private async Task<ArcGISDynamicMapServiceLayer> AddFileDatasetToDynamicMapServiceLayer(WorkspaceFactoryType workspaceType, string directoryPath, List<string> fileNames)
{
try
{
// Create a new WorkspaceInfo object with a unique ID.
string uniqueId = Guid.NewGuid().ToString();
WorkspaceInfo workspaceInfo = new WorkspaceInfo(uniqueId, workspaceType, "DATABASE=" + directoryPath);
// Create and initialize a new LocalMapService instance.
LocalMapService localMapService = new LocalMapService(_emptyMapPackage) { EnableDynamicLayers = true };
localMapService.DynamicWorkspaces.Add(workspaceInfo);
await localMapService.StartAsync();
// Create and initialize new ArcGISLocalDynamicMapServiceLayer over the local service.
var dynLayer = new ArcGISDynamicMapServiceLayer()
{
ID = "Workspace: " + (new DirectoryInfo(directoryPath)).Name,
ServiceUri = localMapService.UrlMapService
};
await dynLayer.InitializeAsync();
// Create a DynamicLayerInfoCollection to hold the new datasets as "dynamic layers".
DynamicLayerInfoCollection dynamicLayerInfoCollection = new DynamicLayerInfoCollection();
dynLayer.DynamicLayerInfos = dynamicLayerInfoCollection;
// Create a LayerDrawingOptionsCollection to specify the symbology for each layer.
LayerDrawingOptionCollection layerDrawingOptionsCollection = new LayerDrawingOptionCollection();
dynLayer.LayerDrawingOptions = layerDrawingOptionsCollection;
// Iterate over each of the selected files in the workspace.
int counter = 0;
foreach (string fileName in fileNames)
{
// Create a new DynamicLayerInfo (to make changes to existing map service layers use the CreateDynamicLayerInfosFromLayerInfos() method.
DynamicLayerInfo dynamicLayerInfo = new DynamicLayerInfo { ID = counter, Name = "Dataset: " + fileName };
// Create a DataSource object to represent the physical datasource implementation (table or raster) which will become the DataSource
// property of a new LayerDataSource in the map service. Other supported datasource types are JoinDataSource and QueryDataSource.
DataSource dataSource = null;
// If the workspace type is Raster create a new RasterDataSource.
if (workspaceInfo.FactoryType == WorkspaceFactoryType.Raster)
{
// Create a new RasterDataSource object
dataSource = new RasterDataSource
{
// Match the DataSourceName to the physical filename on disk (including extension).
DataSourceName = fileName,
// Provide the WorkspaceID (the unique workspace identifier created earlier). A LocalMapService may have multiple dynamic workspaces.
WorkspaceID = workspaceInfo.Id
};
}
else
{
// Else if the workspace is not Raster create a new TableDataSource
dataSource = new TableDataSource
{
// Match the DataSourceName to the physical filename on disk (excluding extension).
DataSourceName = fileName,
// Provide the WorkspaceID (the unique workspace identifier created earlier). A LocalMapService may have multiple dynamic workspaces.
WorkspaceID = workspaceInfo.Id
};
}
// Set the Source property of the DynamicLayerInfo object.
dynamicLayerInfo.Source = new LayerDataSource { DataSource = dataSource };
// Add the new DynamicLayerInfo object to the collection.
dynamicLayerInfoCollection.Add(dynamicLayerInfo);
// Create a new LayerDrawingOptions object to hold the renderer information.
var layerDrawOpt = new LayerDrawingOptions()
{
// Match up the LayerID to the ID of the layer within the service.
LayerID = counter,
};
// Use the GetDetails method which now supports dynamic data sources to determine the geometry type of the new datasource.
