gvsig-raster / org.gvsig.raster / trunk / org.gvsig.raster / org.gvsig.raster.io / org.gvsig.raster.io.base / src / main / java / org / gvsig / fmap / dal / coverage / dataset / io / wms / WMSProvider.java @ 238
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/* gvSIG. Geographic Information System of the Valencian Government
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*
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* Copyright (C) 2007-2008 Infrastructures and Transports Department
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* of the Valencian Government (CIT)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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*/
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package org.gvsig.fmap.dal.coverage.dataset.io.wms; |
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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.URL; |
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import java.util.Hashtable; |
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import java.util.Vector; |
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import org.gvsig.compat.net.ICancellable; |
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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.dataset.Buffer; |
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import org.gvsig.fmap.dal.coverage.dataset.io.GdalProvider; |
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import org.gvsig.fmap.dal.coverage.dataset.io.param.WMSDataParametersImpl; |
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import org.gvsig.fmap.dal.coverage.dataset.io.server.DefaultWMSServerExplorerParameters; |
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import org.gvsig.fmap.dal.coverage.dataset.io.server.WMSServerExplorerImpl; |
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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.NotSupportedExtensionException; |
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import org.gvsig.fmap.dal.coverage.exception.ProcessInterruptedException; |
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import org.gvsig.fmap.dal.coverage.exception.RasterDriverException; |
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import org.gvsig.fmap.dal.coverage.exception.WMSException; |
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import org.gvsig.fmap.dal.coverage.explorer.WMSServerExplorer; |
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import org.gvsig.fmap.dal.coverage.grid.render.TileListener; |
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import org.gvsig.fmap.dal.coverage.store.parameter.WMSDataParameters; |
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import org.gvsig.fmap.dal.coverage.store.props.Transparency; |
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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.impl.DefaultRasterManager; |
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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.DefaultRasterProvider; |
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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.AbstractRasterDataStore; |
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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.remoteclient.utils.Utilities; |
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import org.gvsig.remoteclient.wms.WMSStatus; |
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.extensionpoint.ExtensionPoint; |
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import org.gvsig.tools.extensionpoint.ExtensionPointManager; |
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/**
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* Clase que representa al driver de acceso a datos de wms.
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*
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* @author Nacho Brodin (nachobrodin@gmail.com)
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*/
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public class WMSProvider extends DefaultRasterProvider implements RemoteRasterProvider { |
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public static String NAME = "Wms Store"; |
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public static String DESCRIPTION = "Wms Raster file"; |
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public static final String METADATA_DEFINITION_NAME = "WmsStore"; |
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private static final int FIXED_SIZE = 800; |
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private Extent viewRequest = null; |
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private static Hashtable<URL, WMSConnector> |
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drivers = new Hashtable<URL, WMSConnector> (); |
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private boolean open = false; |
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private DataStoreTransparency fileTransparency = null; |
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private final int minTilePrintWidth = 12; |
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private final int minTilePrintHeight = 12; |
