org.gvsig.raster.lizardtech.io

Class LizardTechProvider

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.lizardtech.io.LizardTechProvider

All Implemented Interfaces:

Histogramable, DataStoreProvider, CoverageStoreProvider, RasterProvider, Disposable, DynObject

public class LizardTechProvider
extends AbstractRasterProvider

Clase encargada del acceso a los datos y repintado de imagenes MrSID. Estos son registrados con la extensión sid

Field Summary

Fields

Modifier and Type	Field and Description
static String	DESCRIPTION
protected DataStoreTransparency	fileTransparency
protected static String[]	formatList
protected LizardTechNative	lztNative
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
LizardTechProvider() Mandatory constructor to instantiate an empty provider
LizardTechProvider(LizardTechDataParameters params, DataStoreProviderServices storeServices)
LizardTechProvider(String params) Deprecated. use LizardTechProvider(URI), this constructor will be removed in gvSIG 2.5
LizardTechProvider(URI uri) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
void	addFile(File file) Adds a new file.
void	close() Request to close de source
int	getBlockSize()
DataStoreColorInterpretation	getColorInterpretation() Gets the object with the color interpretation by band
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
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
String	getProviderName() Return the name of the provider.
TileServer	getTileServer() Gets the tile cache data server
DataStoreTransparency	getTransparency() Obtiene el estado de transparencia a partir de los estados de transparencia de todos los ficheros que lo componen.
Extent	getView() Obtiene el extent asignado
double	getWidth() Obtiene el ancho de la imagen
String	getWktProjection() Obtiene la proyección asociada al raster.
void	init(AbstractRasterDataParameters params, DataStoreProviderServices storeServices) Contructor.
boolean	isExtensionSupported(String ext) Returns true if the extension is supported and false if doesn't
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.
boolean	isSupersampling() Informa de si el driver ha supersampleado en el último dibujado.
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.
Object	readCompleteLine(int line, int band) Read a line from the file
static void	register()
void	removeFile(File file) Removes a file.
void	setAffineTransform(AffineTransform t) Asigna una transformación al raster para que se tenga en cuenta en la asignación del setView.
protected void	setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, int offset, int scansize) Asigna al objeto Image los valores con los dato de la imagen contenidos en el vector de enteros.
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, deleteLayerFromCache, doDispose, finalize, getAffineTransform, getBandCount, getBandCountByProvider, getBandPositionByProvider, getCellSize, getChilds, 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, getURI, getURIByBand, getURIByProvider, getURIOfFirstProvider, 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, 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.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

lztNative

protected LizardTechNative lztNative

fileTransparency

protected DataStoreTransparency fileTransparency

formatList

protected static String[] formatList

Constructor Detail

LizardTechProvider

public LizardTechProvider()

Mandatory constructor to instantiate an empty provider

LizardTechProvider

public LizardTechProvider(String params)
                   throws NotSupportedExtensionException,
                          OpenException

Deprecated. use LizardTechProvider(URI), this constructor will be removed in gvSIG 2.5

Constructor. Abre el dataset.

Parameters:

proj - Proyección

fName - Nombre del fichero ecw

Throws:

NotSupportedExtensionException

OpenException

LizardTechProvider

public LizardTechProvider(URI uri)
                   throws NotSupportedExtensionException

Constructor. Abre el dataset.

Parameters:

proj - Proyección

fName - Nombre del fichero ecw

Throws:

NotSupportedExtensionException

LizardTechProvider

public LizardTechProvider(LizardTechDataParameters params,
                  DataStoreProviderServices storeServices)
                   throws NotSupportedExtensionException

Throws:

NotSupportedExtensionException

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)

Returns true if the extension is supported and false if doesn't

Parameters:

ext -

Returns:

init

public void init(AbstractRasterDataParameters params,
        DataStoreProviderServices storeServices)
          throws NotSupportedExtensionException

Contructor. Abre el fichero mrsid

Parameters:

proj - Proyección

fName - Nombre del fichero mrsid

Throws:

NotSupportedExtensionException

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

isOpen

public boolean isOpen()

