org.gvsig.raster.postgis.io

Class PostGISRasterProvider

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.gdal.io.GdalProvider

org.gvsig.raster.postgis.io.PostGISRasterProvider

All Implemented Interfaces:

Histogramable, DataStoreProvider, CoverageStoreProvider, RasterProvider, RemoteRasterProvider, Disposable, DynObject

public class PostGISRasterProvider
extends GdalProvider
implements RemoteRasterProvider

This class represents the data access just for PostGIS raster databases.

Field Summary

Fields

Modifier and Type	Field and Description
static String	DESCRIPTION
static String	METADATA_DEFINITION_NAME
static String	NAME

Fields inherited from class org.gvsig.raster.gdal.io.GdalProvider

BAND_HEIGHT, file, FORMAT_ADRG, FORMAT_BMP, FORMAT_BT, FORMAT_EHDR, FORMAT_ELAS, FORMAT_ENVI, FORMAT_ERS, FORMAT_GRD, FORMAT_GSAG, FORMAT_GSBG, FORMAT_GTiff, FORMAT_HDF4, FORMAT_HFA, FORMAT_IDA, FORMAT_ILWIS, FORMAT_INGR, FORMAT_JP2, FORMAT_LEVELLER, FORMAT_MEM, FORMAT_MFF, FORMAT_MFF2, FORMAT_NITF, FORMAT_PAUX, FORMAT_PCIDSK, FORMAT_PNM, FORMAT_RMF, FORMAT_RST, FORMAT_TERRAGEN, FORMAT_VRT, formatList

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
PostGISRasterProvider()
PostGISRasterProvider(PostGISRasterDataParameters params, DataStoreProviderServices storeServices)

Method Summary

Methods

Modifier and Type	Method and Description
Buffer	getBufferLastRequest() Gets the buffer of the last request.
File	getFileLayer() When the remote layer has fixed size this method downloads the file and return its reference.
String	getFullName() Returns a more descriptive name for the provider that getName.
File	getLastRequest() Gets the file of the last request.
Rectangle2D	getLayerExtent(String layerName, String srs) Gets the bounding box of this layer
String	getName() Returns the name associated to the provider.
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.
String	getRMFFile() Gets the rmf file path.
TileServer	getTileServer() Gets the tile cache data server
void	init(AbstractRasterDataParameters params, DataStoreProviderServices storeServices) Creates data base references and loads structures with the information and metadata
void	loadBuffer(SpiRasterQuery q) Load a buffer with the parameters.
static void	register()

Methods inherited from class org.gvsig.raster.gdal.io.GdalProvider

addFile, close, finalize, getBlockSize, getData, getFormatList, getHeight, getMetadata, getMimeType, getNative, getTransparency, getView, getWidth, isExtensionSupported, isGeoreferenced, isOpen, isOverviewsSupported, isReproyectable, isSupersampling, load, needEnhanced, readBlock, readCompleteLine, removeFile, setAffineTransform, setStatus, setView, translateURI

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

cloneProvider, deleteLayerFromCache, doDispose, getAffineTransform, getBandCount, getBandCountByProvider, getBandPositionByProvider, getCellSize, getChilds, getColorInterpretation, getColorTable, getDataParameters, getDataSet, getDataType, getDefaultBandList, getExplorer, getExtent, getExtentWithoutRot, getFileSize, getFileSizeByProvider, getFileSuffix, getGeoPointList, getHistogramComputer, getImageLegend, getInfoByPoint, getInfoByPoint, getInternalProvider, getInternalProviderCount, getInterval, getNoDataValue, getOwnAffineTransform, getPixelSizeX, getPixelSizeY, getProjection, getResource, getRmfBlocksManager, getRMFFileForRemoteServices, getSourceId, getSourceType, getStatistics, getSubdatasetCount, getTileSize, getTime, getTimes, getTimes, getTimeSerials, getURI, getURIByBand, getURIByProvider, getURIOfFirstProvider, getWktProjection, init, isARGB, isInside, isMosaic, isMultiFile, isRasterEnclosed, isRGB, isRotated, isTiled, isTimeSupported, loadFromRmf, loadObjectFromRmf, loadObjectFromRmf, loadObjectFromRmfFile, newProvider, open, rasterToWorld, reload, 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, 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.RasterProvider