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//The out size depends on the last request
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private int lastWidthRequest = 0; |
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private int lastHeightRequest = 0; |
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//Only for fixed size. Complete extent and FIXED_SIZE in long side
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private File fileLayerPixelSize = null; |
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private File lastRequest = null; |
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public static void register() { |
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ExtensionPointManager extensionPoints = ToolsLocator.getExtensionPointManager(); |
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ExtensionPoint point = extensionPoints.get("RasterReader");
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point.append("wms", "", WMSProvider.class); |
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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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WMSProvider.class, WMSDataParametersImpl.class); |
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} |
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if (!dataman.getExplorerProviders().contains(WMSServerExplorerImpl.NAME)) {
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dataman.registerExplorerProvider(WMSServerExplorer.NAME, WMSServerExplorerImpl.class, DefaultWMSServerExplorerParameters.class); |
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} |
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dataman.registerStoreFactory(NAME, DefaultStoreFactory.class); |
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} |
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public WMSProvider() 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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* @param proj Proyecci?n
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* @param fName Nombre del fichero
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* @throws NotSupportedExtensionException
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*/
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public WMSProvider(String params) throws NotSupportedExtensionException { |
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super(params);
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if(params instanceof String) { |
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WMSDataParametersImpl p = new WMSDataParametersImpl();
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p.setHost((String)params);
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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 WMSProvider(WMSDataParametersImpl params,
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AbstractRasterDataStore storeServices) throws NotSupportedExtensionException {
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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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* Gets the connector from the URL
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* @return
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* @throws WMSException
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*/
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private WMSConnector getConnector() throws WMSException { |
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WMSDataParametersImpl p = (WMSDataParametersImpl)parameters; |
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URL url = null; |
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try {
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url = new URL(p.getHost()); |
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} catch (Exception e) { |
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throw new WMSException("Malformed URL",e); |
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} |
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try {
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return WMSProvider.getConnectorFromURL(url);
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} catch (IOException e) { |
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throw new WMSException("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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*/
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public void init (DataStoreParameters params, |
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DataStoreProviderServices storeServices) throws NotSupportedExtensionException {
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setParam(params); |
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setDataType(new int[]{Buffer.TYPE_BYTE, Buffer.TYPE_BYTE, Buffer.TYPE_BYTE}); |
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bandCount = 3;
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mustTileRequest = false;
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} |
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public static final WMSConnector getConnectorFromURL(URL url) throws IOException { |