var featureLayerInfo = await dynLayer.GetDetailsAsync(dynamicLayerInfo.ID);
switch (featureLayerInfo.GeometryType)
{
case GeometryType.Envelope:
layerDrawOpt.Renderer = new SimpleRenderer() { Symbol = new SimpleFillSymbol() { Color = GetRandomColor(), Outline = new SimpleLineSymbol() { Color = GetRandomColor() } } };
break;
case GeometryType.MultiPoint:
layerDrawOpt.Renderer = new SimpleRenderer() { Symbol = new SimpleMarkerSymbol() { Color = GetRandomColor(), Size = 8 } };
break;
case GeometryType.Point:
layerDrawOpt.Renderer = new SimpleRenderer() { Symbol = new SimpleMarkerSymbol() { Color = GetRandomColor(), Size = 8 } };
break;
case GeometryType.Polygon:
layerDrawOpt.Renderer = new SimpleRenderer() { Symbol = new SimpleFillSymbol() { Color = GetRandomColor(), Outline = new SimpleLineSymbol() { Color = GetRandomColor() } } };
break;
case GeometryType.Polyline:
layerDrawOpt.Renderer = new SimpleRenderer() { Symbol = new SimpleLineSymbol() { Color = GetRandomColor() } };
break;
default:
break;
}
// Set the LayerDrawingOptions property on the local dynamic map service layer (the LayerID property ties this to the DynamicLayerInfo object).
layerDrawingOptionsCollection.Add(layerDrawOpt);
counter++;
}
return dynLayer;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
return null;
}
}
private async Task <ArcGISDynamicMapServiceLayer> AddFileDatasetToDynamicMapServiceLayer(WorkspaceFactoryType workspaceType, string directoryPath, List <string> fileNames)
{
try
{
// Create a new WorkspaceInfo object with a unique ID.
string uniqueId = Guid.NewGuid().ToString();
WorkspaceInfo workspaceInfo = new WorkspaceInfo(uniqueId, workspaceType, "DATABASE=" + directoryPath);
// Create and initialize a new LocalMapService instance.
LocalMapService localMapService = new LocalMapService(_emptyMapPackage)
{
EnableDynamicLayers = true
};
localMapService.DynamicWorkspaces.Add(workspaceInfo);
await localMapService.StartAsync();
// Create and initialize new ArcGISLocalDynamicMapServiceLayer over the local service.
var dynLayer = new ArcGISDynamicMapServiceLayer()
{
ID = "Workspace: " + (new DirectoryInfo(directoryPath)).Name,
ServiceUri = localMapService.UrlMapService
};
await dynLayer.InitializeAsync();
// Create a DynamicLayerInfoCollection to hold the new datasets as "dynamic layers".
DynamicLayerInfoCollection dynamicLayerInfoCollection = new DynamicLayerInfoCollection();
dynLayer.DynamicLayerInfos = dynamicLayerInfoCollection;
// Create a LayerDrawingOptionsCollection to specify the symbology for each layer.
LayerDrawingOptionCollection layerDrawingOptionsCollection = new LayerDrawingOptionCollection();
dynLayer.LayerDrawingOptions = layerDrawingOptionsCollection;
// Iterate over each of the selected files in the workspace.
int counter = 0;
foreach (string fileName in fileNames)
{
// Create a new DynamicLayerInfo (to make changes to existing map service layers use the CreateDynamicLayerInfosFromLayerInfos() method.
DynamicLayerInfo dynamicLayerInfo = new DynamicLayerInfo {
ID = counter, Name = "Dataset: " + fileName
};
// Create a DataSource object to represent the physical datasource implementation (table or raster) which will become the DataSource
// property of a new LayerDataSource in the map service. Other supported datasource types are JoinDataSource and QueryDataSource.
DataSource dataSource = null;
// If the workspace type is Raster create a new RasterDataSource.
if (workspaceInfo.FactoryType == WorkspaceFactoryType.Raster)
{
// Create a new RasterDataSource object
dataSource = new RasterDataSource
{
// Match the DataSourceName to the physical filename on disk (including extension).
DataSourceName = fileName,
// Provide the WorkspaceID (the unique workspace identifier created earlier). A LocalMapService may have multiple dynamic workspaces.
WorkspaceID = workspaceInfo.Id
};
}
else
{
// Else if the workspace is not Raster create a new TableDataSource
dataSource = new TableDataSource
{
// Match the DataSourceName to the physical filename on disk (excluding extension).
DataSourceName = fileName,
// Provide the WorkspaceID (the unique workspace identifier created earlier). A LocalMapService may have multiple dynamic workspaces.
WorkspaceID = workspaceInfo.Id
};
}
// Set the Source property of the DynamicLayerInfo object.
dynamicLayerInfo.Source = new LayerDataSource {
DataSource = dataSource
};
// Add the new DynamicLayerInfo object to the collection.
dynamicLayerInfoCollection.Add(dynamicLayerInfo);
// Create a new LayerDrawingOptions object to hold the renderer information.
var layerDrawOpt = new LayerDrawingOptions()
{
// Match up the LayerID to the ID of the layer within the service.
