void submitQuery(UIAlertAction obj)
{
// If the population value entered is not numeric, warn the user and exit.
double populationNumber;
if (!double.TryParse(_queryEntry.Text.Trim(), out populationNumber))
{
UIAlertController alert = UIAlertController.Create("Invalid number", "Population value must be numeric.", UIAlertControllerStyle.Alert);
alert.AddAction(UIAlertAction.Create("OK", UIAlertActionStyle.Default, null));
PresentViewController(alert, true, null);
return;
}
// Get the USA map image layer (the first and only operational layer in the map).
ArcGISMapImageLayer usaMapImageLayer = (ArcGISMapImageLayer)_myMapView.Map.OperationalLayers[0];
try
{
// Use a utility method on the map image layer to load all the sublayers and tables.
await usaMapImageLayer.LoadTablesAndLayersAsync();
// Get the sublayers of interest (skip 'Highways' since it doesn't have the POP2000 field).
ArcGISMapImageSublayer citiesSublayer = (ArcGISMapImageSublayer)usaMapImageLayer.Sublayers[0];
ArcGISMapImageSublayer statesSublayer = (ArcGISMapImageSublayer)usaMapImageLayer.Sublayers[2];
ArcGISMapImageSublayer countiesSublayer = (ArcGISMapImageSublayer)usaMapImageLayer.Sublayers[3];
// Get the service feature table for each of the sublayers.
ServiceFeatureTable citiesTable = citiesSublayer.Table;
ServiceFeatureTable statesTable = statesSublayer.Table;
ServiceFeatureTable countiesTable = countiesSublayer.Table;
// Create the query parameters that will find features in the current extent with a population greater than the value entered.
QueryParameters populationQuery = new QueryParameters
{
WhereClause = "POP2000 > " + populationNumber,
Geometry = _myMapView.GetCurrentViewpoint(ViewpointType.BoundingGeometry).TargetGeometry
};
// Query each of the sublayers with the query parameters.
FeatureQueryResult citiesQueryResult = await citiesTable.QueryFeaturesAsync(populationQuery);
FeatureQueryResult statesQueryResult = await statesTable.QueryFeaturesAsync(populationQuery);
FeatureQueryResult countiesQueryResult = await countiesTable.QueryFeaturesAsync(populationQuery);
// Display the selected cities in the graphics overlay.
SimpleMarkerSymbol citySymbol = new SimpleMarkerSymbol(SimpleMarkerSymbolStyle.Circle, Color.Red, 16);
foreach (Feature city in citiesQueryResult)
{
Graphic cityGraphic = new Graphic(city.Geometry, citySymbol);
_selectedFeaturesOverlay.Graphics.Add(cityGraphic);
}
// Display the selected counties in the graphics overlay.
SimpleLineSymbol countyLineSymbol = new SimpleLineSymbol(SimpleLineSymbolStyle.Dash, Color.Cyan, 2);
SimpleFillSymbol countySymbol = new SimpleFillSymbol(SimpleFillSymbolStyle.DiagonalCross, Color.Cyan, countyLineSymbol);
foreach (Feature county in countiesQueryResult)
{
Graphic countyGraphic = new Graphic(county.Geometry, countySymbol);
_selectedFeaturesOverlay.Graphics.Add(countyGraphic);
}
// Display the selected states in the graphics overlay.
SimpleLineSymbol stateLineSymbol = new SimpleLineSymbol(SimpleLineSymbolStyle.Solid, Color.DarkCyan, 6);
SimpleFillSymbol stateSymbol = new SimpleFillSymbol(SimpleFillSymbolStyle.Null, Color.Cyan, stateLineSymbol);
foreach (Feature state in statesQueryResult)
{
Graphic stateGraphic = new Graphic(state.Geometry, stateSymbol);
_selectedFeaturesOverlay.Graphics.Add(stateGraphic);
}
}
catch (Exception e)
{
new UIAlertView("Error", e.ToString(), (IUIAlertViewDelegate)null, "OK", null).Show();
}
}
private async void QuerySublayers_Click(object sender, System.Windows.RoutedEventArgs e)
{
// Clear selected features from the graphics overlay.
_selectedFeaturesOverlay.Graphics.Clear();
// If the population value entered is not numeric, warn the user and exit.
double populationNumber = 0.0;
if (!double.TryParse(PopulationTextBox.Text.Trim(), out populationNumber))
{
MessageBox.Show("The population value must be numeric.", "Query error");
return;
}
// Get the USA map image layer (the first and only operational layer in the map).