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WMSConnector drv = (WMSConnector) drivers.get(url); |
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if (drv == null) { |
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drv = new WMSConnector(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 DataStoreColorInterpretation getColorInterpretation() {
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if(colorInterpretation == null) { |
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colorInterpretation = new DataStoreColorInterpretation();
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colorInterpretation.initColorInterpretation(getBandCount()); |
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colorInterpretation.setColorInterpValue(0, DataStoreColorInterpretation.RED_BAND);
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colorInterpretation.setColorInterpValue(1, DataStoreColorInterpretation.GREEN_BAND);
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colorInterpretation.setColorInterpValue(2, DataStoreColorInterpretation.BLUE_BAND);
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} |
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return colorInterpretation;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.dal.coverage.dataset.RasterDataSet#getAffineTransform()
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*/
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public AffineTransform getAffineTransform() { |
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WMSDataParametersImpl p = (WMSDataParametersImpl)parameters; |
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Extent e = getExtent(); |
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if(p.isSizeFixed()) {
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double psX = e.width() / (p.getWidth() - 1); |
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double psY = -(e.height() / (p.getHeight() - 1)); |
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ownTransformation = new AffineTransform( |
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psX , |
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0,
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0,
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psY, |
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e.getULX() - (psX / 2),
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e.getULY() - (psY / 2));
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} else {
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double psX = e.width() / (lastWidthRequest <= 0 ? p.getWidth() : lastWidthRequest); |
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double psY = -(e.height() / (lastHeightRequest <= 0 ? p.getHeight() : lastHeightRequest)); |
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ownTransformation = new AffineTransform( |
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psX, |
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0,
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0,
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psY, |
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e.getULX() - (psX / 2),
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e.getULY() - (psY / 2));
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/*ownTransformation = new AffineTransform(
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p.getExtent().getWidth() / (lastWidthRequest <= 0 ? p.getWidth() : lastWidthRequest) ,
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0,
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0,
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-(p.getExtent().getHeight() / (lastHeightRequest <= 0 ? p.getHeight() : lastHeightRequest)),
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p.getExtent().getMinX(),
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p.getExtent().getMinY());*/
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} |
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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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WMSDataParametersImpl p = (WMSDataParametersImpl)parameters; |
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Vector<?> layerNames = Utilities.createVector(p.getLayerQuery(), ","); |
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String[] ln = new String[layerNames.size()]; |
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for (int i = 0; i < ln.length; i++) { |
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ln[i] = (String)layerNames.get(i);
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} |
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Rectangle2D r = null; |
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try {
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r = getConnector().getLayersExtent(ln, p.getSRSCode()); |
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} catch (WMSException e) {
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} |
