org.gvsig.raster.tilecache.provider

Class FileTileCacheStructImage

java.lang.Object

org.gvsig.tools.dispose.impl.AbstractDisposable

org.gvsig.raster.tilecache.provider.AbstractTileCacheStructImage

org.gvsig.raster.tilecache.provider.FileTileCacheStructImage

All Implemented Interfaces:

TileCacheStructImage, TileStructImage, Disposable

public class FileTileCacheStructImage
extends AbstractTileCacheStructImage

Represents a tiled image

Nested Class Summary

Nested classes/interfaces inherited from class org.gvsig.raster.tilecache.provider.AbstractTileCacheStructImage

AbstractTileCacheStructImage.Tile

Field Summary

Fields inherited from class org.gvsig.raster.tilecache.provider.AbstractTileCacheStructImage

bandNumber, colorInterpretation, colorTable, dataTypes, innerProvider, legend, query, recentAccededTiles, tileStruct

Constructor Summary

Constructors

Constructor and Description
FileTileCacheStructImage(java.io.File folder, IProjection crs, RasterStoreProvider innerProvider, RasterQuery query)

Method Summary

Modifier and Type	Method and Description
protected void	doDispose() Internal implementation for the AbstractDisposable.dispose() method, to be implemented by child classes.
Band	fetchTile(int bandNumber, int zoomLevel, int structRow, int structCol) Get band from the required tile.
void	forgetCache() Clear previous cache.
TileStruct	getTileStruct()

Methods inherited from class org.gvsig.raster.tilecache.provider.AbstractTileCacheStructImage

composeKeyForRecentTiles, fillStoreInfo, getBandNumber, getColorInterpretation, getColorTable, getColumns, getColumnsPerTile, getDataTypes, getEnvelope, getLegend, getProviderName, getRows, getRowsPerTile, getZoomLvlForPixelSize, removeOlderTile

Methods inherited from class org.gvsig.tools.dispose.impl.AbstractDisposable

dispose, dispose

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FileTileCacheStructImage

public FileTileCacheStructImage(java.io.File folder,
                                IProjection crs,
                                RasterStoreProvider innerProvider,
                                RasterQuery query)

Parameters:

folder -

crs -

innerProvider -

query -

Method Detail

fetchTile

public Band fetchTile(int bandNumber,
                      int zoomLevel,
                      int structRow,
                      int structCol)

Description copied from interface: TileStructImage

Get band from the required tile. Return null on fails.

Returns:

Band

doDispose

protected void doDispose()
                  throws BaseException

Description copied from class: AbstractDisposable

Internal implementation for the AbstractDisposable.dispose() method, to be implemented by child classes.

Overrides:

doDispose in class AbstractTileCacheStructImage

Throws:

BaseException

See Also:

AbstractDisposable.dispose()

getTileStruct

public TileStruct getTileStruct()

forgetCache

public void forgetCache()

Description copied from interface: TileCacheStructImage

Clear previous cache.

Specified by:

forgetCache in interface TileCacheStructImage

Overrides:

forgetCache in class AbstractTileCacheStructImage