org.gvsig.raster.tilecache.io.tff

Class TileFileFormatProvider

java.lang.Object

org.gvsig.tools.dispose.impl.AbstractDisposable

org.gvsig.fmap.dal.raster.spi.AbstractCoverageStoreProvider

org.gvsig.raster.impl.provider.AbstractRasterProvider

org.gvsig.raster.tilecache.io.tff.TileFileFormatProvider

All Implemented Interfaces:

Histogramable, DataStoreProvider, CoverageStoreProvider, RasterProvider, TiledRasterProvider, Disposable, DynObject

public class TileFileFormatProvider
extends AbstractRasterProvider
implements TiledRasterProvider

Provider for TileFileFormat

Field Summary

Fields

Modifier and Type	Field and Description
static String	DESCRIPTION
protected static String[]	formatList
static String	METADATA_DEFINITION_NAME
static String	NAME

Fields inherited from class org.gvsig.raster.impl.provider.AbstractRasterProvider

ALPHA_BAND, bandCount, BLUE_BAND, bytesReaded, colorTable, externalTransformation, fileSize, fileUtil, geoPointList, GREEN_BAND, histogram, lineCnt, noData, ownTransformation, param, proj, rasterUtil, RED_BAND, rmfBlocksManager, selectedSubdatasetID, serialInfo, stats, storeServices, tileServer, transparency, uri

Fields inherited from class org.gvsig.fmap.dal.raster.spi.AbstractCoverageStoreProvider

metadata, parameters, store

Constructor Summary

Constructors

Constructor and Description
TileFileFormatProvider()
TileFileFormatProvider(TileFileFormatDataParameters params, DataStoreProviderServices storeServices)

Method Summary

Methods

Modifier and Type	Method and Description
void	addFile(File file) Adds a new file.
int	getBlockSize()
Extent	getCoordsInLevel(Point2D viewCenter, int level, int w, int h) Calculates the extent of a zoom level using a center.
Extent	getCoordsInTheNearestLevel(Extent extent, int w, int h) Calculates the extent of a zoom level using other extent as a reference.
Object	getData(int x, int y, int band) Obtiene el valor del raster en la coordenada que se le pasa.
String[]	getFormatList() Gets the list of supported formats
double	getHeight() Obtiene el ancho de la imagen
RasterProvider	getInternalProvider() Gets the internal provider used to feed the TileProvider
int	getNearestLevel(double pixelSize) Gets the nearest level to the selected pixel size
int	getOverviewCount(int band) Obtiene el número de overviews de una banda
int	getOverviewHeight(int band, int overview) Obtiene el alto de una overview de una banda
int	getOverviewWidth(int band, int overview) Obtiene el ancho de una overview de una banda
TileFileFormatDataParameters	getParameters()
String	getProviderName() Return the name of the provider.
Tile	getTile(SpiRasterQuery q) Gets a tile
TileServer	getTileServer() Gets the tile cache data server
Extent	getView() Obtiene el extent asignado
double	getWidth() Obtiene el ancho de la imagen
int	getZoomLevels() Gets the number of zoom levels
void	init(TileFileFormatDataParameters params, DataStoreProviderServices storeServices) Build file references
boolean	isExtensionSupported(String ext)
boolean	isOpen() Returns true if this provider is open and false if don't
boolean	isOverviewsSupported() Informa de si el dataset soporta overviews o no.
RasterProvider	load() Carga un fichero raster.
void	loadBuffer(SpiRasterQuery query) Load a buffer with the parameters.
Object	readBlock(int pos, int blockHeight, double scale) Reads a complete block of data and returns an tridimensional array of the right type.
static void	register()
void	removeFile(File file) Removes a file.
void	setStatus(RasterProvider provider) Sets the status information using other provider of the same type.
void	setView(Extent e) Asigna un nuevo Extent

Methods inherited from class org.gvsig.raster.impl.provider.AbstractRasterProvider

cloneProvider, close, deleteLayerFromCache, doDispose, finalize, getAffineTransform, getBandCount, getBandCountByProvider, getBandPositionByProvider, getCellSize, getChilds, getColorInterpretation, getColorTable, getDataParameters, getDataSet, getDataType, getDefaultBandList, getExplorer, getExtent, getExtentWithoutRot, getFileSize, getFileSizeByProvider, getFileSuffix, getFullName, getGeoPointList, getHistogramComputer, getImageLegend, getInfoByPoint, getInfoByPoint, getInternalProvider, getInternalProviderCount, getInterval, getMetadata, getName, getNoDataValue, getOwnAffineTransform, getPixelSizeX, getPixelSizeY, getProjection, getResource, getRmfBlocksManager, getRMFFile, getRMFFileForRemoteServices, getSourceId, getSourceType, getStatistics, getSubdatasetCount, getTileSize, getTime, getTimes, getTimes, getTimeSerials, getTransparency, getURI, getURIByBand, getURIByProvider, getURIOfFirstProvider, getWktProjection, init, isARGB, isGeoreferenced, isInside, isMosaic, isMultiFile, isRasterEnclosed, isReproyectable, isRGB, isRotated, isTiled, isTimeSupported, loadFromRmf, loadObjectFromRmf, loadObjectFromRmf, loadObjectFromRmfFile, needEnhanced, newProvider, open, rasterToWorld, reload, resetAffineTransform, saveObjectToRmf, saveObjectToRmf, selectSubdataset, selectSubdataset, setAffineTransform, setColorInterpretation, setColorTable, setDataType, setFileSize, setFName, setGeoPointList, setNoDataValue, setParam, setProjection, setStatistics, setTileServer, setTimeSerials, singleDatasetInstance, translateFileName, translateURI, worldToRaster