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return new ExtentImpl(r.getMinX(), r.getMaxY(), r.getMaxX(), r.getMinY()); |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.impl.provider.RemoteRasterProvider#getLayerExtent(java.lang.String, java.lang.String)
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*/
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public Rectangle2D getLayerExtent(String layerName, String srs) throws WMSException { |
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return getConnector().getLayersExtent(new String[]{layerName}, srs); |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#load()
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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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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.impl.provider.RasterProvider#isOpen()
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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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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#close()
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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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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getTransparency()
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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();
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return fileTransparency;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#translateFileName(java.lang.String)
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*/
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public String translateFileName(String fileName) { |
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return fileName;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#setView(org.gvsig.fmap.dal.coverage.datastruct.Extent)
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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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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getView()
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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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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getWidth()
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*/
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public double getWidth() { |
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WMSDataParametersImpl p = (WMSDataParametersImpl)parameters; |
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if(p.isSizeFixed()) {
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return p.getWidth();
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} |
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if (lastWidthRequest <= 0) |
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return p.getWidth();
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if (lastWidthRequest < minTilePrintWidth)
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return minTilePrintWidth;
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return lastWidthRequest;
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} |
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|
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getHeight()
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*/
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public double getHeight() { |
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WMSDataParametersImpl p = (WMSDataParametersImpl)parameters; |
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if(p.isSizeFixed()) {
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return p.getHeight();
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} |
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if (lastHeightRequest <= 0) |
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return p.getHeight();
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if (lastHeightRequest < minTilePrintHeight)
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return minTilePrintHeight;
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return lastHeightRequest;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#readCompleteLine(int, int)
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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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if(fileLayerPixelSize != null) |
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return fileLayerPixelSize;
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WMSDataParametersImpl p = (WMSDataParametersImpl)parameters; |
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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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WMSStatus wmsStatus = loadWMSStatus(bBox); |
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if(!p.isSizeFixed()) {
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int w = 0; |
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int h = 0; |
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if(e.width() > e.height()) {
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w = FIXED_SIZE; |
