| gvSIG desktop 1

/*

 * Created on 19-jul-2006

 *

 * To change the template for this generated file go to

 * Window>Preferences>Java>Code Generation>Code and Comments

 */

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.

 *

 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 */

package tmp;

import junit.framework.TestCase;

import org.gvsig.raster.dataaccess.DataSource;

import org.gvsig.raster.driver.NotSupportedExtensionException;

import org.gvsig.raster.driver.RasterDataset;

import org.gvsig.raster.driver.IBuffer;

import org.gvsig.raster.driver.RasterDriverException;

/**

 * Este test prueba la gesti?n de multifichero de la clase GeoRasterMultiFile

 * y que incorpora un Grid, as? como la gesti?n de bandas que tiene BandList

 * y que incorpora GeoRasterMultiFile.

 * <P>

 * Raster de 25x24 pixels 

 * Extent ul=(645818.258, 4923850.700) lr=(645852.842, 4923817.500)

 * Petici?n ul=(645800.0, 4923870.0) lr=(645870.0, 4923800.0)  (Mayor que la extensi?n)

 * Casos posibles:

 * </P>

 * <PRE>

 * isSupersamplingLoadingBuffer() == true

 *     Buffer 25x24; adjustToExtent = true -> readRaster(0, 0, 25, 24, 25, 24); step(0, 0, 25, 24)

 *     Buffer 25x24; adjustToExtent = false -> readRaster(0, 0, 25, 24, 12, 11); step(6, 6, 18, 17)

 *     Buffer 51x50; adjustToExtent = true -> readRaster(0, 0, 25, 24, 51, 50); step(0, 0, 51, 50)

 *     Buffer 51x50; adjustToExtent = false -> readRaster(0, 0, 25, 24, 25, 24); step(13, 13, 38, 37)

 * isSupersamplingLoadingBuffer() == false

 *     Buffer 25x24; adjustToExtent = true -> readRaster(0, 0, 25, 24, 25, 24); step(0, 0, 25, 24)

 *     Buffer 25x24; adjustToExtent = false

 *     Buffer 51x50; adjustToExtent = true

 *     Buffer 51x50; adjustToExtent = false

 * </PRE>

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

 *

 */

public class TestDataSourceWithNoDataAndResizeBuffer extends TestCase{

        private String baseDir = "./test-images/";

        private String path1 = baseDir + "miniRaster25x24.tif";

        private RasterDataset f1 = null;

        private DataSource ds = null;

        public void setUp() {

                System.out.println("TestDataSourceWithNoDataAndResizeBuffer running...");

                try {

                        f1 = RasterDataset.openFile(null, path1);

                } catch (NotSupportedExtensionException e) {

                        e.printStackTrace();

                } catch (RasterDriverException e) {

                        e.printStackTrace();

                }

        }

        public void testStack(){

                int[] drawableBands = {0, 1, 2};

                ds = new DataSource(f1);

                ds.addDrawableBands(drawableBands);

                //El par?metro false indica que no se ajuste el extent al raster sino que se rellene con NoData los huecos

                ds.setSupersamplingLoadingBuffer(false);

                ds.setAreaOfInterest(645800.0, 4923870.0, 645870.0, 4923800.0, 13, 12, true);

                IBuffer raster = ds.getRasterBuf();

                for(int line = 0; line < raster.getHeight(); line++){

                        for(int col = 0; col < raster.getWidth(); col++)

                                System.out.print("("+raster.getElemByte(line, col, 0)+" "+raster.getElemByte(line, col, 1)+" "+raster.getElemByte(line, col, 2)+")");

                        System.out.println();

                }

        }

}