gvsig-raster / org.gvsig.raster.wcs / trunk / org.gvsig.raster.wcs / org.gvsig.raster.wcs.io / src / main / java / org / gvsig / raster / wcs / io / WCSProvider.java @ 4269
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package org.gvsig.raster.wcs.io; |
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import java.awt.Rectangle; |
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import java.awt.geom.AffineTransform; |
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import java.awt.geom.NoninvertibleTransformException; |
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import java.awt.geom.Point2D; |
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import java.awt.geom.Rectangle2D; |
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import java.io.File; |
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import java.io.IOException; |
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import java.net.URI; |
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import java.net.URISyntaxException; |
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import java.net.URL; |
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import java.util.ArrayList; |
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import java.util.Hashtable; |
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import org.apache.commons.io.FilenameUtils; |
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import org.apache.commons.lang3.StringUtils; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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|
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import org.gvsig.fmap.dal.DALLocator; |
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import org.gvsig.fmap.dal.DataStore; |
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import org.gvsig.fmap.dal.DataStoreParameters; |
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import org.gvsig.fmap.dal.coverage.RasterLocator; |
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import org.gvsig.fmap.dal.coverage.dataset.Buffer; |
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import org.gvsig.fmap.dal.coverage.datastruct.BandList; |
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import org.gvsig.fmap.dal.coverage.datastruct.Extent; |
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import org.gvsig.fmap.dal.coverage.exception.BandAccessException; |
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import org.gvsig.fmap.dal.coverage.exception.BandNotFoundInListException; |
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import org.gvsig.fmap.dal.coverage.exception.FileNotOpenException; |
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import org.gvsig.fmap.dal.coverage.exception.InvalidSetViewException; |
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import org.gvsig.fmap.dal.coverage.exception.InvalidSourceException; |
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import org.gvsig.fmap.dal.coverage.exception.NotSupportedExtensionException; |
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import org.gvsig.fmap.dal.coverage.exception.ProcessInterruptedException; |
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import org.gvsig.fmap.dal.coverage.exception.QueryException; |
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import org.gvsig.fmap.dal.coverage.exception.RasterDriverException; |
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import org.gvsig.fmap.dal.coverage.exception.RemoteServiceException; |
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import org.gvsig.fmap.dal.coverage.store.RasterQuery; |
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import org.gvsig.fmap.dal.coverage.store.props.ColorInterpretation; |
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import org.gvsig.fmap.dal.coverage.store.props.HistogramComputer; |
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import org.gvsig.fmap.dal.coverage.store.props.Transparency; |
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import org.gvsig.fmap.dal.exception.InitializeException; |
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import org.gvsig.fmap.dal.exception.OpenException; |
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import org.gvsig.fmap.dal.exception.ProviderNotRegisteredException; |
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import org.gvsig.fmap.dal.spi.DataManagerProviderServices; |
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import org.gvsig.fmap.dal.spi.DataStoreProviderServices; |
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import org.gvsig.metadata.MetadataLocator; |
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import org.gvsig.raster.cache.tile.provider.TileServer; |
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import org.gvsig.raster.impl.buffer.SpiRasterQuery; |
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import org.gvsig.raster.impl.datastruct.BandListImpl; |
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import org.gvsig.raster.impl.datastruct.DatasetBandImpl; |
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import org.gvsig.raster.impl.datastruct.ExtentImpl; |
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import org.gvsig.raster.impl.provider.AbstractRasterProvider; |
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import org.gvsig.raster.impl.provider.RasterProvider; |
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import org.gvsig.raster.impl.provider.RemoteRasterProvider; |
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import org.gvsig.raster.impl.store.DefaultRasterStore; |
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import org.gvsig.raster.impl.store.DefaultStoreFactory; |
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import org.gvsig.raster.impl.store.properties.DataStoreColorInterpretation; |
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import org.gvsig.raster.impl.store.properties.DataStoreTransparency; |
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import org.gvsig.raster.impl.store.properties.RemoteDataStoreStatistics; |
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import org.gvsig.raster.impl.store.properties.RemoteStoreHistogram; |
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import org.gvsig.raster.util.DefaultProviderServices; |
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import org.gvsig.raster.wcs.io.downloader.WCSTileServer; |
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import org.gvsig.remoteclient.wcs.WCSStatus; |
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import org.gvsig.tools.ToolsLocator; |
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/**
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* Clase que representa al driver de acceso a datos de wcs.
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*
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* @author Nacho Brodin (nachobrodin@gmail.com)
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*/
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public class WCSProvider extends AbstractRasterProvider implements RemoteRasterProvider { |
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public static String NAME = "Wcs Store"; |
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public static String DESCRIPTION = "Wcs Raster file"; |
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public static final String METADATA_DEFINITION_NAME = "WcsStore"; |
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|
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private Extent viewRequest = null; |
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private static Hashtable<URL, WCSConnector> |
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drivers = new Hashtable<URL, WCSConnector> (); |
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private boolean open = false; |
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private DataStoreTransparency fileTransparency = null; |
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private File lastRequest = null; |
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private AbstractRasterProvider lastRequestProvider = null; |
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private static final Logger logger = LoggerFactory.getLogger(WCSProvider.class); |
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public static void register() { |
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DataManagerProviderServices dataman = (DataManagerProviderServices) DALLocator.getDataManager(); |
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if (dataman != null && !dataman.getStoreProviders().contains(NAME)) { |
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dataman.registerStoreProvider(NAME, |
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WCSProvider.class, WCSDataParametersImpl.class); |
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} |
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if (!dataman.getExplorerProviders().contains(NAME)) {
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dataman.registerExplorerProvider(NAME, WCSServerExplorer.class, WCSServerExplorerParameters.class); |
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} |
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dataman.registerStoreFactory(NAME, DefaultStoreFactory.class); |
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} |
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public WCSProvider() throws NotSupportedExtensionException { |
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super();
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} |
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/**
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* Constructor. Abre el dataset.