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h = (int)((e.height() * FIXED_SIZE) / e.width());
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} else {
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h = FIXED_SIZE; |
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w = (int)((e.width() * FIXED_SIZE) / e.height());
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} |
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wmsStatus.setWidth(w); |
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wmsStatus.setHeight(h); |
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fileLayerPixelSize = downloadFile(wmsStatus, e.getULX(), e.getULY(), e.getLRX(), e.getLRY(), w, h); |
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} else {
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fileLayerPixelSize = downloadFile(wmsStatus, e.getULX(), e.getULY(), e.getLRX(), e.getLRY(), |
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p.getFixedSize().width, p.getFixedSize().height); |
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} |
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return fileLayerPixelSize;
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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 WMS 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) |
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throws InvalidSetViewException, FileNotOpenException, RasterDriverException, ProcessInterruptedException {
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File lastFile = getFileLayer();
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BandList bandList = new BandListImpl();
|
| 430 |
for (int i = 0; i < 3; i++) { |
| 431 |
try {
|
| 432 |
bandList.addBand(new DatasetBandImpl(lastFile.getPath(), pos, Buffer.TYPE_BYTE, 3), pos); |
| 433 |
} catch (BandNotFoundInListException e1) {
|
| 434 |
} |
| 435 |
} |
| 436 |
bandList.setDrawableBands(new int[]{0, 1, 2}); |
| 437 |
|
| 438 |
try {
|
| 439 |
GdalProvider driver = new GdalProvider(lastFile.getPath());
|
| 440 |
return driver.readBlock(pos, blockHeight);
|
| 441 |
} catch (NotSupportedExtensionException exc) {
|
| 442 |
throw new RasterDriverException("Error building GdalDriver", exc); |
| 443 |
} |
| 444 |
} |
| 445 |
|
| 446 |
/*
|
| 447 |
* (non-Javadoc)
|
| 448 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getData(int, int, int)
|
| 449 |
*/
|
| 450 |
public Object getData(int x, int y, int band) |
| 451 |
throws InvalidSetViewException, FileNotOpenException, RasterDriverException {
|
| 452 |
return null; |
| 453 |
} |
| 454 |
|
| 455 |
/**
|
| 456 |
* Gets the georeferencing file name form a raster file
|
| 457 |
* @param file
|
| 458 |
* a raster file
|
| 459 |
* @return
|
| 460 |
* a georeferencing file
|
| 461 |
*/
|
| 462 |
private String getWorldFile(String file){ |
| 463 |
String worldFile = file;
|
| 464 |
int index = file.lastIndexOf("."); |
| 465 |
if (index > 0){ |
| 466 |
worldFile = file.substring(0, index) + getExtensionWorldFile();
|
| 467 |
} |
| 468 |
return worldFile;
|
| 469 |
} |
| 470 |
|
| 471 |
/**
|
| 472 |
* Obtiene la extensi?n del fichero de georreferenciaci?n
|
| 473 |
* @return String con la extensi?n del fichero de georreferenciaci?n dependiendo
|
| 474 |
* del valor del formato obtenido del servidor. Por defecto asignaremos un .wld
|
| 475 |
*/
|
| 476 |
private String getExtensionWorldFile() { |
| 477 |
WMSDataParametersImpl p = (WMSDataParametersImpl)parameters; |
| 478 |
String extWorldFile = ".wld"; |
| 479 |
if(p.getFormat().equals("image/tif") || p.getFormat().equals("image/tiff")) { |
| 480 |
extWorldFile = ".tfw";
|
| 481 |
} |
| 482 |
return extWorldFile;
|
| 483 |
} |
| 484 |
|
| 485 |
private WMSStatus loadWMSStatus(Rectangle2D bBox) { |
| 486 |
WMSDataParametersImpl p = (WMSDataParametersImpl)parameters; |
| 487 |
WMSStatus wmsStatus = new WMSStatus();
|
| 488 |
wmsStatus.setLayerNames(Utilities.createVector(p.getLayerQuery(), ",")); |
| 489 |
wmsStatus.setSrs(p.getSRSCode()); |
| 490 |
wmsStatus.setFormat(p.getFormat()); |
| 491 |
wmsStatus.setStyles(p.getStyles()); |
| 492 |
wmsStatus.setDimensions(p.getDimensions()); |
| 493 |
wmsStatus.setTransparency(p.isWmsTransparent()); |
| 494 |
wmsStatus.setOnlineResource((String) p.getOnlineResource().get("GetMap")); |
| 495 |
if(p.isSizeFixed()) {
|
| 496 |
wmsStatus.setExtent(getExtent().toRectangle2D()); |
| 497 |
} else
|
| 498 |
wmsStatus.setExtent(bBox); |
| 499 |
wmsStatus.setHeight(p.getHeight()); |
| 500 |
wmsStatus.setWidth(p.getWidth()); |
| 501 |
return wmsStatus;
|
| 502 |
} |
| 503 |
|
| 504 |
/**
|
| 505 |
* This function downloads the file and creates the georeferencing file
|
| 506 |
* @param wmsStatus
|
| 507 |
* @param ulx
|
| 508 |
* @param uly
|
| 509 |
* @param lrx
|
| 510 |
* @param lry
|
| 511 |
* @param w
|
| 512 |
* @param h
|
| 513 |
* @return
|
| 514 |
* @throws RasterDriverException
|
| 515 |
*/
|
| 516 |
private File downloadFile(WMSStatus wmsStatus, double ulx, double uly, double lrx, double lry, int w, int h) throws RasterDriverException { |
| 517 |
WMSDataParametersImpl p = (WMSDataParametersImpl)parameters; |
| 518 |
try {
|
| 519 |
lastRequest = getConnector().getMap(wmsStatus, ((WMSDataParametersImpl)parameters).getCancellable()); |
| 520 |