ArcGISMapImageLayer usaMapImageLayer = (ArcGISMapImageLayer)MyMapView.Map.OperationalLayers[0];
try
{
// Use a utility method on the map image layer to load all the sublayers and tables.
await usaMapImageLayer.LoadTablesAndLayersAsync();
// Get the sublayers of interest (skip 'Highways' since it doesn't have the POP2000 field).
ArcGISMapImageSublayer citiesSublayer = (ArcGISMapImageSublayer)usaMapImageLayer.Sublayers[0];
ArcGISMapImageSublayer statesSublayer = (ArcGISMapImageSublayer)usaMapImageLayer.Sublayers[2];
ArcGISMapImageSublayer countiesSublayer = (ArcGISMapImageSublayer)usaMapImageLayer.Sublayers[3];
// Get the service feature table for each of the sublayers.
ServiceFeatureTable citiesTable = citiesSublayer.Table;
ServiceFeatureTable statesTable = statesSublayer.Table;
ServiceFeatureTable countiesTable = countiesSublayer.Table;
// Create the query parameters that will find features in the current extent with a population greater than the value entered.
QueryParameters populationQuery = new QueryParameters
{
WhereClause = "POP2000 > " + PopulationTextBox.Text,
Geometry = MyMapView.GetCurrentViewpoint(ViewpointType.BoundingGeometry).TargetGeometry
};
// Query each of the sublayers with the query parameters.
FeatureQueryResult citiesQueryResult = await citiesTable.QueryFeaturesAsync(populationQuery);
FeatureQueryResult statesQueryResult = await statesTable.QueryFeaturesAsync(populationQuery);
FeatureQueryResult countiesQueryResult = await countiesTable.QueryFeaturesAsync(populationQuery);
// Display the selected cities in the graphics overlay.
SimpleMarkerSymbol citySymbol = new SimpleMarkerSymbol(SimpleMarkerSymbolStyle.Circle, Color.Red, 16);
foreach (Feature city in citiesQueryResult)
{
Graphic cityGraphic = new Graphic(city.Geometry, citySymbol);
_selectedFeaturesOverlay.Graphics.Add(cityGraphic);
}
// Display the selected counties in the graphics overlay.
SimpleLineSymbol countyLineSymbol = new SimpleLineSymbol(SimpleLineSymbolStyle.Dash, Color.Cyan, 2);
SimpleFillSymbol countySymbol = new SimpleFillSymbol(SimpleFillSymbolStyle.DiagonalCross, Color.Cyan, countyLineSymbol);
foreach (Feature county in countiesQueryResult)
{
Graphic countyGraphic = new Graphic(county.Geometry, countySymbol);
_selectedFeaturesOverlay.Graphics.Add(countyGraphic);
}
// Display the selected states in the graphics overlay.
SimpleLineSymbol stateLineSymbol = new SimpleLineSymbol(SimpleLineSymbolStyle.Solid, Color.DarkCyan, 6);
SimpleFillSymbol stateSymbol = new SimpleFillSymbol(SimpleFillSymbolStyle.Null, Color.Cyan, stateLineSymbol);
foreach (Feature state in statesQueryResult)
{
Graphic stateGraphic = new Graphic(state.Geometry, stateSymbol);
_selectedFeaturesOverlay.Graphics.Add(stateGraphic);
}
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString(), "Error");
}
}
private async void Initialize()
{
// Set paths that are relative to execution path
string currentDir = Directory.GetCurrentDirectory();
int idx = currentDir.IndexOf("bin") - 1;
appRootDir = currentDir.Substring(0, idx);
appDataDir = appRootDir + @"\Data";
appTempDir = appRootDir + @"\temp";
// Set up files
testImage = appDataDir + @"\sampleFile.tiff";
gpPackage = appDataDir + @"\CreateMapTilePackage.gpkx";
mapPackage = appDataDir + @"\emptyMapPackage.mpkx";
Debug.WriteLine(">> App Root Directory = " + appRootDir);
Debug.WriteLine(">> App Data Directory = " + appDataDir);
Debug.WriteLine(">> App Temp Directory = " + appTempDir);
////////////// start Q Basket set up //////////////////
// Create raster layer from a raster file (Geotiff)
Debug.WriteLine("Loading raster layer from " + testImage);
RasterLayer inRasterLayer = new RasterLayer(testImage);
// Load Raster into Raster Layer
try
{
await inRasterLayer.LoadAsync();
if (inRasterLayer.LoadStatus != Esri.ArcGISRuntime.LoadStatus.Loaded)
{
Debug.WriteLine("Error - Input Raster Layer not loaded ");
}
}
catch (Exception ex)
{
string msg = "Unable to load the raster\n";
msg += "Raster file = " + testImage;
msg += "Load status = " + inRasterLayer.LoadStatus.ToString();
msg += "\n\nMessage: " + ex.Message;
MessageBox.Show(msg, "inRasterLayer.LoadAsync failed");
}
// Create a new EnvelopeBuilder from the full extent of the raster layer.
