Exemple #1
0
        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);
                }
            });
        }
Exemple #2
0
        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);
                }
            });
        }