} catch (WMSException e) {
|
| 521 |
throw new RasterDriverException(e.getMessage(), e); |
| 522 |
} |
| 523 |
|
| 524 |
if(lastRequest == null) |
| 525 |
return null; |
| 526 |
|
| 527 |
String nameWorldFile = getWorldFile(lastRequest.getPath());
|
| 528 |
try {
|
| 529 |
if(p.isSizeFixed()) {
|
| 530 |
Extent e = getExtent(); |
| 531 |
fileUtil.createWorldFile(nameWorldFile, e, p.getWidth(), p.getHeight()); |
| 532 |
} else {
|
| 533 |
fileUtil.createWorldFile(nameWorldFile, new ExtentImpl(ulx, uly, lrx, lry), w, h);
|
| 534 |
} |
| 535 |
} catch (IOException e) { |
| 536 |
throw new RasterDriverException("Error creating world file", e); |
| 537 |
} |
| 538 |
|
| 539 |
return lastRequest;
|
| 540 |
} |
| 541 |
|
| 542 |
/**
|
| 543 |
* Assigns the list of bands RGB and read a window of data
|
| 544 |
* @param rasterBuf
|
| 545 |
* @param bandList
|
| 546 |
* @param lastFile
|
| 547 |
* @param ulx
|
| 548 |
* @param uly
|
| 549 |
* @param lrx
|
| 550 |
* @param lry
|
| 551 |
* @return
|
| 552 |
* @throws RasterDriverException
|
| 553 |
* @throws ProcessInterruptedException
|
| 554 |
*/
|
| 555 |
public Buffer getBuffer(Buffer rasterBuf, BandList bandList, File lastFile, |
| 556 |
double ulx, double uly, double lrx, double lry) throws RasterDriverException, ProcessInterruptedException { |
| 557 |
try {
|
| 558 |
//El nombre de fichero que ha puesto en el bandList es el del servidor y no el del fichero en disco
|
| 559 |
String serverName = bandList.getBand(0).getFileName(); |
| 560 |
for (int i = 0; i < bandList.getBandCount(); i++) { |
| 561 |
bandList.getBand(i).setFileName(lastFile.getPath()); |
| 562 |
} |
| 563 |
|
| 564 |
GdalProvider driver = new GdalProvider(lastFile.getPath());
|
| 565 |
Buffer buf = driver.getWindowRaster(ulx, uly, lrx, lry, bandList, rasterBuf);
|
| 566 |
|
| 567 |
for (int i = 0; i < bandList.getBandCount(); i++) { |
| 568 |
bandList.getBand(i).setFileName(serverName); |
| 569 |
} |
| 570 |
|
| 571 |
return buf;
|
| 572 |
} catch (NotSupportedExtensionException e) {
|
| 573 |
throw new RasterDriverException("Error building GdalDriver", e); |
| 574 |
} |
| 575 |
} |
| 576 |
|
| 577 |
/*
|
| 578 |
* (non-Javadoc)
|
| 579 |
* @see org.gvsig.raster.impl.provider.RasterProvider#isTiled()
|
| 580 |
*/
|
| 581 |
public boolean isTiled() { |
| 582 |
return mustTileRequest;
|
| 583 |
} |
| 584 |
|
| 585 |
/*
|
| 586 |
* (non-Javadoc)
|
| 587 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getWindowRaster(double, double, double, double, int, int, org.gvsig.fmap.dal.coverage.datastruct.BandList, org.gvsig.fmap.dal.coverage.dataset.Buffer, org.gvsig.fmap.dal.coverage.grid.render.TileListener, int)
|
| 588 |
*/
|
| 589 |
public void getWindowRaster(double minX, double minY, double maxX, double maxY, |
| 590 |
int bufWidth, int bufHeight, BandList bandList, TileListener listener) throws ProcessInterruptedException, RasterDriverException { |
| 591 |
if(mustTileRequest) {
|
| 592 |
|
| 593 |
} else {
|
| 594 |
Buffer raster = DefaultRasterManager.getInstance().createBuffer(getDataType()[0], bufWidth, bufHeight, 3, true); |
| 595 |
getWindowRaster(minX, minY, maxX, maxY, bufWidth, bufHeight, bandList, raster, true);
|
| 596 |
raster.setDataExtent(new Rectangle2D.Double(minX, minY, Math.abs(maxX - minX), Math.abs(maxY - minY))); |
| 597 |
listener.nextBuffer(raster, null, new ExtentImpl(minX, minY, maxX, maxY), getAffineTransform(), null, false); |
| 598 |
listener.endReading(); |
| 599 |
} |
| 600 |
} |
| 601 |
|
| 602 |
/*
|
| 603 |
* (non-Javadoc)
|
| 604 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getWindowRaster(double, double, double, double, org.gvsig.fmap.dal.coverage.datastruct.BandList, org.gvsig.fmap.dal.coverage.dataset.Buffer)
|
| 605 |
*/
|
| 606 |
public Buffer getWindowRaster(double ulx, double uly, double lrx, double lry, |
| 607 |
BandList bandList, Buffer rasterBuf) throws ProcessInterruptedException, RasterDriverException { |
| 608 |
Rectangle2D bBox = new Rectangle2D.Double(ulx, lry, Math.abs(lrx - ulx), Math.abs(lry - uly)); |
| 609 |
lastWidthRequest = rasterBuf.getWidth(); |
| 610 |
lastHeightRequest = rasterBuf.getHeight(); |
| 611 |
WMSStatus wmsStatus = loadWMSStatus(bBox); |
| 612 |
|
| 613 |
lastRequest = downloadFile(wmsStatus, ulx, uly, lrx, lry, rasterBuf.getWidth(), rasterBuf.getHeight()); |
| 614 |
|
| 615 |
if (lastRequest == null) { |
| 616 |
return rasterBuf;
|
| 617 |
} |
| 618 |
|
| 619 |
try {
|
| 620 |
//El nombre de fichero que ha puesto en el bandList es el del servidor y no el del fichero en disco
|
| 621 |
String serverName = bandList.getBand(0).getFileName(); |
| 622 |
for (int i = 0; i < bandList.getBandCount(); i++) { |
| 623 |
bandList.getBand(i).setFileName(lastRequest.getPath()); |
| 624 |
} |
| 625 |
|
| 626 |
GdalProvider driver = new GdalProvider(lastRequest.getPath());
|
| 627 |
Buffer buf = driver.getWindowRaster(ulx, uly, lrx, lry, bandList, rasterBuf);
|
| 628 |
|
| 629 |
for (int i = 0; i < bandList.getBandCount(); i++) { |
| 630 |
bandList.getBand(i).setFileName(serverName); |
| 631 |
} |
| 632 |
driver.close(); |
| 633 |
return buf;
|
| 634 |
} catch (NotSupportedExtensionException e) {
|
| 635 |
throw new RasterDriverException("Error building GdalDriver", e); |
| 636 |