LayerID = counter,
};
// Use the GetDetails method which now supports dynamic data sources to determine the geometry type of the new datasource.
var featureLayerInfo = await dynLayer.GetDetailsAsync(dynamicLayerInfo.ID);
switch (featureLayerInfo.GeometryType)
{
case GeometryType.Envelope:
layerDrawOpt.Renderer = new SimpleRenderer()
{
Symbol = new SimpleFillSymbol()
{
Color = GetRandomColor(), Outline = new SimpleLineSymbol()
{
Color = GetRandomColor()
}
}
};
break;
case GeometryType.Multipoint:
layerDrawOpt.Renderer = new SimpleRenderer()
{
Symbol = new SimpleMarkerSymbol()
{
Color = GetRandomColor(), Size = 8
}
};
break;
case GeometryType.Point:
layerDrawOpt.Renderer = new SimpleRenderer()
{
Symbol = new SimpleMarkerSymbol()
{
Color = GetRandomColor(), Size = 8
}
};
break;
case GeometryType.Polygon:
layerDrawOpt.Renderer = new SimpleRenderer()
{
Symbol = new SimpleFillSymbol()
{
Color = GetRandomColor(), Outline = new SimpleLineSymbol()
{
Color = GetRandomColor()
}
}
};
break;
case GeometryType.Polyline:
layerDrawOpt.Renderer = new SimpleRenderer()
{
Symbol = new SimpleLineSymbol()
{
Color = GetRandomColor()
}
};
break;
default:
break;
}
// Set the LayerDrawingOptions property on the local dynamic map service layer (the LayerID property ties this to the DynamicLayerInfo object).
layerDrawingOptionsCollection.Add(layerDrawOpt);
counter++;
}
return(dynLayer);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
return(null);
}
}
/// <summary>
/// Adds a file dataset (Shapefile or raster) to a new local dynamic map service layer.
/// </summary>
/// <param name="workspaceType">The workspace type (FileGDB, Raster, SDE, Shapefile) <see cref="http://resources.arcgis.com/en/help/runtime-wpf/apiref/index.html?ESRI.ArcGIS.Client.Local~ESRI.ArcGIS.Client.Local.WorkspaceFactoryType.html"/>.</param>
/// <param name="directoryPath">A <see cref="System.String"/> representing the directory path.</param>
/// <param name="fileNames">A <see cref="System.Collections.Generic.List{System.String}"/> representing the name of the file (for raster datasets this must include the extension).</param>
/// <param name="callback">The Action delegate to call back on once the dynamic layer work is complete.</param>
public void AddFileDatasetToDynamicMapServiceLayer(WorkspaceFactoryType workspaceType, string directoryPath, List <string> fileNames, Action <ArcGISLocalDynamicMapServiceLayer> callback)
{
try
{
// Generate a unique workspace ID (any unique string).
string uniqueId = Guid.NewGuid().ToString();
// Create a new WorkspaceInfo object with a unique ID.
WorkspaceInfo workspaceInfo = new WorkspaceInfo(uniqueId, workspaceType, "DATABASE=" + directoryPath);
// Create a new LocalMapService instance.
LocalMapService localMapService = new LocalMapService
{
// Set the path property.
Path = _emptyMpkPath,
// Enable the dynamic layers capability.
EnableDynamicLayers = true
};
// Register the workspace to be used with this service.
localMapService.DynamicWorkspaces.Add(workspaceInfo);
// Asynchronously start the local map service.
localMapService.StartAsync(x =>
{
// Create the local dynamic map service layer.
ArcGISLocalDynamicMapServiceLayer arcGisLocalDynamicMapServiceLayer = null;
// Create a new ArcGISLocalDynamicMapServiceLayer passing in the newly started local service.
arcGisLocalDynamicMapServiceLayer = new ArcGISLocalDynamicMapServiceLayer(localMapService)
{
// Assign the filename as the map layer ID.
ID = "Workspace: " + (new DirectoryInfo(directoryPath)).Name,
// Enable the dynamic layers capability.
EnableDynamicLayers = true,
};
// Handle the layer initialized event inline to perform the layer dynamic layer management.
arcGisLocalDynamicMapServiceLayer.Initialized += (s, e) =>
{
// Create a DynamicLayerInfoCollection to hold the new datasets as "dynamic layers".