// Add a small zoom to make sure entire map is viewable
EnvelopeBuilder envelopeBuilder = new EnvelopeBuilder(inRasterLayer.FullExtent);
envelopeBuilder.Expand(0.75);
// Create a basemap from the raster layer
Basemap baseMap = new Basemap(inRasterLayer);
// Create a new map using the new basemap
Map newMap = new Map(baseMap);
// Set the viewpoint of the map to the proper extent.
newMap.InitialViewpoint = new Viewpoint(envelopeBuilder.ToGeometry().Extent);
// Create a map and add it to the view
MyMapView.Map = newMap;
// Load new map to display basemap
try
{
// Add map to the map view.
MyMapView.Map = newMap;
// Wait for the map to load.
await newMap.LoadAsync();
}
catch (Exception ex)
{
string msg = "Unable to load the Map\n";
msg += "\n\nMessage: " + ex.Message;
MessageBox.Show(msg, "newMap.LoadAsync failed");
}
// Wait for rendering to finish before taking the screenshot for the thumbnail
await WaitForRenderCompleteAsync(MyMapView);
////////////// end Q Basket set up //////////////////
// Start the 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.
// Avoid Windows path length limitations (260).
// CreateDirectory won't overwrite if it already exists.
Directory.CreateDirectory(appTempDir);
LocalServer.Instance.AppDataPath = appTempDir;
// Start the local server instance
await LocalServer.Instance.StartAsync();
MessageBox.Show("Local Server started");
Debug.WriteLine(">> Local Server started");
// Get the URL for the localServer
// localhost port is variable
localServerURL = LocalServer.Instance.Url.AbsoluteUri;
Debug.WriteLine("\n>> Local server url - " + localServerURL);
Debug.WriteLine(">> Local server App Data Path - " +
LocalServer.Instance.AppDataPath);
}
catch (Exception ex)
{
string msg = "Please ensure the local server is installed \nand configured correctly";
msg += String.Format("\nMessage: {0}", ex.Message);
MessageBox.Show(msg, "Local Server failed to start");
Debug.WriteLine(msg);
App.Current.Shutdown();
}
// LOCAL MAP SERVICE INIT
// Create and start the local map service
try
{
_localMapService = new LocalMapService(mapPackage);
}
catch (Exception ex)
{
string msg = "Cannot create the local map service";
msg += "Map Package = " + mapPackage;
msg += String.Format("\nMessage: {0}", ex.Message);
MessageBox.Show(msg, "Local Map Server failed to start");
Debug.WriteLine(msg);
App.Current.Shutdown();
}
// RASTER WORKSPACE CREATION
// Create the Raster workspace; this workspace name was chosen arbitrarily
// Does workspace need to be the same directory as rasters?
