RasterTileCache¶

Namespace: ThinkGeo.Core

This is the base class for BitmapTileCache system which inherits from TileCache class.

public abstract class RasterTileCache : TileCache

Remarks:

TileCahce system is very efficient in improving the performance of application, especially when large data or remote server images are included.

Properties¶

This property returns back a preset image showing the tileView data is missing.

public GeoImage NoDataTileImage { get; }

This property returns back a preset image showing the Tile is loading.

public GeoImage LoadingTileImage { get; }

Gets or sets the tileView image format.

public RasterTileFormat ImageFormat { get; set; }

Gets or sets the Jpeg quality , this property only take effects when setting the ImageFormat to Jpeg.

public short JpegQuality { get; set; }

Gets or sets the Mode for the TileCache access the tiles. The Default value is ReadAddDelete

public TileAccessMode TileAccessMode { get; set; }

Remarks:

If you want it to take effect, you need set the Read property false.

Gets or sets the id of the TileCache.

public string CacheId { get; set; }

public TimeSpan ExpirationTime { get; set; }

public string ToString()

public event EventHandler<GottenCacheImageBitmapTileCacheEventArgs> GottenCacheTile;

public event EventHandler<GettingCacheImageBitmapTileCacheEventArgs> GettingCacheTile;