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* @throws OpenException
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* @throws NotSupportedExtensionException
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* @deprecated use {@link #WCSProvider(URI)}, this constructor will be removed in gvSIG 2.5
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*/
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public WCSProvider(String params) throws InitializeException, OpenException { |
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super(params);
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logger.info("Deprecated use of WCSProvider constructor");
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if(params instanceof String) { |
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WCSDataParametersImpl p = new WCSDataParametersImpl();
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try {
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p.setURI(new URI((String) params)); |
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} catch (URISyntaxException e) { |
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throw new OpenException("Can't create URI from" + (String) params, e); |
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} |
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super.init(p, null, ToolsLocator.getDynObjectManager() |
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.createDynObject( |
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MetadataLocator.getMetadataManager().getDefinition( |
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DataStore.METADATA_DEFINITION_NAME))); |
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init(p, null);
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} |
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} |
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public WCSProvider(URI uri) throws InitializeException, OpenException { |
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super(uri);
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WCSDataParametersImpl p = new WCSDataParametersImpl();
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p.setURI(uri); |
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super.init(
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p, |
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null,
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ToolsLocator.getDynObjectManager().createDynObject( |
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MetadataLocator.getMetadataManager().getDefinition(DataStore.METADATA_DEFINITION_NAME))); |
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init(p, null);
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} |
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public WCSProvider(WCSDataParametersImpl params,
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DataStoreProviderServices storeServices) throws InitializeException {
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super(params, storeServices, ToolsLocator.getDynObjectManager()
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.createDynObject( |
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MetadataLocator.getMetadataManager().getDefinition( |
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DataStore.METADATA_DEFINITION_NAME))); |
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init(params, storeServices); |
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} |
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|
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/**
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* Gets the connector from the URL
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* @return
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* @throws RemoteServiceException
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*/
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public WCSConnector getConnector() throws RemoteServiceException { |
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WCSDataParametersImpl p = (WCSDataParametersImpl)parameters; |
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URL url = null; |
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try {
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url = p.getURI().toURL(); |
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} catch (Exception e) { |
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throw new RemoteServiceException("Malformed URL",e); |
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} |
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try {
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return WCSProvider.getConnectorFromURL(url);
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} catch (IOException e) { |
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throw new RemoteServiceException("Error getting the connector",e); |
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} |
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} |
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/**
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* Crea las referencias al fichero y carga
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* las estructuras con la informaci?n y los metadatos.
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* @param proj Proyecci?n
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* @param param Parametros de carga
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* @throws NotSupportedExtensionException
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* @throws RasterDriverException
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*/
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public void init (DataStoreParameters params, |
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DataStoreProviderServices storeServices) throws InitializeException {
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setParam(storeServices, params); |
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open = true;
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try {
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loadInitialInfo(); |
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} catch (RasterDriverException e) {
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throw new InitializeException(e.getMessage(), e); |
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} |
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stats = new RemoteDataStoreStatistics(this); |
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} |
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public static final WCSConnector getConnectorFromURL(URL url) throws IOException { |
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WCSConnector drv = (WCSConnector) drivers.get(url); |
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if (drv == null) { |
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drv = new WCSConnector(url);
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drivers.put(url, drv); |
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} |
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return drv;
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} |
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/**
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* Obtiene el objeto que contiene que contiene la interpretaci?n de
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* color por banda
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* @return
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*/
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public ColorInterpretation getColorInterpretation() {
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if(super.getColorInterpretation() == null) { |
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ColorInterpretation colorInterpretation = new DataStoreColorInterpretation();