// setting to temp directory
rasterWorkspace = new RasterWorkspace("raster_wkspc", appTempDir);
Debug.WriteLine(">> raster workspace folder = " + rasterWorkspace.FolderPath);
Debug.WriteLine(">> raster workspace id = " + rasterWorkspace.Id);
// Create the layer source that represents the Raster on disk
RasterSublayerSource source = new RasterSublayerSource(rasterWorkspace.Id, testImage);
// Create a sublayer instance from the table source
_rasterSublayer = new ArcGISMapImageSublayer(0, source);
// Add the dynamic workspace to the map service
_localMapService.SetDynamicWorkspaces(new List <DynamicWorkspace>()
{
rasterWorkspace
});
// Register map service status chagne event handle
_localMapService.StatusChanged += _localMapService_StatusChanged;
// Start the map service
try
{
await _localMapService.StartAsync();
}
catch (Exception ex)
{
string msg = "Cannot start the local map service";
msg += "Map Package = " + mapPackage;
msg += String.Format("\nMessage: {0}", ex.Message);
MessageBox.Show(msg, "Local Map Server failed to start");
Debug.WriteLine(msg);
App.Current.Shutdown();
}
// Get the url to the local map service
localMapServiceURL = _localMapService.Url.AbsoluteUri;
MessageBox.Show("Local Map Service URL = " + localMapServiceURL);
Debug.WriteLine("Local Map Service URL = " + localMapServiceURL);
// LOCAL GEOPROCESSING SERVICE INIT
// Create the geoprocessing service
_localGPservice = new LocalGeoprocessingService(gpPackage, gpServiceType);
// Ass GP service status chagned event handler
_localGPservice.StatusChanged += GpServiceOnStatusChanged;
// Try to start the service
try
{
// Start the service
await _localGPservice.StartAsync();
if (_localGPservice.Status == LocalServerStatus.Failed)
{
string msg = ("Geoprocessing service failed to start.\n");
MessageBox.Show(msg, "gpService.StartAsync failed");
App.Current.Shutdown();
}
else if (_localGPservice.Status == LocalServerStatus.Started)
{
localGPserviceUrl = _localGPservice.Url.AbsoluteUri + "/CreateMapTilePackage";
string msg = ("Geoprocessing service started.\n");
msg += "\n>> GP Service URL: " + localGPserviceUrl;
msg += ">> GP Service Max Records: " + _localGPservice.MaxRecords;
msg += ">> GP Service Package Path: " + _localGPservice.PackagePath;
msg += ">> GP Service Type: " + _localGPservice.ServiceType;
MessageBox.Show(msg, "gpService.StartAsync started");
Debug.WriteLine("\n>> GP Service URL: " + localGPserviceUrl);
Debug.WriteLine(">> GP Service Max Records: " + _localGPservice.MaxRecords);
Debug.WriteLine(">> GP Service Package Path: " + _localGPservice.PackagePath);
Debug.WriteLine(">> GP Service Type: " + _localGPservice.ServiceType);
}
}
catch (Exception ex)
{
string msg = ("Geoprocessing service failed to start.\n");
msg += "\nGeoprocessing package - " + gpPackage + "\n";
msg += String.Format("\nMessage: {0}", ex.Message);
MessageBox.Show(msg, "gpService.StartAsync failed");
return;
}
// GEOPROCESSING TASK INIT
// Create the geoprocessing task from the service
try
{
string url = _localGPservice.Url + "/CreateMapTilePackage";
_gpTask = await GeoprocessingTask.CreateAsync(new Uri(url));
}
catch (Exception ex)
{
string msg = ("Geoprocessing task failed to start.\n");
msg += "\nlocalGPserviceUrl- " + localGPserviceUrl + "\n";
msg += String.Format("\nMessage: {0}", ex.Message);
MessageBox.Show(msg, "GeoprocessingTask.CreateAsync failed");
return;
}
MessageBox.Show("GeoprocessingTask.CreateAsync created");
// GEOPROCESSING JOB
// Create the geoprocessing parameters
GeoprocessingParameters gpParams = new GeoprocessingParameters(gpExecutionType);
// Add the interval parameter to the geoprocessing parameters
//GeoprocessingString Input_Map = new GeoprocessingString("MyMapView.Map");
GeoprocessingString Input_Map = new GeoprocessingString("localMapServiceURL");
GeoprocessingDouble Max_LOD = new GeoprocessingDouble(10);
GeoprocessingString Output_Package = new GeoprocessingString("C://Karen/Data/TilePackages/test.tpkx");
gpParams.Inputs.Add("Input_Map", Input_Map);
gpParams.Inputs.Add("Max_LOD", Max_LOD);
gpParams.Inputs.Add("Output_Package", Output_Package);
// Create the job
try
{
_gpJob = _gpTask.CreateJob(gpParams);
}
catch (Exception ex)
{
string msg = ("Geoprocessing job cannot be created.\n");
msg += String.Format("\nMessage: {0}", ex.Message);
MessageBox.Show(msg, "_gpTask.CreateJob failed");
return;
}
MessageBox.Show("GeoprocessingTask.CreateJob created");
MyLoadingIndicator.Visibility = Visibility.Visible;
// 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.JobChanged += GpJobOnJobChanged;
// Start the job
try
{
_gpJob.Start();
}
catch (Exception ex)
{
string msg = ("Geoprocessing start job failed to start.\n");
msg += String.Format("\nMessage: {0}", ex.Message);
MessageBox.Show(msg, "_gpjob.Start failed");
return;
}
MessageBox.Show("GeoprocessingTask job started");
}
