Revision 13359
| trunk/libraries/libRaster/src-test/org/gvsig/raster/buffer/TestAdjustToExtent.java | ||
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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.IBuffer; |
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import org.gvsig.raster.dataset.InvalidSetViewException; |
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import org.gvsig.raster.dataset.MultiRasterDataset; |
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import org.gvsig.raster.dataset.NotSupportedExtensionException; |
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import org.gvsig.raster.dataset.RasterDriverException; |
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/** |
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* Prueba del acceso a datos usando el flag setAdjustToExtent a true. Esto consigue que |
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* no se ajuste la petici?n a los margenes del raster sino que se dibuje dentro y el resto |
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* se rellene con valores NoData. |
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* |
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* @author Nacho Brodin (nachobrodin@gmail.com) |
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* |
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*/ |
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public class TestAdjustToExtent extends TestCase{
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private String baseDir = "./test-images/"; |
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private String path = baseDir + "miniRaster25x24.tif"; |
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private MultiRasterDataset f = null; |
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private BufferFactory ds = null; |
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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("TestAdjustToExtent 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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int[] drawableBands = {0, 1, 2};
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try {
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f = MultiRasterDataset.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.setAdjustToExtent(false); |
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ds.setAreaOfInterest(645800.0, 4923870.0, 645830.0, 4923820, 10, 10); //Inferior derecha |
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//ds.setAreaOfInterest(645830.0, 4923870.0, 645880.0, 4923820, 10, 10); //Inferior izquierda |
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} catch (InvalidSetViewException e) {
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e.printStackTrace(); |
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} |
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//print(); |
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dataTest1(); |
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} |
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private void dataTest1(){
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IBuffer raster = ds.getRasterBuf(); |
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//Upper Left |
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assertEquals((int)(raster.getElemByte(4, 7, 0) & 0xff), 97); |
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assertEquals((int)(raster.getElemByte(4, 7, 1) & 0xff), 101); |
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assertEquals((int)(raster.getElemByte(4, 7, 2) & 0xff), 68); |
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} |
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/** |
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* Imprime todos los pixels de la fuente de datos en RGB |
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*/ |
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/*private void print(){
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IBuffer raster = ds.getRasterBuf(); |
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for(int line = 0; line < raster.getHeight(); line++){
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for(int col = 0; col < raster.getWidth(); col++) |
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System.out.print("(" + (int)(raster.getElemByte(line, col, 0) & 0xff) + " " + (int)(raster.getElemByte(line, col, 1) & 0xff) + " " + (int)(raster.getElemByte(line, col, 2) & 0xff) + ")");
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System.out.println(); |
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} |
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}*/ |
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} |
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| trunk/libraries/libRaster/src/org/gvsig/raster/buffer/BufferFactory.java | ||
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Extent adjustedDataExtent = RasterUtilities.calculateAdjustedView(dataExtent, mDataset.getAffineTransform(), new Dimension((int)mDataset.getWidth()[0], (int)mDataset.getHeight()[0])); |
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//Caso 3D: La petici?n no se ajusta al ?rea y se rellena el exterior con NoData |
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if(!adjustToExtent && RasterUtilities.isOutside(dataExtent, mDataset.getExtent()))
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if(!adjustToExtent && !RasterUtilities.isInside(dataExtent, mDataset.getExtent()))
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return requestFillingWithNoData(dataExtent, adjustedDataExtent, bufWidth, bufHeight); |
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//Esta secci?n es para que no supersamplee el driver y pueda hacerse en el cliente |
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rasterBuf = mDataset.getWindowRaster(wcXInit, wcYEnd, wcXEnd, wcYInit, copyX, copyY, true); |
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IBuffer buf = RasterBuffer.getBuffer(mDataset.getDataType()[0], bufWidth, bufHeight, rasterBuf.getBandCount(), true); |
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buf.setNoDataValue(noDataValue); |
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for(int i = 0; i < buf.getBandCount(); i++) {
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switch(buf.getDataType()) {
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case IBuffer.TYPE_BYTE:buf.assign(i, rasterBuf.getByteNoDataValue());break; |
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case IBuffer.TYPE_SHORT:buf.assign(i, rasterBuf.getShortNoDataValue());break; |
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case IBuffer.TYPE_INT:buf.assign(i, rasterBuf.getIntNoDataValue());break; |
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case IBuffer.TYPE_FLOAT:buf.assign(i, rasterBuf.getFloatNoDataValue());break; |
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case IBuffer.TYPE_DOUBLE:buf.assign(i, rasterBuf.getNoDataValue());break; |
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} |
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} |
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switch(rasterBuf.getDataType()) {
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case IBuffer.TYPE_BYTE: |
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* @throws ArrayIndexOutOfBoundsException |
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*/ |
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public void setAreaOfInterest(int x, int y, int w, int h) throws InvalidSetViewException {
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if(x > getWidth() || y > getHeight()) |
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throw new InvalidSetViewException("Par?metros incorrectos en setAreaOfInterest");
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x = (x < 0) ? 0 : x; |
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y = (y < 0) ? 0 : y; |
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w = (w > getWidth()) ? getWidth() : w; |
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*/ |
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public void setAreaOfInterest(int x, int y, int w, int h, int bufWidth, int bufHeight) |
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throws InvalidSetViewException {
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//TODO: VALIDACI?N: Comprobaci?n de exceso de memoria reservada |
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if(x > getWidth() || y > getHeight()) |
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throw new InvalidSetViewException("Par?metros incorrectos en setAreaOfInterest");
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x = (x < 0) ? 0 : x; |
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y = (y < 0) ? 0 : y; |
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w = (w > getWidth()) ? getWidth() : w; |
| trunk/libraries/libRaster/src/org/gvsig/raster/util/RasterUtilities.java | ||
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} |
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/** |
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* Comprueba si alguna parte de un extent est? fuera del extent que tenemos como referencia.
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* Comprueba si un extent est? fuera de otro extent que tenemos como referencia.
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* @param e1 Extent a comprobar si est? fuera |
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* @param ref Extent de referencia |
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* @return Devuelve true si alguna parte de e1 cae fuera de ref y false si no tiene ninguna fuera.
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* @return Devuelve true si todo el extent cae fuera de ref y false si no est? fuera.
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*/ |
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public static boolean isOutside(Extent e1, Extent ref){
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return ((e1.getMin().getX() > ref.getMax().getX()) || (e1.getMin().getY() > ref.getMax().getY()) || |
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