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colorInterpretation.initColorInterpretation(getBandCount()); |
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if(getBandCount() == 3) { |
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colorInterpretation = DataStoreColorInterpretation.createRGBInterpretation(); |
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} else {
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for (int i = 0; i < getBandCount(); i++) { |
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colorInterpretation.setColorInterpValue(i, DataStoreColorInterpretation.GRAY_BAND); |
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} |
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} |
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setColorInterpretation(colorInterpretation); |
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} |
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return super.getColorInterpretation(); |
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} |
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/**
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* Gets WCS parameters
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* @return
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*/
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public WCSDataParameters getParameters() {
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return (WCSDataParameters)parameters;
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} |
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public AffineTransform getAffineTransform() { |
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Extent e = getExtent(); |
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double resolutionX = e.width() / getWidth();
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double resolutionY = e.height() / getHeight();
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ownTransformation = new AffineTransform( |
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resolutionX, // ESCALADO en X
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0, // CIZALLAMIENTO de la Y |
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0, // CIZALLAMIENTO de la X |
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-resolutionY, // ESCALADO en Y
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e.getULX() - (resolutionX / 2), // TRASLACION en X |
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e.getULY() - (resolutionY / 2)); // TRASLACION en Y |
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externalTransformation = (AffineTransform) ownTransformation.clone();
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return ownTransformation;
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} |
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/**
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* Calcula el extent en coordenadas del mundo real
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* @return Extent
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*/
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public Extent getExtent() {
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WCSDataParametersImpl p = (WCSDataParametersImpl)parameters; |
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try {
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p.setFormat("image/tiff");
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if(p.getSRSCode() == null){ |
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WCSConnector connector = WCSProvider.getConnectorFromURL(p.getURI().toURL()); |
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ArrayList srs = connector.getSRSs(p.getCoverageName());
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if(!srs.isEmpty() && !StringUtils.isBlank((String)srs.get(0))){ |
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p.setSRSID((String) srs.get(0)); |
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}else{
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return null; |
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} |
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} |
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Rectangle2D r = getConnector().getFullExtent(p.getCoverageName(), p.getSRSCode());
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if(r == null) |
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return null; |
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return new ExtentImpl(r.getX(), r.getY() + r.getHeight(), r.getX() + r.getWidth(), r.getY()); |
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} catch (RemoteServiceException e1) {
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e1.printStackTrace(); |
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} catch (IOException e) { |
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e.printStackTrace(); |
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} |
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return null; |
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} |
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public Rectangle2D getLayerExtent(String layerName, String srs) throws RemoteServiceException { |
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return null; |
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} |
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public RasterProvider load() {
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return this; |
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} |
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public boolean isOpen() { |
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return open;
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} |
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public void close() { |
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open = false;
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} |
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public Transparency getTransparency() { |
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if(fileTransparency == null) |
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fileTransparency = new DataStoreTransparency(getColorInterpretation());
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return fileTransparency;
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} |
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public URI translateURI(URI uri) { |
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return uri;
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} |
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public void setView(Extent e) { |
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viewRequest = e; |
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} |
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public Extent getView() {
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return viewRequest;
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} |
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public double getWidth() { |
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WCSDataParametersImpl p = (WCSDataParametersImpl)parameters; |
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try {
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return getConnector().getWidth(p.getCoverageName());
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} catch (RemoteServiceException e) {
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e.printStackTrace(); |
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} |
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return 0; |
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} |
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public double getHeight() { |
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WCSDataParametersImpl p = (WCSDataParametersImpl)parameters; |