Methods inherited from class org.gvsig.fmap.dal.raster.spi.AbstractCoverageStoreProvider

allowWrite, clear, createCoverageSelection, createResource, delegate, getClassName, getDataStoreParameters, getDynClass, getDynValue, getEnvelope, getStoreServices, hasDynValue, implement, init, invokeDynMethod, invokeDynMethod, refresh, setDynValue, setMetadata

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

dispose, dispose

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.gvsig.raster.impl.provider.TiledRasterProvider

getTileSize, setTileServer

Methods inherited from interface org.gvsig.fmap.dal.raster.spi.CoverageStoreProvider

allowWrite, getStoreServices

Methods inherited from interface org.gvsig.fmap.dal.spi.DataStoreProvider

refresh

Methods inherited from interface org.gvsig.tools.dynobject.DynObject

clear, delegate, getDynClass, getDynValue, hasDynValue, implement, invokeDynMethod, invokeDynMethod, setDynValue

Methods inherited from interface org.gvsig.tools.dispose.Disposable

dispose

Field Detail

NAME

public static String NAME

DESCRIPTION

public static String DESCRIPTION

METADATA_DEFINITION_NAME

public static final String METADATA_DEFINITION_NAME

See Also:

Constant Field Values

formatList

protected static String[] formatList

Constructor Detail

TileFileFormatProvider

public TileFileFormatProvider()
                       throws NotSupportedExtensionException

Throws:

NotSupportedExtensionException

TileFileFormatProvider

public TileFileFormatProvider(TileFileFormatDataParameters params,
                      DataStoreProviderServices storeServices)
                       throws InitializeException

Parameters:

params -

storeServices -

Throws:

InitializeException

Method Detail

register

public static void register()

getFormatList

public String[] getFormatList()

Description copied from interface: RasterProvider

Gets the list of supported formats

Specified by:

getFormatList in interface RasterProvider

Overrides:

getFormatList in class AbstractRasterProvider

Returns:

isExtensionSupported

public boolean isExtensionSupported(String ext)

Parameters:

ext -

Returns:

true if the extension is supported

init

public void init(TileFileFormatDataParameters params,
        DataStoreProviderServices storeServices)
          throws NotSupportedExtensionException,
                 OpenException

Build file references

Parameters:

params -

storeServices -

Throws:

NotSupportedExtensionException

OpenException

getParameters

public TileFileFormatDataParameters getParameters()

Returns:

the TileFileFormatDataParameters

getBlockSize

public int getBlockSize()

Specified by:

getBlockSize in class AbstractRasterProvider

getData

public Object getData(int x,
             int y,
             int band)
               throws InvalidSetViewException,
                      FileNotOpenException,
                      RasterDriverException

Description copied from class: AbstractRasterProvider

Obtiene el valor del raster en la coordenada que se le pasa. El valor será Double, Int, Byte, etc. dependiendo del tipo de raster.

Specified by:

getData in interface RasterProvider

Specified by:

getData in class AbstractRasterProvider

Parameters:

x - coordenada X

y - coordenada Y

Returns:

data

Throws:

InvalidSetViewException

FileNotOpenException

RasterDriverException

getHeight

public double getHeight()

Description copied from class: AbstractRasterProvider

Obtiene el ancho de la imagen

Specified by:

getHeight in interface RasterProvider

Specified by:

getHeight in class AbstractRasterProvider

Returns:

Ancho de la imagen

getOverviewHeight

public int getOverviewHeight(int band,
                    int overview)
                      throws BandAccessException,
                             RasterDriverException

Description copied from interface: RasterProvider

Obtiene el alto de una overview de una banda

Specified by:

getOverviewHeight in interface RasterProvider

Specified by:

getOverviewHeight in class AbstractRasterProvider

Returns:

Throws:

BandAccessException

RasterDriverException

getOverviewWidth

public int getOverviewWidth(int band,
                   int overview)
                     throws BandAccessException,
                            RasterDriverException

Description copied from interface: RasterProvider

Obtiene el ancho de una overview de una banda

Specified by:

getOverviewWidth in interface RasterProvider

Specified by:

getOverviewWidth in class AbstractRasterProvider

Returns:

Throws:

BandAccessException

RasterDriverException

getView

public Extent getView()

Description copied from class: AbstractRasterProvider

Obtiene el extent asignado

Specified by:

getView in interface RasterProvider

Specified by:

getView in class AbstractRasterProvider

Returns:

Extent

getWidth

public double getWidth()

Description copied from class: AbstractRasterProvider

Obtiene el ancho de la imagen

Specified by:

getWidth in interface RasterProvider

Specified by:

getWidth in class AbstractRasterProvider

Returns:

Ancho de la imagen

isOverviewsSupported

public boolean isOverviewsSupported()

Description copied from class: AbstractRasterProvider

Informa de si el dataset soporta overviews o no.

