org.gvsig.googlemaps.prov.dalraster

Class GoogleMapsProvider

java.lang.Object

org.gvsig.tools.dispose.impl.AbstractDisposable

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

org.gvsig.raster.impl.provider.AbstractRasterProvider

org.gvsig.googlemaps.prov.dalraster.GoogleMapsProvider

All Implemented Interfaces:

Histogramable, DataStoreProvider, CoverageStoreProvider, RasterProvider, Disposable, DynObject

public class GoogleMapsProvider
extends AbstractRasterProvider

Provider for Google Maps

Field Summary

Fields

Modifier and Type	Field and Description
static String	DESCRIPTION Provider Description
static String	METADATA_DEFINITION_NAME Provider Definition Name
static String	NAME Provider 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, transparency, uri

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

metadata, parameters, store

Constructor Summary

Constructors

Constructor and Description
GoogleMapsProvider() Does nothing
GoogleMapsProvider(GoogleMapsParams params, DataStoreProviderServices storeServices) Creates a GoogleMapsProvider

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()
ColorInterpretation	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.
Extent	getExtent() Gets the bounding box in world coordinates.
String	getFileSuffix() Gets the suffix of the source file
String	getFullName() Returns a more descriptive name for the provider that getName.
double	getHeight() Obtiene el ancho de la imagen
String	getName() Returns the name associated to the provider.
NoData	getNoDataValue() Gets the nodata value.
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
GoogleMapsParams	getParameters() getParameters
IProjection	getProjection() Sets the provider projection
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
void	init(DataStoreParameters params, DataStoreProviderServices storeServices) Crea las referencias al fichero y carga las estructuras con la información y los metadatos
Object	invokeDynMethod(int code, Object[] args)
Object	invokeDynMethod(String name, Object[] args)
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	isReproyectable() Devuelve si el Dataset es reproyectable
boolean	isSupersampling() Informa de si el driver ha supersampleado en el �ltimo dibujado.
boolean	isTiled() Returns true if the provider support tiles
boolean	isTimeSupported() Returns true if this provider supports time.
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() Registers Provider
void	reload()
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.
void	setStatus(RasterProvider provider) Sets the status information using other provider of the same type.
void	setView(Extent e) Asigna un nuevo Extent
URI	translateURI(URI uri) Traduce el nombre del fichero por un alias asignado por el propio driver.

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, getExtentWithoutRot, getFileSize, getFileSizeByProvider, getFormatList, getGeoPointList, getHistogramComputer, getImageLegend, getInfoByPoint, getInfoByPoint, getInternalProvider, getInternalProviderCount, getInterval, getMetadata, getOwnAffineTransform, getPixelSizeX, getPixelSizeY, getResource, getRmfBlocksManager, getRMFFile, getRMFFileForRemoteServices, getSourceId, getSourceType, getStatistics, getSubdatasetCount, getTileSize, getTime, getTimes, getTimes, getTimeSerials, getURI, getURIByBand, getURIByProvider, getURIOfFirstProvider, getWktProjection, init, isARGB, isGeoreferenced, isInside, isMosaic, isMultiFile, isRasterEnclosed, isRGB, isRotated, loadFromRmf, loadObjectFromRmf, loadObjectFromRmf, loadObjectFromRmfFile, needEnhanced, newProvider, open, rasterToWorld, resetAffineTransform, saveObjectToRmf, saveObjectToRmf, selectSubdataset, selectSubdataset, setColorInterpretation, setColorTable, setDataType, setFileSize, setFName, setGeoPointList, setNoDataValue, setParam, setProjection, setStatistics, setTileServer, setTimeSerials, singleDatasetInstance, translateFileName, 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, 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, setDynValue

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

dispose

Field Detail

NAME

public static final String NAME

Provider Name

See Also:

Constant Field Values

DESCRIPTION

public static final String DESCRIPTION

Provider Description

See Also:

Constant Field Values

METADATA_DEFINITION_NAME

public static final String METADATA_DEFINITION_NAME

Provider Definition Name

See Also:

Constant Field Values

Constructor Detail

GoogleMapsProvider

public GoogleMapsProvider()

Does nothing

GoogleMapsProvider

public GoogleMapsProvider(GoogleMapsParams params,
                  DataStoreProviderServices storeServices)
                   throws InitializeException

Creates a GoogleMapsProvider

Parameters:

params -

storeServices -

Throws:

InitializeException

Method Detail

register

public static void register()

Registers Provider

init

public void init(DataStoreParameters params,
        DataStoreProviderServices storeServices)
          throws InitializeException

Crea las referencias al fichero y carga las estructuras con la información y los metadatos

Parameters:

params -

storeServices -

Throws:

InitializeException

getProjection

public IProjection getProjection()

Description copied from interface: RasterProvider

Sets the provider projection

Specified by:

getProjection in interface RasterProvider

Overrides:

getProjection in class AbstractRasterProvider

Returns:

IProjection

getExtent

public Extent getExtent()

Gets the bounding box in world coordinates.