DynamicLayerInfoCollection dynamicLayerInfoCollection = new DynamicLayerInfoCollection();
// Create a LayerDrawingOptionsCollection to specify the symbology for each layer.
LayerDrawingOptionsCollection layerDrawingOptionsCollection = new LayerDrawingOptionsCollection();
// Iterate over each of the selected files in the workspace.
int counter = 0;
foreach (string fileName in fileNames)
{
// Create a new DynamicLayerInfo (to make changes to existing map service layers use the CreateDynamicLayerInfosFromLayerInfos() method.
DynamicLayerInfo dynamicLayerInfo = new DynamicLayerInfo
{
// Assign a layer ID.
ID = counter,
// Specify a friendly name.
Name = "Dataset: " + fileName
};
// Create a DataSource object to represent the physical datasource implementation (table or raster) which will become the DataSource
// property of a new LayerDataSource in the map service. Other supported datasource types are JoinDataSource and QueryDataSource.
DataSource dataSource = null;
// If the workspace type is Raster create a new RasterDataSource.
if (workspaceInfo.FactoryType == WorkspaceFactoryType.Raster)
{
// Create a new RasterDataSource object
dataSource = new RasterDataSource
{
// Match the DataSourceName to the physical filename on disk (including extension).
DataSourceName = fileName,
// Provide the WorkspaceID (the unique workspace identifier created earlier). A LocalMapService may have multiple dynamic workspaces.
WorkspaceID = workspaceInfo.Id
};
}
else
{
// Else if the workspace is not Raster create a new TableDataSource
dataSource = new TableDataSource
{
// Match the DataSourceName to the physical filename on disk (excluding extension).
DataSourceName = fileName,
// Provide the WorkspaceID (the unique workspace identifier created earlier). A LocalMapService may have multiple dynamic workspaces.
WorkspaceID = workspaceInfo.Id
};
/*
* Apply a renderer for vector layers.
* Note: It is always necessary to provide a renderer when the layer being added (represented by a DynamicLayerInfo) is part of a new
* DynamicLayerInfoCollection as opposed to using the CreateDynamicLayerInfosFromLayerInfos() method which creates a DynamicLayerInfoCollection
* containing the existing layers in the map service. However, the renderer provided does not need to be valid with regard to the actual
* layer and geometry type, it simply needs to be a valid renderer. If the renderer specified here is not appropriate for the geometry type of
* the layer the symbology will fall back to a default SimpleMarkerSymbol, SimpleLineSymbol or SimpleFillSymbol.
*/
// Create a new LayerDrawingOptions object to hold the renderer information.
var layerDrawOpt = new LayerDrawingOptions()
{
// Match up the LayerID to the ID of the layer within the service.
LayerID = counter,
// Provide a renderer. In this example it is an empty SimpleMarkerSymbol.
Renderer = new SimpleRenderer()
{
Symbol = new SimpleMarkerSymbol()
{
}
},
};
// Set the LayerDrawingOptions property on the local dynamic map service layer (the LayerID property ties this to the DynamicLayerInfo object).
layerDrawingOptionsCollection.Add(layerDrawOpt);
}
// Set the Source property of the DynamicLayerInfo object.
dynamicLayerInfo.Source = new LayerDataSource {
DataSource = dataSource
};
// Add the new DynamicLayerInfo object to the collection.
dynamicLayerInfoCollection.Add(dynamicLayerInfo);
// Increment the counter which is being used to assign Layer IDs.
counter++;
}
// Update the DynamicLayerInfos property on the dynamic map service layer.
arcGisLocalDynamicMapServiceLayer.DynamicLayerInfos = dynamicLayerInfoCollection;
// Update the layer drawing options property on the dynamic map service layer.
arcGisLocalDynamicMapServiceLayer.LayerDrawingOptions = layerDrawingOptionsCollection;
// Refresh the layer.
arcGisLocalDynamicMapServiceLayer.Refresh();
// Call the Action delegate.
callback(arcGisLocalDynamicMapServiceLayer);
};
// Call the Initialize method on the layer to initialize the layer properties.
arcGisLocalDynamicMapServiceLayer.Initialize();
});
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
/// <summary>
/// Adds a file dataset (Shapefile or raster) to a new local dynamic map service layer.
