Package 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, org.gvsig.tools.dispose.Disposable

public class FileTileCacheStructImage
extends AbstractTileCacheStructImage

Represents a tiled image

Author:

dmartinezizquierdo

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	Description
FileTileCacheStructImage(File folder, org.gvsig.crs.projection.lib.Projection crs, org.gvsig.fmap.dal.raster.spi.RasterStoreProvider innerProvider, org.gvsig.fmap.dal.raster.RasterQuery query)

Method Summary

Modifier and Type	Method	Description
protected void	doDispose()
org.gvsig.raster.lib.buffer.api.Band	fetchTile(int bandNumber, int zoomLevel, int structRow, int structCol)	Get band from the required tile.
void	forgetCache()	Clear previous cache.
org.gvsig.raster.lib.buffer.api.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 Details

FileTileCacheStructImage

public FileTileCacheStructImage(File folder,
 org.gvsig.crs.projection.lib.Projection crs,
 org.gvsig.fmap.dal.raster.spi.RasterStoreProvider innerProvider,
 org.gvsig.fmap.dal.raster.RasterQuery query)

Parameters:

folder -

crs -

innerProvider -

query -

Method Details

fetchTile

public org.gvsig.raster.lib.buffer.api.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.

Parameters:

bandNumber -

zoomLevel -

structRow -

structCol -

Returns:

Band

doDispose

protected void doDispose()
                  throws org.gvsig.tools.exception.BaseException

Overrides:

doDispose in class AbstractTileCacheStructImage

Throws:

org.gvsig.tools.exception.BaseException

getTileStruct

public org.gvsig.raster.lib.buffer.api.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