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try {
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return getConnector().getHeight(p.getCoverageName());
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} catch (RemoteServiceException e) {
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e.printStackTrace(); |
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} |
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return 0; |
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} |
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public Object readCompleteLine(int line, int band) |
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throws InvalidSetViewException, FileNotOpenException, RasterDriverException {
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return null; |
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} |
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/**
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* When the remote layer has fixed size this method downloads the file and return its reference.
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* File layer has in the long side FIXED_SIZE pixels and the bounding box is complete. This file could be
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* useful to build an histogram or calculate statistics. This represents a sample of data.
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* @return
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* @throws RasterDriverException
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*/
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public File getFileLayer() throws RasterDriverException { |
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Extent e = getExtent(); |
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Rectangle2D bBox = new Rectangle2D.Double(e.getULX(), e.getLRY(), e.width(), e.height()); |
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WCSStatus wcsStatus = loadWCSStatus(bBox); |
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return downloadFile(wcsStatus, e, (int)getWidth(), (int)getHeight()); |
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} |
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|
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/**
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* Reads a complete block of data and returns an tridimensional array of the right type. This function is useful
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* to read a file very fast without setting a view. In a WCS service when the size is fixed then it will read the
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* entire image but when the source hasn't pixel size it will read a sample of data. This set of data will have
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* the size defined in FIXED_SIZE.
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*
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* @param pos Posici?n donde se empieza a leer
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* @param blockHeight Altura m?xima del bloque leido
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* @return Object que es un array tridimendional del tipo de datos del raster. (Bandas X Filas X Columnas)
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* @throws InvalidSetViewException
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* @throws FileNotOpenException
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* @throws RasterDriverException
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*/
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public Object readBlock(int pos, int blockHeight, double scale) |
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throws InvalidSetViewException, FileNotOpenException, RasterDriverException, ProcessInterruptedException {
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File lastFile = getFileLayer();
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BandList bandList = new BandListImpl();
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for (int i = 0; i < 3; i++) { |
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try {
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bandList.addBand(new DatasetBandImpl(lastFile.getPath(), pos, Buffer.TYPE_BYTE, 3)); |
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} catch (BandNotFoundInListException e1) {
|
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} |
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} |
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bandList.setDrawableBands(new int[]{0, 1, 2}); |
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|
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try {
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lastRequestProvider = openLastRequest(); |
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return lastRequestProvider.readBlock(pos, blockHeight, scale);
|
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} catch (ProviderNotRegisteredException exc) {
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throw new RasterDriverException("Error building GdalDriver", exc); |
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} catch (InitializeException exc) {
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throw new RasterDriverException("Error building GdalDriver", exc); |
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} |
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} |
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|
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public double getLastRequestHeight() throws RasterDriverException { |
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if(lastRequestProvider == null) { |
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try {
|
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lastRequestProvider = openLastRequest(); |
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} catch (ProviderNotRegisteredException e) {
|
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throw new RasterDriverException("Error building GdalDriver", e); |
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} catch (InitializeException e) {
|
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throw new RasterDriverException("Error building GdalDriver", e); |
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} |
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} |
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return lastRequestProvider.getHeight();
|
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} |
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|
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public double getLastRequestWidth() throws RasterDriverException { |
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if(lastRequestProvider == null) { |
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try {
|
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lastRequestProvider = openLastRequest(); |
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} catch (ProviderNotRegisteredException e) {
|
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throw new RasterDriverException("Error building GdalDriver", e); |
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} catch (InitializeException e) {
|
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throw new RasterDriverException("Error building GdalDriver", e); |
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} |
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} |
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return lastRequestProvider.getWidth();
|
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} |
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|
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public File getLastRequest() { |
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return lastRequest;
|