/// </summary>
/// <param name="workspaceType">The workspace type (FileGDB, Raster, SDE, Shapefile) <see cref="http://resources.arcgis.com/en/help/runtime-wpf/apiref/index.html?ESRI.ArcGIS.Client.Local~ESRI.ArcGIS.Client.Local.WorkspaceFactoryType.html"/>.</param>
/// <param name="directoryPath">A <see cref="System.String"/> representing the directory path.</param>
/// <param name="fileNames">A <see cref="System.Collections.Generic.List{System.String}"/> representing the name of the file (for raster datasets this must include the extension).</param>
/// <param name="callback">The Action delegate to call back on once the dynamic layer work is complete.</param>
public void AddFileDatasetToDynamicMapServiceLayer(WorkspaceFactoryType workspaceType, string directoryPath, List <string> fileNames, Action <ArcGISLocalDynamicMapServiceLayer> callback)
{
try
{
// Generate a unique workspace ID (any unique string).
string uniqueId = Guid.NewGuid().ToString();
// Create a new WorkspaceInfo object with a unique ID.
WorkspaceInfo workspaceInfo = new WorkspaceInfo(uniqueId, workspaceType, "DATABASE=" + directoryPath);
// Create a new LocalMapService instance.
LocalMapService localMapService = new LocalMapService
{
// Set the path property.
Path = _emptyMpkPath,
// Enable the dynamic layers capability.
EnableDynamicLayers = true
};
// Register the workspace to be used with this service.
localMapService.DynamicWorkspaces.Add(workspaceInfo);
// Asynchronously start the local map service.
localMapService.StartAsync(x =>
{
// Create the local dynamic map service layer.
ArcGISLocalDynamicMapServiceLayer arcGisLocalDynamicMapServiceLayer = null;
// Create a new ArcGISLocalDynamicMapServiceLayer passing in the newly started local service.
arcGisLocalDynamicMapServiceLayer = new ArcGISLocalDynamicMapServiceLayer(localMapService)
{
// Assign the filename as the map layer ID.
ID = "Workspace: " + (new DirectoryInfo(directoryPath)).Name,
// Enable the dynamic layers capability.
EnableDynamicLayers = true,
};
// Handle the layer initialized event inline to perform the layer dynamic layer management.
arcGisLocalDynamicMapServiceLayer.Initialized += (s, e) =>
{
// Create a DynamicLayerInfoCollection to hold the new datasets as "dynamic layers".
DynamicLayerInfoCollection dynamicLayerInfoCollection = new DynamicLayerInfoCollection();
// Create a LayerDrawingOptionsCollection to specify the symbology for each layer.
LayerDrawingOptionsCollection layerDrawingOptionsCollection = new LayerDrawingOptionsCollection();
// Iterate over each of the selected files in the workspace.
int counter = 0;
foreach (string fileName in fileNames)
{
// Create a new DynamicLayerInfo (to make changes to existing map service layers use the CreateDynamicLayerInfosFromLayerInfos() method.
DynamicLayerInfo dynamicLayerInfo = new DynamicLayerInfo
{
// Assign a layer ID.
ID = counter,
// Specify a friendly name.
Name = "Dataset: " + fileName
};
// Create a DataSource object to represent the physical datasource implementation (table or raster) which will become the DataSource
// property of a new LayerDataSource in the map service. Other supported datasource types are JoinDataSource and QueryDataSource.
DataSource dataSource = null;
// If the workspace type is Raster create a new RasterDataSource.
if (workspaceInfo.FactoryType == WorkspaceFactoryType.Raster)
{
// Create a new RasterDataSource object
dataSource = new RasterDataSource
{
// Match the DataSourceName to the physical filename on disk (including extension).
DataSourceName = fileName,
// Provide the WorkspaceID (the unique workspace identifier created earlier). A LocalMapService may have multiple dynamic workspaces.
WorkspaceID = workspaceInfo.Id
};
}
else
{
// Else if the workspace is not Raster create a new TableDataSource
dataSource = new TableDataSource
{
// Match the DataSourceName to the physical filename on disk (excluding extension).
DataSourceName = fileName,
// Provide the WorkspaceID (the unique workspace identifier created earlier). A LocalMapService may have multiple dynamic workspaces.
WorkspaceID = workspaceInfo.Id
};
/*
* Apply a renderer for vector layers.
