gvsig-raster / org.gvsig.raster.reproject / trunk / org.gvsig.raster.reproject / org.gvsig.raster.reproject.app.reprojectclient / src / main / java / org / gvsig / raster / reproject / app / PrepareLayerAskProjection.java @ 2129
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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.raster.reproject.app; |
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import java.io.File; |
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import java.util.HashMap; |
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import java.util.Map; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.app.prepareAction.PrepareContext; |
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import org.gvsig.app.prepareAction.PrepareContextView; |
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import org.gvsig.app.prepareAction.PrepareDataStoreParameters; |
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import org.gvsig.app.prepareAction.PrepareLayer; |
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import org.gvsig.fmap.crs.CRSFactory; |
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import org.gvsig.fmap.dal.DALLocator; |
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import org.gvsig.fmap.dal.DataManager; |
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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.exception.RasterDriverException; |
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import org.gvsig.fmap.dal.coverage.store.RasterDataStore; |
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import org.gvsig.fmap.dal.coverage.store.parameter.RasterDataParameters; |
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import org.gvsig.fmap.dal.coverage.util.CRSUtils; |
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import org.gvsig.fmap.mapcontext.MapContextLocator; |
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import org.gvsig.fmap.mapcontext.MapContextManager; |
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import org.gvsig.fmap.mapcontext.exceptions.LoadLayerException; |
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import org.gvsig.fmap.mapcontext.layers.FLayer; |
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import org.gvsig.raster.algorithm.RasterBaseAlgorithmLibrary; |
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import org.gvsig.raster.algorithm.process.DataProcess; |
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import org.gvsig.raster.algorithm.process.IProcessActions; |
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import org.gvsig.raster.algorithm.process.ProcessException; |
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import org.gvsig.raster.fmap.layers.DefaultFLyrRaster; |
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import org.gvsig.raster.fmap.layers.FLyrRaster; |
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import org.gvsig.raster.mainplugin.config.Configuration; |
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import org.gvsig.raster.reproject.algorithm.ReprojectProcess; |
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import org.gvsig.raster.reproject.app.preparelayer.RasterProjectionActionsDialog; |
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import org.gvsig.raster.reproject.app.preparelayer.ReprojectionQueue; |
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import org.gvsig.raster.swing.RasterSwingLibrary; |
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import org.gvsig.tools.exception.BaseException; |
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public class PrepareLayerAskProjection implements PrepareDataStoreParameters, PrepareLayer, IProcessActions { |
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protected CRSUtils crsUtil = RasterLocator.getManager().getCRSUtils();
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private boolean changeReprojectionOption = true; |
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private int lastReprojectionOption = RasterDataParameters.NEW_PROJETION_TO_THE_LAYER; |
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private ReprojectionQueue queue = ReprojectionQueue.getSingleton();
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@SuppressWarnings("deprecation") |
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public DataStoreParameters prepare(DataStoreParameters storeParameters,
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PrepareContext context) throws BaseException {
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if(!(storeParameters instanceof RasterDataParameters)) |
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return storeParameters;
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DataManager dataManager = DALLocator.getDataManager(); |
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RasterDataStore dataStore = (RasterDataStore)dataManager.createStore(storeParameters); |
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if (Configuration.getValue("general_ask_projection", Boolean.valueOf(false)).booleanValue()) { |
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IProjection proj = readProjection(dataStore); |
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if(proj != null) { |
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((RasterDataParameters)storeParameters).setDynValue("CRS", proj);
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compareProjections(proj, context.getViewProjection(), dataStore); |
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} |
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} |
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if(dataStore != null) |
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dataStore.close(); |
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if(((RasterDataParameters)storeParameters).getReprojectionOption() == RasterDataParameters.NEW_PROJETION_TO_THE_LAYER)
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((RasterDataParameters)storeParameters).setDynValue("CRS", null); |
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if(((RasterDataParameters)storeParameters).getReprojectionOption() == RasterDataParameters.NOT_LOAD)
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return null; |
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return storeParameters;
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} |
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public void post(DataStoreParameters storeParameters, PrepareContext context) { |
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changeReprojectionOption = true;
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} |
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public void pre(DataStoreParameters storeParameters, PrepareContext context) { |
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} |
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/**
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* If this flag is true the reprojection options can be changed by the user
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* @return
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*/
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public boolean getChangeOption() { |
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return changeReprojectionOption;
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} |
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/**
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* If this flag is true the reprojection options can be changed by the user
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* @param changeOption
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*/
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public void setChangeOption(boolean changeOption) { |
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this.changeReprojectionOption = changeOption;
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} |
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public FLayer prepare(FLayer layer, PrepareContextView context) {
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if (!(layer instanceof DefaultFLyrRaster)) |
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return layer;
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DefaultFLyrRaster lyrRaster = (DefaultFLyrRaster) layer; |
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String layerName = lyrRaster.getName();
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RasterDataParameters params = (RasterDataParameters)lyrRaster.getDataStore().getParameters(); |
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int repOption = params.getReprojectionOption();
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if(repOption == RasterDataParameters.REPROJECT_DATA) {
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RasterDataParameters rasterParams = reproject(lyrRaster, context.getViewProjection()); |
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if(rasterParams != null) { |
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MapContextManager mcm = MapContextLocator.getMapContextManager(); |
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try {
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return (DefaultFLyrRaster) mcm.createLayer(layerName, rasterParams);
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} catch (LoadLayerException e) {
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return lyrRaster;
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} |
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/*DefaultFLyrRaster lyr = new DefaultFLyrRaster();
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DataManager dataManager = DALLocator.getDataManager();
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try {
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DataStore dataStore = dataManager.createStore(rasterParams);
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lyr.setName(layerName);
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lyr.setDataStore(dataStore);
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return lyr;
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} catch (ValidateDataParametersException e) {
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return lyrRaster;
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} catch (InitializeException e) {
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return lyrRaster;
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} catch (ProviderNotRegisteredException e) {
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return lyrRaster;
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} catch (LoadLayerException e) {
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return lyrRaster;
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}*/
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} |
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} else if(repOption == RasterDataParameters.REPROJECT_VIEW) { |
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try {
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if (lyrRaster != null && lyrRaster.readProjection() != null) { |
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context.getMapControl().setProjection(lyrRaster.readProjection()); |
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lyrRaster.setVisible(true);
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} |
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} catch (RasterDriverException e) {
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RasterSwingLibrary.messageBoxError("Error reading the projection", null, e); |
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} |
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} else if(repOption == RasterDataParameters.DONT_CHANGE_PROJECTION) { |
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lyrRaster.setVisible(true);
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return lyrRaster;
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} else if(repOption == RasterDataParameters.NEW_PROJETION_TO_THE_LAYER) { |
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IProjection proj = context.getViewProjection(); |
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if(proj != null) |
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lyrRaster.setProjection(proj, false);
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lyrRaster.setVisible(true);
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return lyrRaster;
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} |
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return lyrRaster;
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} |
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private RasterDataParameters reproject(FLyrRaster lyrRaster, IProjection dstProj) {
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RasterDataParameters params = (RasterDataParameters)lyrRaster.getDataStore().getParameters(); |
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int repOption = params.getReprojectionOption();
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if(repOption == RasterDataParameters.REPROJECT_DATA) {
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try {
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IProjection srcProj = readProjection(lyrRaster.getDataStore()); |
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if(srcProj == null) |
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return null; |
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String uri = params.getURI();
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uri = uri.substring(0, uri.lastIndexOf(".")) + "_" + dstProj.getAbrev() + uri.substring(uri.lastIndexOf(".")); |
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uri = uri.replace(':', '_'); |
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if(!new File(uri).exists()) { |
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DataProcess process = null;
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try {
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process = RasterBaseAlgorithmLibrary.getManager().createRasterTask("RasterReprojectionProcess");
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} catch (ProcessException e1) {
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RasterSwingLibrary.messageBoxError("error_creating_algorithm", null, e1); |
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return params;
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} |
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process.setActions(this);
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process.addParam(ReprojectProcess.RASTER_STORE, lyrRaster.getDataStore()); |
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process.addParam(ReprojectProcess.SIZEX, 0); //Calculo autom?tico de tama?o |
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process.addParam(ReprojectProcess.SIZEY, 0);
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process.addParam(ReprojectProcess.PATH, uri); |
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process.addParam(ReprojectProcess.SRC_PROJECTION, srcProj); |
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process.addParam(ReprojectProcess.DST_PROJECTION, dstProj); |
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process.addParam(ReprojectProcess.CELLSIZE, lyrRaster.getDataStore().getCellSize()); |
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//Despierta la cola que reproyecta im?genes
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synchronized (queue) {
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queue.add(process, this);
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queue.notify(); |
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} |
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//Se suspende hasta que la cola haya terminado
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try {
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synchronized (this) { |
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this.wait();
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} |
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} catch (InterruptedException e) { |
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} |
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if(process.getResult() != null) { |
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HashMap<String, Object> map = (HashMap<String, Object>)process.getResult(); |
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String filename = (String)map.get(ReprojectProcess.FILENAME); |
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params.setURI(filename); |
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return params;
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} |
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} else {
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params.setURI(uri); |
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return params;
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} |
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} catch (RasterDriverException e) {
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RasterSwingLibrary.messageBoxError("Error creating layer", null, e); |
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} |
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} else if(repOption == RasterDataParameters.REPROJECT_VIEW) { |
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//Esto se cambia en el prepare que tiene acceso al mapcontrol. Este prepare es a nivel de datos
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} |
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return null; |
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} |
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public void end(Object param) { |
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} |
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/**
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* Compares two projections and show a dialog to the user to make a decision
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* @param lyrProj
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* @param viewProj
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*/
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private void compareProjections(IProjection lyrProj, IProjection viewProj, RasterDataStore dataStore) { |
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if(!getChangeOption() || lyrProj == null || viewProj == null) { |
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((RasterDataParameters)dataStore.getParameters()).setReprojectionOption(lastReprojectionOption); |
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return;
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} |
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/*
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* Si las proyecciones de vista y raster son distintas se lanza el
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* dialogo de selecci?n de opciones. Este dialogo solo se lanza en caso
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* de que el checkbox de aplicar a todos los ficheros no haya sido
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* marcado. En este caso para el resto de ficheros de esa selecci?n se
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* har? la misma acci?n que se hizo para el primero.
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*/
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if (!viewProj.getAbrev().endsWith(lyrProj.getAbrev())) {
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String layerName = dataStore.getName().substring(dataStore.getName().lastIndexOf(File.separator) + 1, dataStore.getName().length()); |
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RasterProjectionActionsDialog dialog = new RasterProjectionActionsDialog(
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dataStore.isReproyectable(), layerName, RasterDataParameters.REPROJECT_VIEW); |
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if (dialog != null) { |
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lastReprojectionOption = dialog.getRasterProjectionActionsPanel().getSelection(); |
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((RasterDataParameters)dataStore.getParameters()).setReprojectionOption(lastReprojectionOption); |
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setChangeOption(!dialog.getChangeProjectionOption()); |
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} |
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} |
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} |
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/**
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* Reads the projection from a DataStore
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* @param dataStore
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* @return
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* @throws RasterDriverException
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*/
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@SuppressWarnings("deprecation") |
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private IProjection readProjection(RasterDataStore dataStore) throws RasterDriverException { |
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try {
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crsUtil.setCRSFactory(CRSFactory.cp); |
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if( dataStore == null ) |
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return null; |
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return crsUtil.convertWktToIProjection(dataStore.getWktProjection());
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} catch (Exception e) { |
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throw new RasterDriverException("Problems converting from WKT to IProjection", e); |
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} catch (Error e) { |
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e.printStackTrace(); |
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return null; |
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} |
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} |
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public String getDescription() { |
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return "Prepare projection for Raster Layer"; |
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} |
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public String getName() { |
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return "PrepareRasterLayerProjection"; |
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} |
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public Object create() { |
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return this; |
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} |
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public Object create(Object[] args) { |
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return this; |
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} |
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@SuppressWarnings("rawtypes") |
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public Object create(Map args) { |
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return this; |
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} |
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public void interrupted() { |
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} |
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public void updateProgress(int current, int total) { |
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} |
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} |