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.grid.filter;

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

import org.gvsig.fmap.dal.coverage.dataset.Buffer;

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

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

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

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

import org.gvsig.fmap.dal.coverage.grid.RasterFilterList;

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

import org.gvsig.raster.impl.DefaultRasterManager;

import org.gvsig.raster.impl.grid.filter.DefaultRasterFilterList;

import org.gvsig.raster.impl.grid.filter.RasterFilterListManagerImpl;

import org.gvsig.raster.impl.grid.filter.enhancement.BrightnessContrastListManager;

import org.gvsig.raster.impl.grid.filter.enhancement.EnhancementStretchListManager;

import org.gvsig.raster.impl.grid.filter.enhancement.LinearStretchEnhancementFilter;

import org.gvsig.raster.impl.grid.filter.enhancement.DefaultLinearStretchParams;

/**

 * Dada una pila de filtros con filtros de tipos heterogeneos. Elimina uno del 

 * medio y ejecuta controlTypes de RasterFilterListManager. Despu?s comprueba 

 * que los tipo siguen siendo correctos.

 * 

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

 *

 */

public class TestControlTypes extends BaseTestCase {

        private RasterFilterList                list = new DefaultRasterFilterList();

        private String path1 = baseDir + "miniRaster28x25F32.tif";

        private RasterDataStore f1 = null;

        protected void doSetUp() throws Exception {

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

                try {

                        super.doSetUp();

                } catch (Exception e) {

                        e.printStackTrace();

                }

                try {

                        f1 = manager.open(path1);

                } catch (NotSupportedExtensionException e) {

                        e.printStackTrace();

                } catch (RasterDriverException e) {

                        e.printStackTrace();

                }

        }

        public void start() throws Exception {

                this.setUp();

                this.testStack();

        }

        public void testStack() {

                Buffer buf = DefaultRasterManager.getInstance().createBuffer(Buffer.TYPE_DOUBLE, 10, 10, 3, true);

                list.setInitRasterBuf(buf);

                RasterFilterListManagerImpl fmanager = new RasterFilterListManagerImpl(list);

                EnhancementStretchListManager m0 = (EnhancementStretchListManager) fmanager.getManagerByClass(EnhancementStretchListManager.class);

                BrightnessContrastListManager m1 = (BrightnessContrastListManager)fmanager.getManagerByClass(BrightnessContrastListManager.class);

                try {

                        // Metemos Short, Short, Byte, Byte

                        list.clear();

                        buf = DefaultRasterManager.getInstance().createBuffer(Buffer.TYPE_SHORT, 10, 10, 3, true);

                        list.setInitRasterBuf(buf);

                        m1.addContrastFilter(12);

                        m1.addBrightnessFilter(10);

                        try {

                                m0.addEnhancedStretchFilter(DefaultLinearStretchParams.createStandardParam(new int[] { 0, 1, 2 }, 0.0, f1.getStatistics(), true), f1.getStatistics(), new int[] { 0, 1, 2 }, false);

                        } catch (FileNotOpenException e) {

                                e.printStackTrace();

                        } catch (RasterDriverException e) {

                                e.printStackTrace();

                        }

                        m1.addBrightnessFilter(10);

                        // Eliminamos el filtro de realce

                        list.remove(LinearStretchEnhancementFilter.names[0]);

                        fmanager.controlTypes();

                        // Ahora los tres que quedan deben ser byte

                        for (int i = 0; i < list.lenght(); i++)

                                assertEquals(list.getOutDataType(), Buffer.TYPE_BYTE);

                } catch (FilterTypeException exc) {

                }

        }

}