| gvSIG desktop 1

/*

 * Created on 27-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 org.cresques.io.datastruct;

import org.cresques.io.GeoRasterFile;

import org.cresques.io.data.Grid;

/**

 * Este test prueba el acceso a datos a traves de un grid

 * @author Nacho Brodin (brodin_ign@gva.es)

 *

 */

public class TestHistogram3bandByte extends Thread{

        private static boolean        FULL_HISTOGRAM = true;

        //private String                         path = "/home/imagenes/03AUG23153350-M2AS-000000122423_01_P001-BROWSE.jpg";

        //private String                         path = "/home/imagenes/wcs16bits.tif";

        private String                         path = "/home/imagenes/q101866.sid";

        private GeoRasterFile         f1 = null;

        private Grid                         grid = null;

        private        Histogram                 hist = null;

        private int[][]                 histArray = null;

        private int                                nPixels = 0;

        public TestHistogram3bandByte() {

                System.out.println("TestHistogram3bandByte running...");

                f1 = GeoRasterFile.openFile(null, path);

                grid = new Grid(f1);

                hist = new Histogram(grid);        

                boolean[] bands = {true, true, true};

                if(!FULL_HISTOGRAM){

                        hist.setAreaOfInterest(100, 100, 10, 10);

                        hist.calcHistogramFromLimetedArea(bands);

                }else 

                        //Esto es igual a calcular el histograma de un area de interes de tama?o de toda la imagen

                        hist.calcFullHistogram(bands); 

                start();

        }

        public void run(){

                System.out.print("Calculando histograma ...");

                while(hist.getPercent() < 100){

                        System.out.print(" "+hist.getPercent());

                        try {

                                sleep(10);

                        } catch (InterruptedException e) {

                                e.printStackTrace();

                        }

                }

                histArray = hist.getFullHistogram();

                System.out.println();

                System.out.println("Total pixeles:" + (grid.getHeight() * grid.getWidth()));

                System.out.println("HISTOGRAMA:");

                for(int iBand = 0; iBand < histArray.length; iBand ++)

                        for(int i = 0; i < histArray[iBand].length; i ++){

                                if(i < 1500)

                                        System.out.println("Band:"+iBand+" "+i+"="+histArray[iBand][i]);

                                if(iBand == 0 && histArray[iBand][i] != 0)

                                        nPixels += histArray[iBand][i];

                        }

                System.out.println("N?mero de pixeles por banda:"+nPixels);

        }

        public static void main(String[] args){

                TestHistogram3bandByte test = new TestHistogram3bandByte();

        }

}