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} |
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|
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public Buffer getBufferLastRequest() throws ProcessInterruptedException, RasterDriverException { |
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try {
|
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lastRequestProvider = openLastRequest(); |
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|
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/*BandList bandList = new BandListImpl();
|
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for (int i = 0; i < lastRequestProvider.getBandCount(); i++) {
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try {
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bandList.addBand(new DatasetBandImpl(lastRequest.getPath(), i, Buffer.TYPE_BYTE, 3));
|
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} catch (BandNotFoundInListException e1) {
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}
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}
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bandList.setDrawableBands(new int[]{0, 1, 2});*/
|
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RasterQuery q = RasterLocator.getManager().createQuery(); |
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q.setAreaOfInterest(lastRequestProvider.getExtent(), |
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(int)lastRequestProvider.getWidth(),
|
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(int)lastRequestProvider.getHeight());
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q.setAllDrawableBands(); |
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q.setAdjustToExtent(true);
|
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|
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DefaultRasterStore store = new DefaultRasterStore();
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store.setProvider(lastRequestProvider); |
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return store.query(q);
|
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} catch (ProviderNotRegisteredException e) {
|
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throw new RasterDriverException("Error building GdalDriver", e); |
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} catch (InitializeException e) {
|
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throw new RasterDriverException("Error building GdalDriver", e); |
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} catch (QueryException e) {
|
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throw new RasterDriverException("Error reading data", e); |
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} |
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} |
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|
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/**
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* Opens the last request downloaded
|
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* @return
|
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* @throws ProviderNotRegisteredException
|
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* @throws InitializeException
|
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* @throws RasterDriverException
|
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*/
|
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private AbstractRasterProvider openLastRequest() throws ProviderNotRegisteredException, InitializeException, RasterDriverException { |
| 452 |
if(lastRequestProvider != null) |
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lastRequestProvider.close(); |
| 454 |
File lastFile = getFileLayer();
|
| 455 |
lastRequestProvider = DefaultProviderServices.loadProvider(new File(lastFile.getPath())); |
| 456 |
return lastRequestProvider;
|
| 457 |
} |
| 458 |
|
| 459 |
public Object getData(int x, int y, int band) |
| 460 |
throws InvalidSetViewException, FileNotOpenException, RasterDriverException {
|
| 461 |
int w = 25; |
| 462 |
int h = 25; |
| 463 |
|
| 464 |
Point2D p1 = rasterToWorld(new Point2D.Double(x, y)); |
| 465 |
Point2D p2 = rasterToWorld(new Point2D.Double(x + w, y + h)); |
| 466 |
Rectangle2D bBox = new Rectangle2D.Double(p1.getX(), p1.getY(), Math.abs(p1.getX() - p2.getX()), Math.abs(p1.getY() - p2.getY())); |
| 467 |
|
| 468 |
WCSDataParametersImpl p = (WCSDataParametersImpl)parameters; |
| 469 |
WCSStatus wcsStatus = new WCSStatus();
|
| 470 |
wcsStatus.setCoveraName(p.getCoverageName()); |
| 471 |
wcsStatus.setSrs(p.getSRSCode()); |
| 472 |
wcsStatus.setFormat(p.getFormat()); |
| 473 |
wcsStatus.setOnlineResource(p.getOnlineResource() != null ? (String) p.getOnlineResource().get("GetCoverage") : null); |
| 474 |
wcsStatus.setExtent(bBox); |
| 475 |
wcsStatus.setHeight(h); |
| 476 |
wcsStatus.setWidth(w); |
| 477 |
wcsStatus.setDepth(p.getDepth()); |
| 478 |
wcsStatus.setParameters(p.getParameter()); |
| 479 |
wcsStatus.setTime(p.getTime()); |
| 480 |
|
| 481 |
lastRequest = downloadFile(wcsStatus, p1.getX(), p1.getY(), p2.getX(), p2.getY(), w, h); |
| 482 |
|
| 483 |
AbstractRasterProvider driver = null;
|
| 484 |
try {
|
| 485 |
driver = DefaultProviderServices.loadProvider(new File(lastRequest.getPath())); |
| 486 |
/*Buffer buf = DefaultRasterManager.getInstance().createBuffer(getDataType()[0], w, h, getBandCount(), true);
|
| 487 |
BandList bandList = new BandListImpl();
|
| 488 |
int[] drawable = new int[getBandCount()];
|
| 489 |
for (int i = 0; i < getBandCount(); i++) {
|
| 490 |
try {
|
| 491 |
bandList.addBand(new DatasetBandImpl(lastRequest.getPath(), i, getDataType()[i], getBandCount()));
|
| 492 |
drawable[i] = i;
|
| 493 |
} catch (BandNotFoundInListException e1) {
|
| 494 |
}
|
| 495 |
}
|
| 496 |
bandList.setDrawableBands(drawable);*/
|
| 497 |
|
| 498 |
RasterQuery q = RasterLocator.getManager().createQuery(); |
| 499 |
Rectangle r = new Rectangle(0, 0, 25, 25); |
| 500 |
q.setAreaOfInterest(r); |
| 501 |
q.setAllDrawableBands(); |
| 502 |
DefaultRasterStore store = new DefaultRasterStore();
|
| 503 |
store.setProvider(driver); |
| 504 |
|
| 505 |
Buffer buf = store.query(q);
|
| 506 |
driver.close(); |
| 507 |
if(buf.getDataType() == Buffer.TYPE_BYTE) { |
| 508 |
return new Integer(buf.getElemByte(0, 0, band)); |
| 509 |
} |
| 510 |
if(buf.getDataType() == Buffer.TYPE_SHORT) { |
| 511 |
return new Integer(buf.getElemShort(0, 0, band)); |
| 512 |
} |
| 513 |
if(buf.getDataType() == Buffer.TYPE_INT) { |
| 514 |
return new Integer(buf.getElemInt(0, 0, band)); |
| 515 |
} |
| 516 |
if(buf.getDataType() == Buffer.TYPE_FLOAT) { |
| 517 |
return new Float(buf.getElemFloat(0, 0, band)); |
| 518 |
} |
| 519 |
if(buf.getDataType() == Buffer.TYPE_DOUBLE) { |
| 520 |
return new Double(buf.getElemDouble(0, 0, band)); |
| 521 |
} |
| 522 |
} catch(InitializeException e) {
|
| 523 |
throw new RasterDriverException("", e); |
| 524 |
} catch (ProviderNotRegisteredException e) {
|
| 525 |
throw new RasterDriverException("", e); |
| 526 |
} catch (ProcessInterruptedException e) {
|
| 527 |
} catch (QueryException e) {
|
| 528 |
throw new RasterDriverException("", e); |
| 529 |
} |
| 530 |
return null; |
| 531 |
} |
| 532 |
|
| 533 |
/**
|
| 534 |
* Gets the georeferencing file name form a raster file
|
| 535 |
* @param file
|
| 536 |
* a raster file
|
| 537 |
* @return
|
| 538 |
* a georeferencing file
|
| 539 |
*/
|
| 540 |
private String getWorldFile(String file){ |
| 541 |
String worldFile = file;
|
| 542 |
int index = file.lastIndexOf("."); |
| 543 |
if (index > 0) { |
| 544 |
worldFile = file.substring(0, index) + getExtensionWorldFile();
|
| 545 |
} else {
|
| 546 |
worldFile = file + getExtensionWorldFile(); |
| 547 |
} |
| 548 |
return worldFile;
|
| 549 |
} |
| 550 |
|
| 551 |
/**
|
| 552 |
* Obtiene la extensi?n del fichero de georreferenciaci?n
|
| 553 |
* @return String con la extensi?n del fichero de georreferenciaci?n dependiendo
|
| 554 |
