public static async Task DisplayRasterWithSymbolAsync(Uri rasterUri, string displayName, string styleCategory, string styleName,
string fieldName, int transparency, bool isVisible)
{
// parse the uri for the folder and file
string strFileName = null;
string strFolderPath = null;
if (rasterUri.IsFile)
{
strFileName = System.IO.Path.GetFileName(rasterUri.LocalPath);
strFolderPath = System.IO.Path.GetDirectoryName(rasterUri.LocalPath);
}
// Open the requested raster so we know it exists; return if it doesn't
await QueuedTask.Run(async() =>
{
RasterDataset rDataset = null;
// Opens a file geodatabase. This will open the geodatabase if the folder exists and contains a valid geodatabase.
using (Geodatabase geodatabase =
new Geodatabase(new FileGeodatabaseConnectionPath(new Uri(strFolderPath))))
{
// Use the geodatabase.
try
{
rDataset = geodatabase.OpenDataset <RasterDataset>(strFileName);
}
catch (GeodatabaseTableException e)
{
Debug.WriteLine("DisplayRasterWithSymbolAsync: Unable to open raster " + strFileName);
Debug.WriteLine("DisplayRasterWithSymbolAsync: " + e.Message);
return;
}
}
RasterLayer rasterLayer = null;
// Create the raster layer on the active map
await QueuedTask.Run(() =>
{
rasterLayer = (RasterLayer)LayerFactory.Instance.CreateLayer(rasterUri, MapView.Active.Map);
});
// Set raster layer transparency and name
if (rasterLayer != null)
{
rasterLayer.SetTransparency(transparency);
rasterLayer.SetName(displayName);
rasterLayer.SetVisibility(isVisible);
// Create and deploy the unique values renderer
await MapTools.SetToUniqueValueColorizer(displayName, styleCategory, styleName, fieldName);
}
});
}
public static async Task DisplayRasterAsync(Uri rasterUri, string displayName, int transparency)
{
// parse the uri for the folder and file
string strFileName = null;
string strFolderPath = null;
if (rasterUri.IsFile)
{
strFileName = System.IO.Path.GetFileName(rasterUri.LocalPath);
strFolderPath = System.IO.Path.GetDirectoryName(rasterUri.LocalPath);
}
await QueuedTask.Run(() =>
{
RasterDataset rDataset = null;
// Opens a file geodatabase. This will open the geodatabase if the folder exists and contains a valid geodatabase.
using (Geodatabase geodatabase =
new Geodatabase(new FileGeodatabaseConnectionPath(new Uri(strFolderPath))))
{
// Use the geodatabase.
try
{
rDataset = geodatabase.OpenDataset <RasterDataset>(strFileName);
}
catch (GeodatabaseTableException e)
{
Debug.WriteLine("DisplayRasterAsync: Unable to open raster " + strFileName);
Debug.WriteLine("DisplayRasterAsync: " + e.Message);
return;
}
}
// Create a new colorizer definition using default constructor.
StretchColorizerDefinition stretchColorizerDef = new StretchColorizerDefinition();
RasterLayer rasterLayer = (RasterLayer)LayerFactory.Instance.CreateLayer(rasterUri, MapView.Active.Map);
if (rasterLayer != null)
{
rasterLayer.SetTransparency(transparency);
rasterLayer.SetName(displayName);
}
});
}