Specified by:

isOverviewsSupported in interface RasterProvider

Specified by:

isOverviewsSupported in class AbstractRasterProvider

Returns:

true si soporta overviews y false si no las soporta.

load

public RasterProvider load()

Description copied from class: AbstractRasterProvider

Carga un fichero raster. Puede usarse para calcular el extent e instanciar un objeto de este tipo.

Specified by:

load in class AbstractRasterProvider

Returns:

RasterProvider

setView

public void setView(Extent e)

Description copied from class: AbstractRasterProvider

Asigna un nuevo Extent

Specified by:

setView in class AbstractRasterProvider

Parameters:

e - Extent

getCoordsInLevel

public Extent getCoordsInLevel(Point2D viewCenter,
                      int level,
                      int w,
                      int h)

Description copied from interface: TiledRasterProvider

Calculates the extent of a zoom level using a center.

Specified by:

getCoordsInLevel in interface TiledRasterProvider

Returns:

getCoordsInTheNearestLevel

public Extent getCoordsInTheNearestLevel(Extent extent,
                                int w,
                                int h)

Description copied from interface: TiledRasterProvider

Calculates the extent of a zoom level using other extent as a reference. The new extent is calculated with the same coordinate at the center.

Specified by:

getCoordsInTheNearestLevel in interface TiledRasterProvider

Returns:

getInternalProvider

public RasterProvider getInternalProvider()

Description copied from interface: TiledRasterProvider

Gets the internal provider used to feed the TileProvider

Specified by:

getInternalProvider in interface TiledRasterProvider

Returns:

getNearestLevel

public int getNearestLevel(double pixelSize)

Description copied from interface: TiledRasterProvider

Gets the nearest level to the selected pixel size

Specified by:

getNearestLevel in interface TiledRasterProvider

Returns:

getTile

public Tile getTile(SpiRasterQuery q)
             throws TileGettingException

Description copied from interface: TiledRasterProvider

Gets a tile

Specified by:

getTile in interface TiledRasterProvider

Returns:

Throws:

TileGettingException

getZoomLevels

public int getZoomLevels()

Description copied from interface: TiledRasterProvider

Gets the number of zoom levels

Specified by:

getZoomLevels in interface TiledRasterProvider

Returns:

getOverviewCount

public int getOverviewCount(int band)
                     throws BandAccessException,
                            RasterDriverException

Description copied from interface: RasterProvider

Obtiene el número de overviews de una banda

Specified by:

getOverviewCount in interface RasterProvider

Returns:

Throws:

BandAccessException

RasterDriverException

getTileServer

public TileServer getTileServer()

Description copied from interface: RasterProvider

Gets the tile cache data server

Specified by:

getTileServer in interface RasterProvider

Returns:

isOpen

public boolean isOpen()

Description copied from interface: RasterProvider

Returns true if this provider is open and false if don't

Specified by:

isOpen in interface RasterProvider

Returns:

readBlock

public Object readBlock(int pos,
               int blockHeight,
               double scale)
                 throws InvalidSetViewException,
                        FileNotOpenException,
                        RasterDriverException,
                        ProcessInterruptedException

Description copied from interface: RasterProvider

Reads a complete block of data and returns an tridimensional array of the right type. This function is useful to read a file very fast without setting a view.

Specified by:

readBlock in interface RasterProvider

Throws:

InvalidSetViewException

FileNotOpenException

RasterDriverException

ProcessInterruptedException

setStatus

public void setStatus(RasterProvider provider)

Description copied from interface: RasterProvider

Sets the status information using other provider of the same type. The first action of this method should be to check the type of the parameter.

Specified by:

setStatus in interface RasterProvider

getProviderName

public String getProviderName()

Description copied from interface: DataStoreProvider

Return the name of the provider. Examples: dbf, shp, jdbc, postgresql, wfs, gml

Specified by:

getProviderName in interface CoverageStoreProvider

Returns:

loadBuffer

public void loadBuffer(SpiRasterQuery query)
                throws ProcessInterruptedException,
                       RasterDriverException

Description copied from class: AbstractRasterProvider

Load a buffer with the parameters. The buffer should already have been created inside the query structure SpiRasterQuery by the RasterDataStore. The other parameters have been calculated too, all of them adjusted to the raster limits. The provider only have to read the parameters and load the buffer.

Specified by:

loadBuffer in class AbstractRasterProvider

Throws:

ProcessInterruptedException

RasterDriverException

addFile

public void addFile(File file)
             throws InvalidSourceException

Description copied from interface: RasterProvider

Adds a new file. The behavior of this function depends on the kind of provider and its implementation.

Specified by:

addFile in interface RasterProvider

Throws:

InvalidSourceException

removeFile

public void removeFile(File file)

Description copied from interface: RasterProvider

Removes a file. The behavior of this function depends on the kind of provider and its implementation.

Specified by:

removeFile in interface RasterProvider