* del valor del formato obtenido del servidor. Por defecto asignaremos un .wld
|
| 555 |
*/
|
| 556 |
private String getExtensionWorldFile() { |
| 557 |
WCSDataParametersImpl p = (WCSDataParametersImpl)parameters; |
| 558 |
String extWorldFile = ".wld"; |
| 559 |
if(p.getFormat().equals("image/tif") || p.getFormat().equals("image/tiff")) { |
| 560 |
extWorldFile = ".tfw";
|
| 561 |
} |
| 562 |
return extWorldFile;
|
| 563 |
} |
| 564 |
|
| 565 |
private WCSStatus loadWCSStatus(Rectangle2D bBox) { |
| 566 |
WCSDataParametersImpl p = (WCSDataParametersImpl)parameters; |
| 567 |
WCSStatus wcsStatus = new WCSStatus();
|
| 568 |
wcsStatus.setCoveraName(p.getCoverageName()); |
| 569 |
wcsStatus.setSrs(p.getSRSCode()); |
| 570 |
wcsStatus.setFormat(p.getFormat()); |
| 571 |
wcsStatus.setOnlineResource(p.getOnlineResource() != null ? (String) p.getOnlineResource().get("GetCoverage") : null); |
| 572 |
wcsStatus.setExtent(bBox); |
| 573 |
wcsStatus.setHeight(p.getHeight()); |
| 574 |
wcsStatus.setWidth(p.getWidth()); |
| 575 |
wcsStatus.setDepth(p.getDepth()); |
| 576 |
wcsStatus.setParameters(p.getParameter()); |
| 577 |
wcsStatus.setTime(p.getTime()); |
| 578 |
return wcsStatus;
|
| 579 |
} |
| 580 |
|
| 581 |
public boolean needEnhanced() { |
| 582 |
return (getDataType()[0] != Buffer.TYPE_BYTE || |
| 583 |
(getBandCount() == 1 && getDataType()[0] == Buffer.TYPE_BYTE)); |
| 584 |
} |
| 585 |
|
| 586 |
/**
|
| 587 |
* This function downloads the file and creates the georeferencing file
|
| 588 |
* @param wcsStatus
|
| 589 |
* @param ulx
|
| 590 |
* @param uly
|
| 591 |
* @param lrx
|
| 592 |
* @param lry
|
| 593 |
* @param w
|
| 594 |
* @param h
|
| 595 |
* @return
|
| 596 |
* @throws RasterDriverException
|
| 597 |
*/
|
| 598 |
private File downloadFile(WCSStatus wcsStatus, double ulx, double uly, double lrx, double lry, int w, int h) throws RasterDriverException { |
| 599 |
Extent extent = new ExtentImpl(ulx, uly, lrx, lry);
|
| 600 |
return downloadFile(wcsStatus, extent, w, h);
|
| 601 |
} |
| 602 |
|
| 603 |
/**
|
| 604 |
* This function downloads the file and creates the georeferencing file
|
| 605 |
* @param wcsStatus
|
| 606 |
* @param ulx
|
| 607 |
* @param uly
|
| 608 |
* @param lrx
|
| 609 |
* @param lry
|
| 610 |
* @param w
|
| 611 |
* @param h
|
| 612 |
* @return
|
| 613 |
* @throws RasterDriverException
|
| 614 |
*/
|
| 615 |
private File downloadFile(WCSStatus wcsStatus, Extent extent, int w, int h) throws RasterDriverException { |
| 616 |
try {
|
| 617 |
lastRequest = getConnector().getCoverage(wcsStatus, ((WCSDataParametersImpl)parameters).getCancellable()); |
| 618 |
} catch (RemoteServiceException e) {
|
| 619 |
throw new RasterDriverException(e.getMessage(), e); |
| 620 |
} |
| 621 |
|
| 622 |
String nameWorldFile = getWorldFile(lastRequest.getPath());
|
| 623 |
try {
|
| 624 |
fileUtil.createWorldFile(nameWorldFile, extent, w, h); |
| 625 |
} catch (IOException e) { |
| 626 |
throw new RasterDriverException("Error downloading file", e); |
| 627 |
} |
| 628 |
|
| 629 |
return lastRequest;
|
| 630 |
} |
| 631 |
|
| 632 |
/**
|
| 633 |
* Assigns the list of bands RGB and read a window of data
|
| 634 |
* @param rasterBuf
|
| 635 |
* @param bandList
|
| 636 |
* @param lastFile
|
| 637 |
* @param ulx
|
| 638 |
* @param uly
|
| 639 |
* @param lrx
|
| 640 |
* @param lry
|
| 641 |
* @return
|
| 642 |
* @throws RasterDriverException
|
| 643 |
* @throws ProcessInterruptedException
|
| 644 |
*/
|
| 645 |
public Buffer getBuffer(BandList bandList, File lastFile, |
| 646 |
double ulx, double uly, double lrx, double lry) throws RasterDriverException, ProcessInterruptedException { |
| 647 |
try {
|
| 648 |
//El nombre de fichero que ha puesto en el bandList es el del servidor y no el del fichero en disco
|
| 649 |
/*String serverName = bandList.getBand(0).getFileName();
|
| 650 |
for (int i = 0; i < bandList.getBandCount(); i++) {
|
| 651 |
bandList.getBand(i).setFileName(lastFile.getPath());
|
| 652 |
}*/
|
| 653 |
|
| 654 |
AbstractRasterProvider driver = DefaultProviderServices.loadProvider(lastFile); |
| 655 |
|
| 656 |
RasterQuery q = RasterLocator.getManager().createQuery(); |
| 657 |
q.setAreaOfInterest(new ExtentImpl(ulx, uly, lrx, lry));
|
| 658 |
q.setDrawableBands(bandList.getDrawableBands()); |
| 659 |
DefaultRasterStore store = new DefaultRasterStore();
|
| 660 |
store.setProvider(driver); |
| 661 |
Buffer buf = store.query(q);
|
| 662 |
|
| 663 |
/*for (int i = 0; i < bandList.getBandCount(); i++) {
|
| 664 |
bandList.getBand(i).setFileName(serverName);
|
| 665 |
}*/
|
| 666 |
|
| 667 |
return buf;
|
| 668 |
} catch (ProviderNotRegisteredException e) {
|
| 669 |
throw new RasterDriverException("Error building GdalDriver", e); |
| 670 |
} catch (InitializeException e) {
|
| 671 |
throw new RasterDriverException("Error building GdalDriver", e); |
| 672 |
} catch (QueryException e) {
|
| 673 |
throw new RasterDriverException("Error reading data", e); |
| 674 |
} |
| 675 |
} |
| 676 |
|
| 677 |
@Override
|
| 678 |
public void loadBuffer(SpiRasterQuery query) |
| 679 |
throws ProcessInterruptedException, RasterDriverException {
|
| 680 |
Extent ex = query.getAdjustedRequestBoundingBox(); |
| 681 |
WCSStatus wcsStatus = loadWCSStatus(ex.toRectangle2D()); |
| 682 |
|
| 683 |
lastRequest = downloadFile( |
| 684 |
wcsStatus, |
| 685 |
ex, |
| 686 |
query.getAdjustedBufWidth(), |
| 687 |
query.getAdjustedBufHeight()); |
| 688 |
|
| 689 |
if (lastRequest == null) { |
| 690 |
return;
|
| 691 |
} |
| 692 |
|
| 693 |
try {
|
| 694 |
AbstractRasterProvider driver = DefaultProviderServices.loadProvider(lastRequest); |
| 695 |
DefaultRasterStore store = new DefaultRasterStore();
|
| 696 |
store.setProvider(driver); |
| 697 |
query.createBuffer(store); |
| 698 |
store.query((RasterQuery)query); |
| 699 |
} catch (ProviderNotRegisteredException e) {
|
| 700 |
throw new RasterDriverException("Error building GdalDriver", e); |
| 701 |
} catch (InitializeException e) {
|
| 702 |
throw new RasterDriverException("Error building GdalDriver", e); |
| 703 |
} catch (QueryException e) {
|
| 704 |
throw new RasterDriverException("Error reading data", e); |
| 705 |
} |
| 706 |
|
| 707 |
} |
| 708 |
|
| 709 |
/**
|
| 710 |
* When a WCS provider is opened the information of data type and number of bands is not
|
| 711 |
* available. Only after the first time a raster has been downloaded it can be know.
|
| 712 |
* @param newDataType
|
| 713 |
* @param buf
|
| 714 |
* @param bandList
|
| 715 |
* @return
|
| 716 |
* @throws RasterDriverException
|
| 717 |
*/
|
| 718 |
private void loadInitialInfo() throws RasterDriverException { |
| 719 |
WCSDataParametersImpl p = (WCSDataParametersImpl)parameters; |
| 720 |
Extent ext = getExtent(); |
| 721 |
if(ext != null){ |
| 722 |
Rectangle2D bBox = ext.toRectangle2D();
|
| 723 |
int w = 0; |
| 724 |
int h = 0; |
| 725 |
if(ext.width() > ext.height()) {
|
| 726 |
w = 200;
|
| 727 |
h = (int)((ext.height() * w) / ext.width());
|
| 728 |
} else {
|
| 729 |
h = 200;
|
| 730 |
w = (int)((ext.width() * h) / ext.height());
|
| 731 |
} |
| 732 |
p.setWidth(w); |
| 733 |
p.setHeight(h); |
| 734 |
p.setExtent(bBox); |
| 735 |
WCSStatus wcsStatus = loadWCSStatus(bBox); |
| 736 |
|
| 737 |
lastRequest = downloadFile(wcsStatus, ext.getULX(), ext.getULY(), ext.getLRX(), ext.getLRY(), w, h); |
| 738 |
AbstractRasterProvider driver; |
| 739 |
try {
|
| 740 |
driver = DefaultProviderServices.loadProvider(lastRequest); |
| 741 |
setDataType(driver.getDataType()); |
| 742 |
bandCount = driver.getBandCount(); |
| 743 |
driver.close(); |
| 744 |
} catch (ProviderNotRegisteredException e) {
|
| 745 |
throw new RasterDriverException("", e); |
| 746 |
} catch (InitializeException e) {
|
| 747 |
throw new RasterDriverException("", e); |
| 748 |
} |
| 749 |
} |
| 750 |
} |
| 751 |
|
| 752 |
/**
|
| 753 |
* When a WCS provider is opened the information of data type and number of bands is not
|
| 754 |
* available. Only after the first time a raster has been downloaded it can be know.