* Note: It is always necessary to provide a renderer when the layer being added (represented by a DynamicLayerInfo) is part of a new
* DynamicLayerInfoCollection as opposed to using the CreateDynamicLayerInfosFromLayerInfos() method which creates a DynamicLayerInfoCollection
* containing the existing layers in the map service.
*/
// Create a new LayerDrawingOptions object to hold the renderer information.
var layerDrawOpt = new LayerDrawingOptions()
{
// Match up the LayerID to the ID of the layer within the service.
LayerID = counter,
};
// We need to determine the geometry type of the new feature class.
// To do this, we will submit a request to the ..\MapServer\dynamicLayer?.. endpoint which will return the service level metadata,
// allowing us to identify the geometry type and create an appropriate renderer.
// Note:- This is a workaround until the next release where GetAllDetails will honor the DynamicLayerInfoCollection.
// Create a new WebClient instance to make the request and download the response.
WebClient webClient = new WebClient();
// Register an asynchronous handler in which to create the renderers and apply the to the dynamic map service layer.
webClient.DownloadDataCompleted += (client, downloadDataEventArgs) =>
{
// Read the JSON response as XML
XmlReader reader = System.Runtime.Serialization.Json.JsonReaderWriterFactory.CreateJsonReader(downloadDataEventArgs.Result, new XmlDictionaryReaderQuotas());
// Get the root XML element
XElement root = XElement.Load(reader);
// Query for the "geometryType" element
XElement geometryType = root.XPathSelectElement("//geometryType");
// Create the render based on the geometry type
switch (geometryType.Value)
{
case "esriGeometryPoint":
layerDrawOpt.Renderer = new SimpleRenderer()
{
Symbol = new SimpleMarkerSymbol()
{
Color = new SolidColorBrush(GetRandomColor()), Size = 8
}
};
break;
case "esriGeometryPolyline":
layerDrawOpt.Renderer = new SimpleRenderer()
{
Symbol = new SimpleLineSymbol()
{
Color = new SolidColorBrush(GetRandomColor())
}
};
break;
case "esriGeometryPolygon":
layerDrawOpt.Renderer = new SimpleRenderer()
{
Symbol = new SimpleFillSymbol()
{
Fill = new SolidColorBrush(GetRandomColor()), BorderBrush = new SolidColorBrush(GetRandomColor())
}
};
break;
}
// Set the LayerDrawingOptions property on the local dynamic map service layer (the LayerID property ties this to the DynamicLayerInfo object).
layerDrawingOptionsCollection.Add(layerDrawOpt);
// Update the layer drawing options property on the dynamic map service layer.
arcGisLocalDynamicMapServiceLayer.LayerDrawingOptions = layerDrawingOptionsCollection;
// Need to refresh the layer after the renderer(s) have been applied.
arcGisLocalDynamicMapServiceLayer.Refresh();
};
// Make the request for the service metadata
// e.g. http://127.0.0.1:<PORT>/arcgis/rest/services/<MPK_NAME>/MapServer/dynamicLayer?layer={"id":0,"source":{"type":"dataLayer","dataSource":{"type":"table","workspaceId":"MyWorkspace","dataSourceName":"MyFeatureClassName"}}}
webClient.DownloadDataAsync(new Uri(arcGisLocalDynamicMapServiceLayer.Url
+ "/dynamicLayer?layer={'id':" + counter.ToString() + ","
+ "'source':{'type':'dataLayer','dataSource':{"
+ "'type':'table',"
+ "'workspaceId':'" + workspaceInfo.Id + "',"
+ "'dataSourceName':'" + fileName + "'"
+ "}}}"));
}
// Set the Source property of the DynamicLayerInfo object.
dynamicLayerInfo.Source = new LayerDataSource {
DataSource = dataSource
};
// Add the new DynamicLayerInfo object to the collection.
dynamicLayerInfoCollection.Add(dynamicLayerInfo);
// Increment the counter which is being used to assign Layer IDs.
counter++;
}
// Update the DynamicLayerInfos property on the dynamic map service layer.
arcGisLocalDynamicMapServiceLayer.DynamicLayerInfos = dynamicLayerInfoCollection;
// Call the Action delegate.
callback(arcGisLocalDynamicMapServiceLayer);
};
// Call the Initialize method on the layer to initialize the layer properties.
arcGisLocalDynamicMapServiceLayer.Initialize();
});
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
/// <summary>
/// Adds a file dataset (Shapefile or raster) to a new local dynamic map service layer.