Specified by:

getExtent in interface RasterProvider

Overrides:

getExtent in class AbstractRasterProvider

Returns:

Extent

reload

public void reload()

Specified by:

reload in interface RasterProvider

Overrides:

reload in class AbstractRasterProvider

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

translateURI

public URI translateURI(URI uri)

Description copied from class: AbstractRasterProvider

Traduce el nombre del fichero por un alias asignado por el propio driver. Cuando es traducido por un alias el driver intentar� abrir el alias y no el fichero. Esto es util porque algunos formatos tienen la extensi�n en el fichero de cabecera pero lo que se abre realmente es el fichero de datos.

Overrides:

translateURI in class AbstractRasterProvider

Returns:

uri

getNoDataValue

public NoData getNoDataValue()

Description copied from interface: RasterProvider

Gets the nodata value.

Specified by:

getNoDataValue in interface RasterProvider

Overrides:

getNoDataValue in class AbstractRasterProvider

Returns:

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

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

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 �ltimo dibujado. Es el driver el que colocar� el valor de esta variable cada vez que dibuja.

Returns:

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

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.

isReproyectable

public boolean isReproyectable()

Description copied from class: AbstractRasterProvider

Devuelve si el Dataset es reproyectable

Specified by:

isReproyectable in interface RasterProvider

Overrides:

isReproyectable in class AbstractRasterProvider

Returns:

true if Dataset is reproyectable

getProviderName

public String getProviderName()

Description copied from interface: DataStoreProvider

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

Returns:

getName

public String getName()

Description copied from interface: DataStoreProvider

Returns the name associated to the provider. This name is provided for informational purposes only. Explamples: In a dbf the filename without the path In a DDBB table the name of the table In a WFS layer the name of the layer.

Overrides:

getName in class AbstractRasterProvider

Returns:

String containing this store's name.

getParameters

public GoogleMapsParams getParameters()

getParameters

Returns:

GoogleMapsParams

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 ColorInterpretation 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

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.

isTimeSupported

public boolean isTimeSupported()

Description copied from interface: RasterProvider

Returns true if this provider supports time.

Specified by:

isTimeSupported in interface RasterProvider

Overrides:

isTimeSupported in class AbstractRasterProvider

Returns:

isTiled

public boolean isTiled()

Description copied from interface: RasterProvider

Returns true if the provider support tiles

Specified by:

isTiled in interface RasterProvider

Overrides:

isTiled in class AbstractRasterProvider

Returns:

getTileServer

public TileServer getTileServer()

Description copied from interface: RasterProvider

Gets the tile cache data server

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.

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.

getFileSuffix

public String getFileSuffix()

Description copied from interface: RasterProvider

Gets the suffix of the source file

Specified by:

getFileSuffix in interface RasterProvider

Overrides:

getFileSuffix in class AbstractRasterProvider

Returns:

getFullName

public String getFullName()

Description copied from interface: DataStoreProvider

Returns a more descriptive name for the provider that getName. This name is provided for informational purposes only. Explamples: In a file based store may return the full name of the filename, path and filename. In a data base based store may return "server:dbname:tablename" In a WFS layer based store may return "server:layername"

Overrides:

getFullName in class AbstractRasterProvider

Returns:

String Containing the full name of the store

invokeDynMethod

public Object invokeDynMethod(String name,
                     Object[] args)
                       throws DynMethodException

Specified by:

invokeDynMethod in interface DynObject

Overrides:

invokeDynMethod in class AbstractCoverageStoreProvider

Throws:

DynMethodException

invokeDynMethod

public Object invokeDynMethod(int code,
                     Object[] args)
                       throws DynMethodException

Specified by:

invokeDynMethod in interface DynObject

Overrides:

invokeDynMethod in class AbstractCoverageStoreProvider

Throws:

DynMethodException