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svn-gvsig-desktop / trunk / libraries / libRaster / src-test / org / gvsig / raster / buffer / TestGdalByteMultiBandHistogram.java @ 21615

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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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 *
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 * Copyright (C) 2007 IVER T.I. and Generalitat Valenciana.
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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., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.
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 */
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package org.gvsig.raster.buffer;
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import junit.framework.TestCase;
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import org.gvsig.raster.RasterLibrary;
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import org.gvsig.raster.dataset.IRasterDataSource;
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import org.gvsig.raster.dataset.NotSupportedExtensionException;
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import org.gvsig.raster.dataset.RasterDataset;
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import org.gvsig.raster.dataset.io.RasterDriverException;
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import org.gvsig.raster.datastruct.Histogram;
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import org.gvsig.raster.datastruct.HistogramException;
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/**
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 * Test a un histograma de una imagen de 3 bandas de un byte por dato leido con gdal. 
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 * El test comprueba valores a lo largo de todo el histograma
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 * 
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 * @author Nacho Brodin (nachobrodin@gmail.com)
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 */
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public class TestGdalByteMultiBandHistogram extends TestCase{
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        private boolean printCode = false;
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        private String  baseDir   = "./test-images/";
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        private String  path1     = baseDir + "band1-30x28byte.tif";
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        private String  path2     = baseDir + "band2-30x28byte.tif";
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        private String  path3     = baseDir + "band3-30x28byte.tif";
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        public void start() {
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                this.setUp();
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                this.testStack();
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        }
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        public void setUp() {
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                System.err.println("TestGdalByteMultiBandHistogram running...");
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        }
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        static {
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                RasterLibrary.wakeUp();
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        }
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        public void testStack() {
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                try {
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                        RasterDataset f1 = RasterDataset.open(null, path1);
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                        RasterDataset f2 = RasterDataset.open(null, path2);
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                        RasterDataset f3 = RasterDataset.open(null, path3);
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                        BufferFactory ds = new BufferFactory(f1);
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                        ds.addFile(f2);
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                        ds.addFile(f3);
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                        IRasterDataSource rmd = ds.getDataSource();
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                        Histogram histogram = rmd.getHistogram();
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                        histogram = Histogram.convertHistogramToRGB(histogram);
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                        if (printCode)
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                                print(histogram);
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                        int band0[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 9, 12, 23, 33, 32, 29, 17, 29, 11, 9, 9, 8, 3, 3, 3, 1, 1, 0, 1, 6, 4, 5, 3, 2, 7, 6, 10, 8, 12, 12, 4, 5, 16, 13, 11, 13, 13, 13, 21, 20, 16, 27, 14, 14, 21, 23, 20, 20, 15, 17, 12, 9, 20, 15, 7, 11, 5, 10, 6, 5, 8, 4, 10, 6, 5, 5, 4, 1, 5, 2, 3, 3, 6, 3, 3, 3, 4, 1, 1, 2, 1, 3, 0, 2, 4, 2, 1, 2, 2, 3, 3, 0, 0, 0, 0, 3, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0 };
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                        for (int i = 0; i < band0.length; i++)
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                                assertEquals((int) histogram.getHistogramValue(0, i), band0[i]);
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                        int band1[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 4, 12, 17, 30, 34, 22, 17, 11, 4, 15, 11, 16, 5, 4, 5, 3, 5, 1, 2, 1, 1, 2, 1, 1, 2, 0, 1, 3, 0, 3, 1, 0, 1, 0, 2, 0, 3, 3, 4, 2, 5, 9, 5, 9, 6, 8, 6, 5, 7, 7, 5, 6, 8, 5, 12, 9, 21, 12, 18, 7, 13, 21, 13, 22, 16, 13, 13, 15, 14, 16, 14, 13, 21, 10, 4, 12, 13, 11, 15, 9, 8, 5, 5, 7, 5, 5, 6, 7, 3, 9, 5, 1, 2, 8, 2, 1, 2, 1, 1, 4, 3, 3, 3, 2, 1, 4, 3, 2, 0, 2, 2, 3, 0, 1, 3, 2, 2, 0, 1, 0, 0, 3, 2, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
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                        for (int i = 0; i < band1.length; i++)
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                                assertEquals((int) histogram.getHistogramValue(1, i), band1[i]);
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                        int band2[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 4, 5, 6, 14, 31, 28, 32, 27, 23, 12, 10, 5, 3, 2, 5, 3, 1, 2, 1, 4, 0, 1, 1, 1, 2, 1, 1, 0, 1, 0, 1, 1, 0, 2, 0, 0, 0, 1, 1, 0, 1, 1, 1, 2, 1, 3, 1, 1, 1, 0, 0, 0, 3, 1, 0, 0, 1, 4, 2, 1, 2, 3, 3, 5, 3, 5, 1, 5, 4, 3, 3, 2, 3, 4, 5, 7, 9, 2, 3, 5, 4, 3, 6, 4, 4, 4, 6, 4, 8, 10, 9, 5, 13, 6, 7, 4, 4, 7, 8, 6, 10, 7, 6, 6, 11, 9, 8, 5, 6, 8, 14, 10, 12, 11, 7, 7, 5, 8, 7, 8, 11, 10, 7, 10, 8, 8, 3, 2, 4, 1, 5, 4, 5, 6, 8, 6, 7, 8, 4, 4, 4, 5, 3, 3, 5, 5, 1, 3, 5, 4, 3, 3, 1, 2, 1, 3, 0, 2, 2, 1, 2, 5, 3, 1, 0, 2, 0, 3, 0, 1, 1, 1, 2, 0, 2, 1, 0, 0, 0, 2, 0, 1, 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 2, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 2 };
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                        for (int i = 0; i < band2.length; i++)
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                                assertEquals((int) histogram.getHistogramValue(2, i), band2[i]);
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                } catch (HistogramException e) {
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                        e.printStackTrace();
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                } catch (NotSupportedExtensionException e) {
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                        e.printStackTrace();
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                } catch (RasterDriverException e) {
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                        e.printStackTrace();
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                } catch (InterruptedException e) {
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                        e.printStackTrace();
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                }
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        }
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        public void print(Histogram histogram) {
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                for (int i = 0; i < histogram.getNumBands(); i++) {
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                        System.out.println("");
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                        System.out.print("int band" + i + "[] = { ");
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                        for (int j = 0; j < histogram.getBandLenght(i); j++) {
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                                if (j != 0)
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                                        System.out.print(", ");
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                                System.out.print(((int) histogram.getHistogramValue(i, j)));
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                        }
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                        System.out.println("};");
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                        System.out.println("for (int i = 0; i < band" + i + ".length; i++)");
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                        System.out.println("        assertEquals((int) histogram.getHistogramValue(" + i + ", i), band" + i + "[i]);");
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                }
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        }
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}