/// </summary>
/// <param name="workspaceType">The workspace type (FileGDB, Raster, SDE, Shapefile) <see cref="http://resources.arcgis.com/en/help/runtime-wpf/apiref/index.html?ESRI.ArcGIS.Client.Local~ESRI.ArcGIS.Client.Local.WorkspaceFactoryType.html"/>.</param>
/// <param name="directoryPath">A <see cref="System.String"/> representing the directory path.</param>
/// <param name="fileNames">A <see cref="System.Collections.Generic.List{System.String}"/> representing the name of the file (for raster datasets this must include the extension).</param>
/// <param name="callback">The Action delegate to call back on once the dynamic layer work is complete.</param>
public void AddFileDatasetToDynamicMapServiceLayer(WorkspaceFactoryType workspaceType, string directoryPath, List<string> fileNames, Action<ArcGISLocalDynamicMapServiceLayer> callback)
{
try
{
// Generate a unique workspace ID (any unique string).
string uniqueId = Guid.NewGuid().ToString();
// Create a new WorkspaceInfo object with a unique ID.
WorkspaceInfo workspaceInfo = new WorkspaceInfo(uniqueId, workspaceType, "DATABASE=" + directoryPath);
// Create a new LocalMapService instance.
LocalMapService localMapService = new LocalMapService
{
// Set the path property.
Path = _emptyMpkPath,
// Enable the dynamic layers capability.
EnableDynamicLayers = true
};
// Register the workspace to be used with this service.
localMapService.DynamicWorkspaces.Add(workspaceInfo);
// Asynchronously start the local map service.
localMapService.StartAsync(x =>
{
// Create the local dynamic map service layer.
ArcGISLocalDynamicMapServiceLayer arcGisLocalDynamicMapServiceLayer = null;
// Create a new ArcGISLocalDynamicMapServiceLayer passing in the newly started local service.
arcGisLocalDynamicMapServiceLayer = new ArcGISLocalDynamicMapServiceLayer(localMapService)
{
// Assign the filename as the map layer ID.
ID = "Workspace: " + (new DirectoryInfo(directoryPath)).Name,
// Enable the dynamic layers capability.
EnableDynamicLayers = true,
};
// Handle the layer initialized event inline to perform the layer dynamic layer management.
arcGisLocalDynamicMapServiceLayer.Initialized += (s, e) =>
{
// Create a DynamicLayerInfoCollection to hold the new datasets as "dynamic layers".
DynamicLayerInfoCollection dynamicLayerInfoCollection = new DynamicLayerInfoCollection();
// Create a LayerDrawingOptionsCollection to specify the symbology for each layer.
LayerDrawingOptionsCollection layerDrawingOptionsCollection = new LayerDrawingOptionsCollection();
// Iterate over each of the selected files in the workspace.
int counter = 0;
foreach (string fileName in fileNames)
{
// Create a new DynamicLayerInfo (to make changes to existing map service layers use the CreateDynamicLayerInfosFromLayerInfos() method.
DynamicLayerInfo dynamicLayerInfo = new DynamicLayerInfo
{
// Assign a layer ID.
ID = counter,
// Specify a friendly name.
Name = "Dataset: " + fileName
};
// Create a DataSource object to represent the physical datasource implementation (table or raster) which will become the DataSource
// property of a new LayerDataSource in the map service. Other supported datasource types are JoinDataSource and QueryDataSource.
DataSource dataSource = null;
// If the workspace type is Raster create a new RasterDataSource.
if (workspaceInfo.FactoryType == WorkspaceFactoryType.Raster)
{
// Create a new RasterDataSource object
dataSource = new RasterDataSource
{
// Match the DataSourceName to the physical filename on disk (including extension).
DataSourceName = fileName,
// Provide the WorkspaceID (the unique workspace identifier created earlier). A LocalMapService may have multiple dynamic workspaces.
WorkspaceID = workspaceInfo.Id
};
}
else
{
// Else if the workspace is not Raster create a new TableDataSource
dataSource = new TableDataSource
{
// Match the DataSourceName to the physical filename on disk (excluding extension).
DataSourceName = fileName,
// Provide the WorkspaceID (the unique workspace identifier created earlier). A LocalMapService may have multiple dynamic workspaces.
WorkspaceID = workspaceInfo.Id
};
/*
* Apply a renderer for vector layers.