|
| 755 |
* @param newDataType
|
| 756 |
* @param buf
|
| 757 |
* @param bandList
|
| 758 |
* @return
|
| 759 |
*/
|
| 760 |
/*private Buffer changeBufferDataType(int newDataType, Buffer buf, BandList bandList) {
|
| 761 |
Buffer newBuffer = null;
|
| 762 |
if(buf.getDataType() != newDataType) {
|
| 763 |
newBuffer = DefaultRasterManager.getInstance().createReadOnlyBuffer(newDataType, buf.getWidth(), buf.getHeight(), buf.getBandCount());
|
| 764 |
buf.free();
|
| 765 |
} else
|
| 766 |
return buf;
|
| 767 |
|
| 768 |
bandList.clear();
|
| 769 |
for(int i = 0; i < getBandCount(); i++)
|
| 770 |
try {
|
| 771 |
int dataType = getDataType()[i];
|
| 772 |
DatasetBand band = new DatasetBandImpl(getFName(), i, dataType, getBandCount());
|
| 773 |
bandList.addBand(band, i);
|
| 774 |
} catch(BandNotFoundInListException ex) {
|
| 775 |
//No a?adimos la banda
|
| 776 |
}
|
| 777 |
return newBuffer;
|
| 778 |
}*/
|
| 779 |
|
| 780 |
/*public Buffer getWindow(int x, int y, int w, int h,
|
| 781 |
BandList bandList, Buffer rasterBuf, TaskStatus status) throws ProcessInterruptedException, RasterDriverException {
|
| 782 |
Point2D p1 = rasterToWorld(new Point2D.Double(x, y));
|
| 783 |
Point2D p2 = rasterToWorld(new Point2D.Double(x + w, y + h));
|
| 784 |
Rectangle2D bBox = new Rectangle2D.Double(p1.getX(), p1.getY(), Math.abs(p1.getX() - p2.getX()), Math.abs(p1.getY() - p2.getY()));
|
| 785 |
WCSStatus wcsStatus = loadWCSStatus(bBox);
|
| 786 |
|
| 787 |
lastRequest = downloadFile(wcsStatus, p1.getX(), p1.getY(), p2.getX(), p2.getY(), rasterBuf.getWidth(), rasterBuf.getHeight());
|
| 788 |
|
| 789 |
if (lastRequest == null) {
|
| 790 |
return rasterBuf;
|
| 791 |
}
|
| 792 |
|
| 793 |
AbstractRasterProvider driver = null;
|
| 794 |
try {
|
| 795 |
driver = DefaultProviderServices.loadProvider(new File(lastRequest.getPath()));
|
| 796 |
|
| 797 |
//El nombre de fichero que ha puesto en el bandList es el del servidor y no el del fichero en disco
|
| 798 |
String serverName = bandList.getBand(0).getFileName();
|
| 799 |
for (int i = 0; i < bandList.getBandCount(); i++) {
|
| 800 |
bandList.getBand(i).setFileName(lastRequest.getPath());
|
| 801 |
}
|
| 802 |
|
| 803 |
DefaultRasterQuery q = (DefaultRasterQuery)RasterLocator.getManager().createQuery();
|
| 804 |
q.setAreaOfInterest(0, 0, w, h);
|
| 805 |
q.setBandList(bandList);
|
| 806 |
q.setBuffer(rasterBuf);
|
| 807 |
Buffer buf = driver.getDataSet(q);
|
| 808 |
|
| 809 |
for (int i = 0; i < bandList.getBandCount(); i++) {
|
| 810 |
bandList.getBand(i).setFileName(serverName);
|
| 811 |
}
|
| 812 |
driver.close();
|
| 813 |
return buf;
|
| 814 |
} catch (ProviderNotRegisteredException e) {
|
| 815 |
throw new RasterDriverException("Error building GdalDriver", e);
|
| 816 |
} catch (InitializeException e) {
|
| 817 |
throw new RasterDriverException("Error building GdalDriver", e);
|
| 818 |
}
|
| 819 |
}*/
|
| 820 |
|
| 821 |
public int getBlockSize() { |
| 822 |
return 0; |
| 823 |
} |
| 824 |
|
| 825 |
public void setAffineTransform(AffineTransform t){ |
| 826 |
|
| 827 |
} |
| 828 |
|
| 829 |
public int getOverviewCount(int band) throws BandAccessException, RasterDriverException { |
| 830 |
return 0; |
| 831 |
} |
| 832 |
|
| 833 |
public int getOverviewWidth(int band, int overview) throws BandAccessException, RasterDriverException { |
| 834 |
return 0; |
| 835 |
} |
| 836 |
|
| 837 |
public int getOverviewHeight(int band, int overview) throws BandAccessException, RasterDriverException { |
| 838 |
return 0; |
| 839 |
} |
| 840 |
|
| 841 |
public boolean isOverviewsSupported() { |
| 842 |
return false; |
| 843 |
} |
| 844 |
|
| 845 |
public boolean isReproyectable() { |
| 846 |
return false; |
| 847 |
} |
| 848 |
|
| 849 |
public String getProviderName() { |
| 850 |
return NAME;
|
| 851 |
} |
| 852 |
|
| 853 |
public String getName() { |
| 854 |
return this.getParameters().getCoverageName(); |
| 855 |
} |
| 856 |
|
| 857 |
/**
|
| 858 |
* Convierte un punto desde coordenadas pixel a coordenadas del mundo.