} |
| 637 |
} |
| 638 |
|
| 639 |
/*
|
| 640 |
* (non-Javadoc)
|
| 641 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getWindowRaster(double, double, double, double, org.gvsig.fmap.dal.coverage.datastruct.BandList, org.gvsig.fmap.dal.coverage.dataset.Buffer, boolean)
|
| 642 |
*/
|
| 643 |
public Buffer getWindowRaster(double ulx, double uly, double w, double h, |
| 644 |
BandList bandList, Buffer rasterBuf, boolean adjustToExtent) throws ProcessInterruptedException, RasterDriverException { |
| 645 |
Rectangle2D bBox = new Rectangle2D.Double(ulx, uly, w, h); |
| 646 |
lastWidthRequest = rasterBuf.getWidth(); |
| 647 |
lastHeightRequest = rasterBuf.getHeight(); |
| 648 |
WMSStatus wmsStatus = loadWMSStatus(bBox); |
| 649 |
|
| 650 |
lastRequest = downloadFile(wmsStatus, ulx, uly, ulx + w, uly - h, rasterBuf.getWidth(), rasterBuf.getHeight()); |
| 651 |
|
| 652 |
if (lastRequest == null) { |
| 653 |
return rasterBuf;
|
| 654 |
} |
| 655 |
|
| 656 |
try {
|
| 657 |
//El nombre de fichero que ha puesto en el bandList es el del servidor y no el del fichero en disco
|
| 658 |
String serverName = bandList.getBand(0).getFileName(); |
| 659 |
for (int i = 0; i < bandList.getBandCount(); i++) { |
| 660 |
bandList.getBand(i).setFileName(lastRequest.getPath()); |
| 661 |
} |
| 662 |
|
| 663 |
GdalProvider driver = new GdalProvider(lastRequest.getPath());
|
| 664 |
Buffer buf = driver.getWindowRaster(ulx, uly, w, h, bandList, rasterBuf, adjustToExtent);
|
| 665 |
|
| 666 |
for (int i = 0; i < bandList.getBandCount(); i++) { |
| 667 |
bandList.getBand(i).setFileName(serverName); |
| 668 |
} |
| 669 |
|
| 670 |
return buf;
|
| 671 |
} catch (NotSupportedExtensionException e) {
|
| 672 |
throw new RasterDriverException("Error building GdalDriver", e); |
| 673 |
} |
| 674 |
} |
| 675 |
|
| 676 |
/*
|
| 677 |
* (non-Javadoc)
|
| 678 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getWindowRaster(double, double, double, double, int, int, org.gvsig.fmap.dal.coverage.datastruct.BandList, org.gvsig.fmap.dal.coverage.dataset.Buffer, boolean)
|
| 679 |
*/
|
| 680 |
public Buffer getWindowRaster(double ulx, double uly, double lrx, double lry, |
| 681 |
int bufWidth, int bufHeight, BandList bandList, Buffer rasterBuf, boolean adjustToExtent) throws ProcessInterruptedException, RasterDriverException { |
| 682 |
Rectangle2D bBox = new Rectangle2D.Double(ulx, lry, Math.abs(lrx - ulx), Math.abs(lry - uly)); |
| 683 |
lastWidthRequest = rasterBuf.getWidth(); |
| 684 |
lastHeightRequest = rasterBuf.getHeight(); |
| 685 |
WMSStatus wmsStatus = loadWMSStatus(bBox); |
| 686 |
lastRequest = downloadFile(wmsStatus, ulx, uly, lrx, lry, rasterBuf.getWidth(), rasterBuf.getHeight()); |
| 687 |
|
| 688 |
if (lastRequest == null) { |
| 689 |
return rasterBuf;
|
| 690 |
} |
| 691 |
|
| 692 |
try {
|
| 693 |
//El nombre de fichero que ha puesto en el bandList es el del servidor y no el del fichero en disco
|
| 694 |
String serverName = bandList.getBand(0).getFileName(); |
| 695 |
for (int i = 0; i < bandList.getBandCount(); i++) { |
| 696 |
bandList.getBand(i).setFileName(lastRequest.getPath()); |
| 697 |
} |
| 698 |
|
| 699 |
GdalProvider driver = new GdalProvider(lastRequest.getPath());
|
| 700 |
Buffer buf = driver.getWindowRaster(ulx, uly, lrx, lry, bufWidth, bufHeight, bandList, rasterBuf, adjustToExtent);
|
| 701 |
|
| 702 |
for (int i = 0; i < bandList.getBandCount(); i++) { |
| 703 |
bandList.getBand(i).setFileName(serverName); |
| 704 |
} |
| 705 |
|
| 706 |
return buf;
|
| 707 |
} catch (NotSupportedExtensionException e) {
|
| 708 |
throw new RasterDriverException("Error building GdalDriver", e); |
| 709 |
} |
| 710 |
} |
| 711 |
|
| 712 |
/*
|
| 713 |
* (non-Javadoc)
|
| 714 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getWindowRaster(int, int, int, int, org.gvsig.fmap.dal.coverage.datastruct.BandList, org.gvsig.fmap.dal.coverage.dataset.Buffer)
|
| 715 |
*/
|
| 716 |
public Buffer getWindowRaster(int x, int y, int w, int h, BandList bandList, Buffer rasterBuf) throws ProcessInterruptedException, RasterDriverException { |
| 717 |
Point2D p1 = rasterToWorld(new Point2D.Double(x, y)); |
| 718 |
Point2D p2 = rasterToWorld(new Point2D.Double(x + w, y + h)); |
| 719 |
lastWidthRequest = rasterBuf.getWidth(); |
| 720 |
lastHeightRequest = rasterBuf.getHeight(); |
| 721 |
Rectangle2D bBox = new Rectangle2D.Double(p1.getX(), p1.getY(), Math.abs(p1.getX() - p1.getX()), Math.abs(p1.getY() - p2.getY())); |
| 722 |
WMSStatus wmsStatus = loadWMSStatus(bBox); |
| 723 |
|
| 724 |
lastRequest = downloadFile(wmsStatus, p1.getX(), p1.getY(), p2.getX(), p2.getY(), rasterBuf.getWidth(), rasterBuf.getHeight()); |
| 725 |
|
| 726 |
if (lastRequest == null) { |
| 727 |
return rasterBuf;
|
| 728 |
} |
| 729 |
|
| 730 |
GdalProvider driver = null;
|
| 731 |
try {
|
| 732 |
//El nombre de fichero que ha puesto en el bandList es el del servidor y no el del fichero en disco
|
| 733 |
String serverName = bandList.getBand(0).getFileName(); |
| 734 |
for (int i = 0; i < bandList.getBandCount(); i++) { |
| 735 |
bandList.getBand(i).setFileName(lastRequest.getPath()); |
| 736 |
} |
| 737 |
|
| 738 |
driver = new GdalProvider(lastRequest.getPath());
|
| 739 |