addFile, cloneProvider, close, deleteLayerFromCache, getAffineTransform, getBandCount, getBandCountByProvider, getBandPositionByProvider, getCellSize, getColorInterpretation, getColorTable, getData, getDataParameters, getDataSet, getDataType, getExtent, getExtentWithoutRot, getFileSizeByProvider, getFileSuffix, getFormatList, getGeoPointList, getHeight, getImageLegend, getInfoByPoint, getInfoByPoint, getInternalProvider, getInternalProviderCount, getMetadata, getNoDataValue, getOwnAffineTransform, getPixelSizeX, getPixelSizeY, getProjection, getSourceType, getStatistics, getSubdatasetCount, getTimeSerials, getTransparency, getURI, getURIByBand, getURIByProvider, getURIOfFirstProvider, getView, getWidth, getWktProjection, isGeoreferenced, isInside, isMosaic, isMultiFile, isOpen, isOverviewsSupported, isRasterEnclosed, isReproyectable, isRotated, isTiled, isTimeSupported, loadObjectFromRmf, needEnhanced, rasterToWorld, readBlock, reload, removeFile, saveObjectToRmf, selectSubdataset, setAffineTransform, setColorInterpretation, setColorTable, setGeoPointList, setNoDataValue, setProjection, setStatistics, setStatus, setTimeSerials, worldToRaster

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

allowWrite, getStoreServices

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

getChilds, getExplorer, getInterval, getResource, getSourceId, getTimes, getTimes, open, 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

Methods inherited from interface org.gvsig.fmap.dal.coverage.store.props.Histogramable

getHistogramComputer

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

Constructor Detail

PostGISRasterProvider

public PostGISRasterProvider()

PostGISRasterProvider

public PostGISRasterProvider(PostGISRasterDataParameters params,
                     DataStoreProviderServices storeServices)
                      throws NotSupportedExtensionException

Throws:

NotSupportedExtensionException

Method Detail

register

public static void register()

init

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

Creates data base references and loads structures with the information and metadata

Overrides:

init in class GdalProvider

Parameters:

params - load parameters

Throws:

NotSupportedExtensionException

getRMFFile

public String getRMFFile()

Description copied from interface: RasterProvider

Gets the rmf file path. This method will have to be redefined by providers with a different path

Specified by:

getRMFFile in interface RasterProvider

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.

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

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

Overrides:

getProviderName in class GdalProvider

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

Overrides:

getOverviewCount in class GdalProvider

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

Overrides:

getOverviewWidth in class GdalProvider

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

Overrides:

getOverviewHeight in class GdalProvider

Returns:

Throws:

BandAccessException

RasterDriverException

loadBuffer

public void loadBuffer(SpiRasterQuery q)
                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.

Overrides:

loadBuffer in class GdalProvider

Throws:

ProcessInterruptedException

RasterDriverException

getFileLayer

public File getFileLayer()
                  throws RasterDriverException

When the remote layer has fixed size this method downloads the file and return its reference. File layer has in the long side FIXED_SIZE pixels and the bounding box is complete. This file could be useful to build an histogram or calculate statistics. This represents a sample of data.

Specified by:

getFileLayer in interface RemoteRasterProvider

Returns:

Throws:

RasterDriverException

getLastRequest

public File getLastRequest()

Description copied from interface: RemoteRasterProvider

Gets the file of the last request. Be careful because if a complete request is tiled, this file will only contain the last tile.

Specified by:

getLastRequest in interface RemoteRasterProvider

Returns:

getBufferLastRequest

public Buffer getBufferLastRequest()
                            throws ProcessInterruptedException,
                                   RasterDriverException

Description copied from interface: RemoteRasterProvider

Gets the buffer of the last request. Be careful because if a complete request is tiled, this file will only contain the last tile.

Specified by:

getBufferLastRequest in interface RemoteRasterProvider

Returns:

Throws:

ProcessInterruptedException

RasterDriverException

getLayerExtent

public Rectangle2D getLayerExtent(String layerName,
                         String srs)
                           throws RemoteServiceException

Description copied from interface: RemoteRasterProvider

Gets the bounding box of this layer

Specified by:

getLayerExtent in interface RemoteRasterProvider

Returns:

Throws:

RemoteServiceException

getTileServer

public TileServer getTileServer()

Description copied from interface: RasterProvider

Gets the tile cache data server

Specified by:

getTileServer in interface RasterProvider

Overrides:

getTileServer in class GdalProvider

Returns: