Application: gvSIG desktop » gvSIG raster

/* gvSIG. Geographic Information System of the Valencian Government

 *

 * Copyright (C) 2007-2008 Infrastructures and Transports Department

 * of the Valencian Government (CIT)

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 */

package org.gvsig.fmap.dal.coverage.dataset;

import java.io.File;

import org.gvsig.fmap.dal.DALLocator;

import org.gvsig.fmap.dal.DataManager;

import org.gvsig.fmap.dal.coverage.BaseTestCase;

import org.gvsig.fmap.dal.coverage.exception.FileNotOpenException;

import org.gvsig.fmap.dal.coverage.exception.OperationNotSupportedException;

import org.gvsig.fmap.dal.coverage.exception.ProcessInterruptedException;

import org.gvsig.fmap.dal.coverage.exception.RasterDriverException;

import org.gvsig.fmap.dal.coverage.store.RasterDataStore;

import org.gvsig.fmap.dal.coverage.store.props.Statistics;

import org.gvsig.fmap.dal.exception.InitializeException;

import org.gvsig.fmap.dal.exception.ProviderNotRegisteredException;

import org.gvsig.fmap.dal.serverexplorer.filesystem.FilesystemStoreParameters;

import org.gvsig.fmap.dal.spi.DataStoreProviderServices;

import org.gvsig.raster.gdal.io.GdalProvider;

import org.gvsig.raster.impl.provider.DefaultRasterProvider;

import org.gvsig.raster.impl.store.DefaultMultiRasterStore;

/**

 * Prueba el calculo de estadisticas para un dataset con multiples ficheros.

 * Comprueba que los valores obtenidos en las estadisticas son correctos.

 *

 * @author Nacho Brodin (nachobrodin@gmail.com)

 */

public class TestStatisticMultiFile extends BaseTestCase {

        private String path1 = baseDir + "band1-30x28byte.tif";

        private String path2 = baseDir + "band2-30x28byte.tif";

        private String path3 = baseDir + "band3-30x28byte.tif";

        private DefaultRasterProvider      f1       = null;        

        private DefaultRasterProvider      f2       = null;

        private DefaultRasterProvider      f3       = null;

        protected Buffer           raster   = null;

        public void start() throws Exception {

                this.setUp();

                this.testStack();

        }

        protected void doSetUp() throws Exception {

                System.err.println("TestStatisticMultiFile running...");

                try {

                        super.doSetUp();

                } catch (Exception e) {

                        e.printStackTrace();

                }

        }

        public void testStack() {

                DefaultMultiRasterStore grmf = new DefaultMultiRasterStore();

                try {

                        deleteRMF(path1);

                        deleteRMF(path2);

                        deleteRMF(path3);

                        DataManager dm = DALLocator.getDataManager();

                        FilesystemStoreParameters p = (FilesystemStoreParameters)dm.createStoreParameters(GdalProvider.NAME);

                        p.setFile(new File(path1));

                        f1 = (DefaultRasterProvider)loadProvider(p, (DataStoreProviderServices)grmf);

                        FilesystemStoreParameters p1 = (FilesystemStoreParameters)dm.createStoreParameters(GdalProvider.NAME);

                        p.setFile(new File(path2));

                        f2 = (DefaultRasterProvider)loadProvider(p1, (DataStoreProviderServices)grmf);

                        FilesystemStoreParameters p2 = (FilesystemStoreParameters)dm.createStoreParameters(GdalProvider.NAME);

                        p.setFile(new File(path3));

                        f3 = (DefaultRasterProvider)loadProvider(p2, (DataStoreProviderServices)grmf);

                } catch (ProviderNotRegisteredException e) {

                        e.printStackTrace();

                } catch (InitializeException e) {

                        e.printStackTrace();

                }

                try {

                        grmf.addDataStore(f1);

                        grmf.addDataStore(f2);

                        grmf.addDataStore(f3);

                } catch (OperationNotSupportedException e1) {

                        // TODO Auto-generated catch block

                        e1.printStackTrace();

                }

                try {

                        grmf.getStatistics().calculate();

                } catch (FileNotOpenException e) {

                        e.printStackTrace();

                } catch (RasterDriverException e) {

                        e.printStackTrace();

                } catch (ProcessInterruptedException e) {

                        e.printStackTrace();

                }

                //                        print(grmf);

                dataTestB1(grmf.getStatistics());

                dataTestB2(grmf.getStatistics());

                dataTestB3(grmf.getStatistics());

        }

        private void dataTestB1(Statistics stats){

                assertEquals(new Double(stats.getMaxByteUnsigned()[0]), new Double(249.0));

                assertEquals(new Double(stats.getMinByteUnsigned()[0]), new Double(82.0));

                assertEquals(new Double(stats.getSecondMaxByteUnsigned()[0]), new Double(211.0));

                assertEquals(new Double(stats.getSecondMinByteUnsigned()[0]), new Double(83.0));

                assertEquals((int)stats.getMean()[0], 119);

                assertEquals((int)stats.getVariance()[0], 584);

        }

        private void dataTestB2(Statistics stats){

                assertEquals(new Double(stats.getMaxByteUnsigned()[1]), new Double(234.0));

                assertEquals(new Double(stats.getMinByteUnsigned()[1]), new Double(49.0));

                assertEquals(new Double(stats.getSecondMaxByteUnsigned()[1]), new Double(216.0));

                assertEquals(new Double(stats.getSecondMinByteUnsigned()[1]), new Double(50.0));

                assertEquals((int)stats.getMean()[1], 102);

                assertEquals((int)stats.getVariance()[1], 1107);

        }

        private void dataTestB3(Statistics stats){

                assertEquals(new Double(stats.getMaxByteUnsigned()[2]), new Double(255.0));

                assertEquals(new Double(stats.getMinByteUnsigned()[2]), new Double(28.0));

                assertEquals(new Double(stats.getSecondMaxByteUnsigned()[2]), new Double(250.0));

                assertEquals(new Double(stats.getSecondMinByteUnsigned()[2]), new Double(34.0));

                assertEquals((int)stats.getMean()[2], 115);

                assertEquals((int)stats.getVariance()[2], 2833);

        }

        public void print(RasterDataStore grmf) {

                for (int iBand = 0; iBand < grmf.getStatistics().getBandCount(); iBand++) {

                        System.out.println("Band " + iBand);

                        System.out.println("...Max: " + grmf.getStatistics().getMax()[iBand]);

                        System.out.println("...Min: " + grmf.getStatistics().getMin()[iBand]);

                        System.out.println("...SecondMax: " + grmf.getStatistics().getSecondMax()[iBand]);

                        System.out.println("...SecondMin: " + grmf.getStatistics().getSecondMin()[iBand]);

                        System.out.println("...Mean: " + grmf.getStatistics().getMean()[iBand]);

                        System.out.println("...Variance: " + grmf.getStatistics().getVariance()[iBand]);

                }

        }

}