Description copied from interface: RasterProvider

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

Returns:

close

public void close()

Description copied from interface: DataStoreProvider

Request to close de source

Specified by:

close in interface RasterProvider

Overrides:

close in class AbstractRasterProvider

setView

public void setView(Extent e)

Description copied from class: AbstractRasterProvider

Asigna un nuevo Extent

Specified by:

setView in class AbstractRasterProvider

Parameters:

e - Extent

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

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

setRGBLine

protected void setRGBLine(BufferedImage image,
              int startX,
              int startY,
              int w,
              int h,
              int[] rgbArray,
              int offset,
              int scansize)

Asigna al objeto Image los valores con los dato de la imagen contenidos en el vector de enteros.

Parameters:

image - imagen con los datos actuales

startX - inicio de la posición en X dentro de la imagen

startY - inicio de la posición en X dentro de la imagen

w - Ancho de la imagen

h - Alto de la imagen

rgbArray - vector que contiene la banda que se va a sustituir

offset - desplazamiento

scansize - tamaño de imagen recorrida por cada p

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

getBlockSize

public int getBlockSize()

Specified by:

getBlockSize in class AbstractRasterProvider

isSupersampling

public boolean isSupersampling()

Informa de si el driver ha supersampleado en el último dibujado. Es el driver el que colocará el valor de esta variable cada vez que dibuja.

Returns:

true si se ha supersampleado y false si no se ha hecho.

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

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.

Throws:

InvalidSetViewException

FileNotOpenException

RasterDriverException

ProcessInterruptedException

readCompleteLine

public Object readCompleteLine(int line,
                      int band)
                        throws InvalidSetViewException,
                               FileNotOpenException,
                               RasterDriverException

Read a line from the file

Parameters:

line -

band -

Returns:

Throws:

InvalidSetViewException

FileNotOpenException

RasterDriverException

getTransparency

public DataStoreTransparency getTransparency()

Description copied from interface: RasterProvider

Obtiene el estado de transparencia a partir de los estados de transparencia de todos los ficheros que lo componen. Si varios de los ficheros que lo componen tienen banda de transparencia estas tendrán que ser mezcladas sobre una banda de transparencia única.

Specified by:

getTransparency in interface RasterProvider

Overrides:

getTransparency in class AbstractRasterProvider

Returns:

Objeto FileTransparency con el estado de transparencia

getColorInterpretation

public DataStoreColorInterpretation getColorInterpretation()

Description copied from interface: RasterProvider

Gets the object with the color interpretation by band

Specified by:

getColorInterpretation in interface RasterProvider

Overrides:

getColorInterpretation in class AbstractRasterProvider

Returns:

ColorInterpretation

getWktProjection

public String getWktProjection()

Description copied from interface: RasterProvider

Obtiene la proyección asociada al raster. Como todos los dataset del multiDataset deben tener la misma proyección obtenemos esta del primer dataset.

Specified by:

getWktProjection in interface RasterProvider

Overrides:

getWktProjection in class AbstractRasterProvider

Returns:

Proyección en formato cadena

setAffineTransform

public void setAffineTransform(AffineTransform t)

Description copied from interface: RasterProvider

Asigna una transformación al raster para que se tenga en cuenta en la asignación del setView. Esta asignación recalcula el extent, el requestExtent y asigna el AffineTransform que se usará para la transformación. Esta transformación será considerada como si la imagen tuviera asociado un rmf.

Specified by:

setAffineTransform in interface RasterProvider

Overrides:

setAffineTransform in class AbstractRasterProvider

Parameters:

t - Transformación afín a aplicar

getOverviewCount

public int getOverviewCount(int band)
                     throws BandAccessException,
                            RasterDriverException

Description copied from interface: RasterProvider

Obtiene el número de overviews de una banda

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

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

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.

getProviderName

public String getProviderName()

Description copied from interface: DataStoreProvider

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

Returns:

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.

getTileServer

public TileServer getTileServer()

Description copied from interface: RasterProvider

Gets the tile cache data server

Returns:

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.

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.