root / trunk / libraries / libRaster / src-test / org / gvsig / raster / buffer / TestBufferInterpolation.java @ 27361
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/*
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* Created on 9-ago-2006
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*
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* To change the template for this generated file go to
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* Window>Preferences>Java>Code Generation>Code and Comments
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*/
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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) 2004 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 java.awt.geom.AffineTransform; |
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import java.io.File; |
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import java.io.IOException; |
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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.GeoRasterWriter; |
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import org.gvsig.raster.dataset.IBuffer; |
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import org.gvsig.raster.dataset.IDataWriter; |
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import org.gvsig.raster.dataset.InvalidSetViewException; |
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import org.gvsig.raster.dataset.NotSupportedExtensionException; |
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import org.gvsig.raster.dataset.Params; |
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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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/**
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* Test para probar las interpolaciones de un buffer de datos completo. El test crear? un
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* buffer a partir de una imagen de 870x870 y aplicar? una reducci?n usando los m?todos
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* de interpolaci?n implementados. Despu?s comparar? el resultado con imagenes ya generadas
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* y correctas que se encuentran en el directorio de test-images.
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* @author Nacho Brodin (nachobrodin@gmail.com)
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*
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*/
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public class TestBufferInterpolation extends TestCase { |
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private String baseDir = "./test-images/"; |
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private String path = baseDir + "03AUG23153350-M2AS-000000122423_01_P001-BROWSE.jpg"; |
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private RasterDataset f = null; |
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private BufferFactory ds = null; |
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private int size = 50; |
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private String fileNeighbour1 = baseDir + "neighbour50x50.tif"; |
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private String fileBilinear1 = baseDir + "bilinear50x50.tif"; |
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private String fileInverseDistance1 = baseDir + "inverseDistance50x50.tif"; |
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private String fileBSpline1 = baseDir + "bspline50x50.tif"; |
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//private String fileBicubicSpline1 = baseDir + "bicubicspline50x50.tif";
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private String fileNeighbour = "/tmp/neighbour.tif"; |
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private String fileBilinear = "/tmp/bilinear.tif"; |
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private String fileInverseDistance = "/tmp/invdistance.tif"; |
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private String fileBSpline = "/tmp/bspline.tif"; |
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private String fileBicubicSpline = "/tmp/bicubicspline.tif"; |
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static {
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RasterLibrary.wakeUp(); |
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} |
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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("TestBufferInterpolation running..."); |
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int[] drawableBands = {0, 1, 2}; |
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try {
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f = RasterDataset.open(null, path);
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} catch (NotSupportedExtensionException e) {
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e.printStackTrace(); |
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return;
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} catch (RasterDriverException e) {
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e.printStackTrace(); |
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return;
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} |
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ds = new BufferFactory(f);
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ds.setDrawableBands(drawableBands); |
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try {
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ds.setAreaOfInterest(0, 0, f.getWidth(), f.getHeight()); |
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} catch (InvalidSetViewException e1) {
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e1.printStackTrace(); |
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} catch (InterruptedException e) { |
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e.printStackTrace(); |
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} catch (RasterDriverException e) {
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e.printStackTrace(); |
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} |
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RasterBuffer buf = (RasterBuffer)ds.getRasterBuf(); |
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try {
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IBuffer b1 = buf.getAdjustedWindow(size, size, BufferInterpolation.INTERPOLATION_NearestNeighbour); |
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convertBufferToTif(fileNeighbour, f.getAffineTransform(), b1); |
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b1 = buf.getAdjustedWindow(size, size, BufferInterpolation.INTERPOLATION_Bilinear); |
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convertBufferToTif(fileBilinear, f.getAffineTransform(), b1); |
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b1 = buf.getAdjustedWindow(size, size, BufferInterpolation.INTERPOLATION_InverseDistance); |
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convertBufferToTif(fileInverseDistance, f.getAffineTransform(), b1); |
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b1 = buf.getAdjustedWindow(size, size, BufferInterpolation.INTERPOLATION_BSpline); |
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convertBufferToTif(fileBSpline, f.getAffineTransform(), b1); |
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b1 = buf.getAdjustedWindow(size, size, BufferInterpolation.INTERPOLATION_BicubicSpline); |
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convertBufferToTif(fileBicubicSpline, f.getAffineTransform(), b1); |
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} catch (IOException e) { |
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e.printStackTrace(); |
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} catch (InterruptedException e) { |
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e.printStackTrace(); |
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} catch (RasterDriverException e) {
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e.printStackTrace(); |
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} |
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} |
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public void testStack(){ |
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try {
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compareResult(fileNeighbour, fileNeighbour1); |
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compareResult(fileBilinear, fileBilinear1); |
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compareResult(fileInverseDistance, fileInverseDistance1); |
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compareResult(fileBSpline, fileBSpline1); |
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} catch (InterruptedException e) { |
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} |
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//compareResult(fileBicubicSpline, fileBicubicSpline1);
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File file1 = new File(fileNeighbour); |
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File file2 = new File(fileBilinear); |