Buffer buf = driver.getWindowRaster(0, 0, w, h, rasterBuf.getWidth(), rasterBuf.getHeight(), bandList, rasterBuf); |
| 740 |
|
| 741 |
for (int i = 0; i < bandList.getBandCount(); i++) { |
| 742 |
bandList.getBand(i).setFileName(serverName); |
| 743 |
} |
| 744 |
|
| 745 |
return buf;
|
| 746 |
} catch (NotSupportedExtensionException e) {
|
| 747 |
throw new RasterDriverException("Error building GdalDriver", e); |
| 748 |
} |
| 749 |
} |
| 750 |
|
| 751 |
/*
|
| 752 |
* (non-Javadoc)
|
| 753 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getWindowRaster(int, int, int, int, int, int, org.gvsig.fmap.dal.coverage.datastruct.BandList, org.gvsig.fmap.dal.coverage.dataset.Buffer)
|
| 754 |
*/
|
| 755 |
public Buffer getWindowRaster(int x, int y, int w, int h, int bufWidth, int bufHeight, BandList bandList, Buffer rasterBuf) throws ProcessInterruptedException, RasterDriverException { |
| 756 |
lastWidthRequest = rasterBuf.getWidth(); |
| 757 |
lastHeightRequest = rasterBuf.getHeight(); |
| 758 |
return null; |
| 759 |
} |
| 760 |
|
| 761 |
/*
|
| 762 |
* (non-Javadoc)
|
| 763 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getBlockSize()
|
| 764 |
*/
|
| 765 |
public int getBlockSize() { |
| 766 |
return 0; |
| 767 |
} |
| 768 |
|
| 769 |
/*
|
| 770 |
* (non-Javadoc)
|
| 771 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#setAffineTransform(java.awt.geom.AffineTransform)
|
| 772 |
*/
|
| 773 |
public void setAffineTransform(AffineTransform t){ |
| 774 |
|
| 775 |
} |
| 776 |
|
| 777 |
/*
|
| 778 |
* (non-Javadoc)
|
| 779 |
* @see org.gvsig.raster.impl.provider.RasterProvider#getOverviewCount(int)
|
| 780 |
*/
|
| 781 |
public int getOverviewCount(int band) throws BandAccessException, RasterDriverException { |
| 782 |
return 0; |
| 783 |
} |
| 784 |
|
| 785 |
/*
|
| 786 |
* (non-Javadoc)
|
| 787 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getOverviewWidth(int, int)
|
| 788 |
*/
|
| 789 |
public int getOverviewWidth(int band, int overview) throws BandAccessException, RasterDriverException { |
| 790 |
return 0; |
| 791 |
} |
| 792 |
|
| 793 |
/*
|
| 794 |
* (non-Javadoc)
|
| 795 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#getOverviewHeight(int, int)
|
| 796 |
*/
|
| 797 |
public int getOverviewHeight(int band, int overview) throws BandAccessException, RasterDriverException { |
| 798 |
return 0; |
| 799 |
} |
| 800 |
|
| 801 |
/*
|
| 802 |
* (non-Javadoc)
|
| 803 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#overviewsSupport()
|
| 804 |
*/
|
| 805 |
public boolean overviewsSupport() { |
| 806 |
return false; |
| 807 |
} |
| 808 |
|
| 809 |
/*
|
| 810 |
* (non-Javadoc)
|
| 811 |
* @see org.gvsig.raster.impl.provider.DefaultRasterProvider#isReproyectable()
|
| 812 |
*/
|
| 813 |
public boolean isReproyectable() { |
| 814 |
return false; |
| 815 |
} |
| 816 |
|
| 817 |
/*
|
| 818 |
* (non-Javadoc)
|
| 819 |
* @see org.gvsig.fmap.dal.raster.spi.CoverageStoreProvider#getName()
|
| 820 |
*/
|
| 821 |
public String getName() { |
| 822 |
return NAME;
|
| 823 |
} |
| 824 |
|
| 825 |
/**
|
| 826 |
* Convierte un punto desde coordenadas pixel a coordenadas del mundo.
|
| 827 |
* @param pt Punto a transformar
|
| 828 |
* @return punto transformado en coordenadas del mundo
|
| 829 |
*/
|
| 830 |
public Point2D rasterToWorld(Point2D pt) { |
| 831 |
Point2D p = new Point2D.Double(); |
| 832 |
getAffineTransform().transform(pt, p); |
| 833 |
return p;
|
| 834 |
} |
| 835 |
|
| 836 |
/**
|
| 837 |
* Convierte un punto desde del mundo a coordenadas pixel.
|
| 838 |
* @param pt Punto a transformar
|
| 839 |
* @return punto transformado en coordenadas pixel
|
| 840 |
*/
|
| 841 |
public Point2D worldToRaster(Point2D pt) { |
| 842 |
Point2D p = new Point2D.Double(); |
| 843 |
try {
|
| 844 |
getAffineTransform().inverseTransform(pt, p); |
| 845 |
} catch (NoninvertibleTransformException e) { |
| 846 |
return pt;
|
| 847 |
} |
| 848 |
return p;
|
| 849 |
} |
| 850 |
|
| 851 |
/*
|
| 852 |
* (non-Javadoc)
|
| 853 |
* @see org.gvsig.raster.impl.provider.RasterProvider#setStatus(org.gvsig.raster.impl.provider.RasterProvider)
|
| 854 |
*/
|
| 855 |
public void setStatus(RasterProvider provider) { |
| 856 |
if(provider instanceof WMSProvider) { |
| 857 |
} |
| 858 |
} |
| 859 |
|
| 860 |
/*
|
| 861 |
* (non-Javadoc)
|
| 862 |
* @see org.gvsig.raster.impl.provider.RemoteRasterProvider#getLastRequest()
|
| 863 |
*/
|
| 864 |
public File getLastRequest() { |
| 865 |
return lastRequest;
|
| 866 |
} |
| 867 |
|
| 868 |
/**
|
| 869 |
* ASigna el par?metro de inicializaci?n del driver.
|
| 870 |
*/
|
| 871 |
@Override
|
| 872 |
public void setParam(DataStoreParameters param) { |
| 873 |
if(param instanceof WMSDataParameters) |
| 874 |
this.name = ((WMSDataParameters)param).getHost();
|
| 875 |
this.param = param;
|
| 876 |
} |
| 877 |
|
| 878 |
/**
|
| 879 |
* @param wmsStatus
|
| 880 |
* @param i
|
| 881 |
* @param j
|
| 882 |
* @param max_value
|
| 883 |
* @return
|
| 884 |
* @throws WMSException
|
| 885 |
*/
|
| 886 |
public String getFeatureInfo(int i, int j, int max_value, ICancellable cancellable) throws WMSException { |
| 887 |
WMSStatus wmsStatus = loadWMSStatus(getExtent().toRectangle2D()); |
| 888 |
return getConnector().getFeatureInfo(wmsStatus, i, j, max_value, cancellable);
|
| 889 |
} |
| 890 |
} |