|
| 859 |
* @param pt Punto a transformar
|
| 860 |
* @return punto transformado en coordenadas del mundo
|
| 861 |
*/
|
| 862 |
public Point2D rasterToWorld(Point2D pt) { |
| 863 |
Point2D p = new Point2D.Double(); |
| 864 |
getAffineTransform().transform(pt, p); |
| 865 |
return p;
|
| 866 |
} |
| 867 |
|
| 868 |
/**
|
| 869 |
* Convierte un punto desde del mundo a coordenadas pixel.
|
| 870 |
* @param pt Punto a transformar
|
| 871 |
* @return punto transformado en coordenadas pixel
|
| 872 |
*/
|
| 873 |
public Point2D worldToRaster(Point2D pt) { |
| 874 |
Point2D p = new Point2D.Double(); |
| 875 |
try {
|
| 876 |
getAffineTransform().inverseTransform(pt, p); |
| 877 |
} catch (NoninvertibleTransformException e) { |
| 878 |
return pt;
|
| 879 |
} |
| 880 |
return p;
|
| 881 |
} |
| 882 |
|
| 883 |
public void setStatus(RasterProvider provider) { |
| 884 |
if(provider instanceof WCSProvider) { |
| 885 |
} |
| 886 |
} |
| 887 |
|
| 888 |
/**
|
| 889 |
* ASigna el par?metro de inicializaci?n del driver.
|
| 890 |
*/
|
| 891 |
public void setParam(DataStoreProviderServices storeServices, DataStoreParameters param) { |
| 892 |
if(param instanceof WCSDataParametersImpl) |
| 893 |
this.uri = ((WCSDataParametersImpl)param).getURI();
|
| 894 |
this.param = param;
|
| 895 |
} |
| 896 |
|
| 897 |
/**
|
| 898 |
* Gets the suffix of the downloaded image
|
| 899 |
* @return
|
| 900 |
*/
|
| 901 |
public String getFileSuffix() { |
| 902 |
WCSDataParametersImpl p = (WCSDataParametersImpl)parameters; |
| 903 |
String format = p.getFormat().toLowerCase();
|
| 904 |
if (format == null) { |
| 905 |
return "xml"; |
| 906 |
} |
| 907 |
if (format.indexOf("png") >= 0){ |
| 908 |
return "png"; |
| 909 |
} |
| 910 |
if (format.indexOf("xml") >= 0){ |
| 911 |
return "xml"; |
| 912 |
} |
| 913 |
if (format.indexOf("gif") >= 0){ |
| 914 |
return "gif"; |
| 915 |
} |
| 916 |
if (format.indexOf("tif") >= 0){ |
| 917 |
return "tif"; |
| 918 |
} |
| 919 |
if (format.indexOf("bmp") >= 0){ |
| 920 |
return "bmp"; |
| 921 |
} |
| 922 |
if (format.indexOf("jpg") >= 0 |
| 923 |
|| format.indexOf("jpeg") >= 0){ |
| 924 |
return "jpg"; |
| 925 |
} |
| 926 |
return "xml"; |
| 927 |
} |
| 928 |
|
| 929 |
public TileServer getTileServer() {
|
| 930 |
if(tileServer == null) { |
| 931 |
DefaultRasterStore store = new DefaultRasterStore();
|
| 932 |
store.setProvider(this);
|
| 933 |
tileServer = new WCSTileServer(store);
|
| 934 |
} |
| 935 |
return tileServer;
|
| 936 |
} |
| 937 |
|
| 938 |
public boolean isRasterEnclosed() { |
| 939 |
return true; |
| 940 |
} |
| 941 |
|
| 942 |
public File getRMFFile() { |
| 943 |
if(lastRequest != null) |
| 944 |
return new File(FilenameUtils.removeExtension(lastRequest.getAbsolutePath()) + ".rmf"); |
| 945 |
return null; |
| 946 |
} |
| 947 |
|
| 948 |
public HistogramComputer getHistogramComputer() {
|
| 949 |
if (histogram == null) |
| 950 |
histogram = new RemoteStoreHistogram(this); |
| 951 |
return histogram;
|
| 952 |
} |
| 953 |
|
| 954 |
/* (non-Javadoc)
|
| 955 |
* @see org.gvsig.raster.impl.provider.RasterProvider#addFile(java.io.File)
|
| 956 |
*/
|
| 957 |
@Override
|
| 958 |
public void addFile(File file) throws InvalidSourceException { |
| 959 |
// Do nothing
|
| 960 |
|
| 961 |
} |
| 962 |
|
| 963 |
/* (non-Javadoc)
|
| 964 |
* @see org.gvsig.raster.impl.provider.RasterProvider#removeFile(java.io.File)
|
| 965 |
*/
|
| 966 |
@Override
|
| 967 |
public void removeFile(File file) { |
| 968 |
// Do nothing
|
| 969 |
|
| 970 |
} |
| 971 |
|
| 972 |
} |