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File file3 = new File(fileInverseDistance); |
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File file4 = new File(fileBSpline); |
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//File file5 = new File(fileBicubicSpline);
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if(file1.exists())
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file1.delete(); |
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if(file2.exists())
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file2.delete(); |
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if(file3.exists())
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file3.delete(); |
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if(file4.exists())
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file4.delete(); |
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//if(file5.exists())
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// file5.delete();
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} |
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/**
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* Compara dos ficheros raster
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* @param f1
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* @param f2
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* @throws InterruptedException
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*/
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private void compareResult(String f1, String f2) throws InterruptedException { |
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int[] drawableBands = {0, 1, 2}; |
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RasterDataset d1 = null;
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RasterDataset d2 = null;
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try {
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d1 = RasterDataset.open(null, f1);
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d2 = RasterDataset.open(null, f2);
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} catch (NotSupportedExtensionException e) {
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e.printStackTrace(); |
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return;
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} catch (RasterDriverException e) {
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e.printStackTrace(); |
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return;
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} |
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BufferFactory ds = new BufferFactory(d1);
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ds.setDrawableBands(drawableBands); |
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try {
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ds.setAreaOfInterest(0, 0, d1.getWidth(), d1.getHeight()); |
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} catch (InvalidSetViewException e) {
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e.printStackTrace(); |
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} catch (InterruptedException e) { |
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e.printStackTrace(); |
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} catch (RasterDriverException e) {
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e.printStackTrace(); |
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} |
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IBuffer b1 = ds.getRasterBuf(); |
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ds = new BufferFactory(d2);
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ds.setDrawableBands(drawableBands); |
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try {
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ds.setAreaOfInterest(0, 0, d1.getWidth(), d1.getHeight()); |
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} catch (InvalidSetViewException e) {
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e.printStackTrace(); |
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} catch (InterruptedException e) { |
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e.printStackTrace(); |
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} catch (RasterDriverException e) {
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e.printStackTrace(); |
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} |
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IBuffer b2 = ds.getRasterBuf(); |
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for (int k = 0; k < b1.getBandCount(); k++) { |
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for (int i = 0; i < b1.getHeight(); i++) { |
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for (int j = 0; j < b1.getWidth(); j++) { |
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switch(b1.getDataType()) {
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case IBuffer.TYPE_BYTE:
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assertEquals(b1.getElemByte(i, j, k), b2.getElemByte(i, j, k)); |
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break;
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case IBuffer.TYPE_SHORT:
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assertEquals(b1.getElemShort(i, j, k), b2.getElemShort(i, j, k)); |
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break;
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case IBuffer.TYPE_INT:
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assertEquals(b1.getElemInt(i, j, k), b2.getElemInt(i, j, k)); |
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break;
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case IBuffer.TYPE_FLOAT:
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assertEquals((int)b1.getElemFloat(i, j, k), (int)b2.getElemFloat(i, j, k)); |
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break;
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case IBuffer.TYPE_DOUBLE:
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assertEquals((int)b1.getElemDouble(i, j, k), (int)b2.getElemDouble(i, j, k)); |
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break;
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} |
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} |
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} |
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} |
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} |
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/**
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* Funci?n para pruebas.
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* Convierte los ficheros generados por la funci?n cachear en ficheros tif para comprobar que est?n
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* bien generados.
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* @param grf
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* @param pageBuffer
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* @param pageLines
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* @throws IOException
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*/
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private void convertBufferToTif(String fileName, AffineTransform at, IBuffer buffer)throws IOException, InterruptedException, RasterDriverException { |
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IDataWriter dataWriter1 = new WriterBufferServer(buffer);
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GeoRasterWriter grw = null;
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try {
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Params params = GeoRasterWriter.getWriter(fileName).getParams(); |
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params.changeParamValue("blocksize", "7"); //posici?n 7 del array -> 512 |
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params.changeParamValue("tfw", "false"); |
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params.changeParamValue("interleave", new Integer(1));//posici?n 1 del array -> PIXEL |
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grw = GeoRasterWriter.getWriter(dataWriter1, |
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fileName, |
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buffer.getBandCount(), |
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at, |
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buffer.getWidth(), |
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buffer.getHeight(), |
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buffer.getDataType(), |
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params, |
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null);
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} catch (NotSupportedExtensionException e) {
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throw new RasterDriverException(""); |
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} |
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grw.dataWrite(); |
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grw.writeClose(); |
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} |
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} |