* Note: It is always necessary to provide a renderer when the layer being added (represented by a DynamicLayerInfo) is part of a new
* DynamicLayerInfoCollection as opposed to using the CreateDynamicLayerInfosFromLayerInfos() method which creates a DynamicLayerInfoCollection
* containing the existing layers in the map service.
*/
// Create a new LayerDrawingOptions object to hold the renderer information.
var layerDrawOpt = new LayerDrawingOptions()
{
// Match up the LayerID to the ID of the layer within the service.
LayerID = counter,
};
// We need to determine the geometry type of the new feature class.
// To do this, we will submit a request to the ..\MapServer\dynamicLayer?.. endpoint which will return the service level metadata,
// allowing us to identify the geometry type and create an appropriate renderer.
// Note:- This is a workaround until the next release where GetAllDetails will honor the DynamicLayerInfoCollection.
// Create a new WebClient instance to make the request and download the response.
WebClient webClient = new WebClient();
// Register an asynchronous handler in which to create the renderers and apply the to the dynamic map service layer.
webClient.DownloadDataCompleted += (client, downloadDataEventArgs) =>
{
// Read the JSON response as XML
XmlReader reader = System.Runtime.Serialization.Json.JsonReaderWriterFactory.CreateJsonReader(downloadDataEventArgs.Result, new XmlDictionaryReaderQuotas());
// Get the root XML element
XElement root = XElement.Load(reader);
// Query for the "geometryType" element
XElement geometryType = root.XPathSelectElement("//geometryType");
// Create the render based on the geometry type
switch (geometryType.Value)
{
case "esriGeometryPoint":
layerDrawOpt.Renderer = new SimpleRenderer() { Symbol = new SimpleMarkerSymbol() { Color = new SolidColorBrush(GetRandomColor()), Size = 8 } };
break;
case "esriGeometryPolyline":
layerDrawOpt.Renderer = new SimpleRenderer() { Symbol = new SimpleLineSymbol() { Color = new SolidColorBrush(GetRandomColor()) } };
break;
case "esriGeometryPolygon":
layerDrawOpt.Renderer = new SimpleRenderer() { Symbol = new SimpleFillSymbol() { Fill = new SolidColorBrush(GetRandomColor()), BorderBrush = new SolidColorBrush(GetRandomColor()) } };
break;
}
// Set the LayerDrawingOptions property on the local dynamic map service layer (the LayerID property ties this to the DynamicLayerInfo object).
layerDrawingOptionsCollection.Add(layerDrawOpt);
// Update the layer drawing options property on the dynamic map service layer.
arcGisLocalDynamicMapServiceLayer.LayerDrawingOptions = layerDrawingOptionsCollection;
// Need to refresh the layer after the renderer(s) have been applied.
arcGisLocalDynamicMapServiceLayer.Refresh();
};
// Make the request for the service metadata
// e.g. http://127.0.0.1:<PORT>/arcgis/rest/services/<MPK_NAME>/MapServer/dynamicLayer?layer={"id":0,"source":{"type":"dataLayer","dataSource":{"type":"table","workspaceId":"MyWorkspace","dataSourceName":"MyFeatureClassName"}}}
webClient.DownloadDataAsync(new Uri(arcGisLocalDynamicMapServiceLayer.Url
+ "/dynamicLayer?layer={'id':" + counter.ToString() + ","
+ "'source':{'type':'dataLayer','dataSource':{"
+ "'type':'table',"
+ "'workspaceId':'" + workspaceInfo.Id + "',"
+ "'dataSourceName':'" + fileName + "'"
+ "}}}"));
}
// Set the Source property of the DynamicLayerInfo object.
dynamicLayerInfo.Source = new LayerDataSource { DataSource = dataSource };
// Add the new DynamicLayerInfo object to the collection.
dynamicLayerInfoCollection.Add(dynamicLayerInfo);
// Increment the counter which is being used to assign Layer IDs.
counter++;
}
// Update the DynamicLayerInfos property on the dynamic map service layer.
arcGisLocalDynamicMapServiceLayer.DynamicLayerInfos = dynamicLayerInfoCollection;
// Call the Action delegate.
callback(arcGisLocalDynamicMapServiceLayer);
};
// Call the Initialize method on the layer to initialize the layer properties.
arcGisLocalDynamicMapServiceLayer.Initialize();
});
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}