svn-gvsig-desktop / branches / CqCMSDvp / libraries / libCq CMS for java.old / src / org / cresques / io / EcwFile.java @ 2185
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/*
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* EcwFile.java
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*/
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package org.cresques.io; |
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import java.awt.Dimension; |
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import java.awt.Image; |
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import java.awt.Point; |
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import java.awt.image.BufferedImage; |
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import java.awt.image.PixelGrabber; |
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import com.ermapper.ecw.JNCSFile; |
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import com.ermapper.ecw.JNCSFileNotOpenException; |
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import com.ermapper.ecw.JNCSProgressiveUpdate; |
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import com.ermapper.util.JNCSDatasetPoint; |
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import com.ermapper.util.JNCSWorldPoint; |
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import com.ermapper.ecw.JNCSException; |
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import es.gva.cit.jmrsid.LTIMetadataRecord; |
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import es.gva.cit.jmrsid.MrSIDException; |
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import org.cresques.cts.ICoordTrans; |
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import org.cresques.cts.IProjection; |
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import org.cresques.px.*; |
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/**
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* Soporte para los ficheros .ecw de ErMapper.
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* <br>
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* NOTA: El SDK que ermapper ha puesto a disposici?n del p?blico en java
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* es una versi?n 2.45, de 19/11/2001. Est? implementada usando JNI que
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* se apoya en tres librer?as din?micas (dll), y presenta deficiencias
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* muy graves a la hora de acceder a la informaci?n. Hasta el momento
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* hemos detectado 3 de ellas:<BR>
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* 1?.- No soporta ampliaciones superiores a 1:1. si se intenta acceder
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* a un ecw con un zoom mayor da una excepci?n del tipo
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* com.ermapper.ecw.JNCSInvalidSetViewException, que de no ser tenida encuenta
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* acaba tirando abajo la m?quina virtual de java.<BR>
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* 2?.- La longitud m?xima de l?nea que adminte el m?todo readLineRGBA es
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* de unos 2500 pixeles, lo que hace el uso para la impresi?n en formatos
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* superiorea a A4 a 300 ppp o m?s inviable.<BR>
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* 3?.- La actualizaci?n progresiva usando el interface JNCSProgressiveUpdate
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* con el JNCSFile hace que el equipo genere un error severo y se apague. Este
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* error imposibilita esta t?cnica de acceso a ECW.<BR>
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* <br>
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* Para saltarnos la limitaci?n del bug#1 pedimos la ventana correspondiente al zoom 1:1 para
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* el view que nos han puesto, y la resizeamos al tama?o que nos pide el usuario.<br>
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* Como consecuencia del bug#2, para tama?os de ventana muy grandes (los necesarios
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* para imprimir a m?s de A4 a 300DPI), hay que hacer varias llamadas al fichero con
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* varios marcos contiguos, y los devolvemos 'pegados' en una sola imagen (esto se
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* realiza de manera transparente para el usuario dentro de la llamada a updateImage.<br>
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*
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* @author "Luis W. Sevilla" <sevilla_lui@gva.es>
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*/
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public class EcwFile extends GeoRasterFile implements JNCSProgressiveUpdate { |
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private JNCSFile file = null; |
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private boolean bErrorOnOpen = false; |
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private String errorMessage = null; |
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private Extent v = null; |
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// Ultimo porcentaje de refresco. Se carga en el update y se
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// actualiza en el refreshUpdate
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private int lastRefreshPercent = 0; |
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public EcwFile(IProjection proj, String fName) { |
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super(proj, null); |
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fName = DataSource.normalize(fName);
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super.setName(fName);
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extent = new Extent();
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try {
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System.err.println("Abriendo "+fName); |
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file = new JNCSFile(fName, false); |
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//file = new JNCSFile(fName, true);
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//file.addProgressiveUpdateListener(this);
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load(); |
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bandCount = file.numBands; |
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/*if ( bandCount > 2) {
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setBand(RED_BAND, 0);
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setBand(GREEN_BAND, 1);
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setBand(BLUE_BAND, 2);
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} else
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setBand(RED_BAND|GREEN_BAND|BLUE_BAND, 0);*/
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} catch(Exception e) { |
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bErrorOnOpen = true;
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errorMessage = e.getMessage(); |
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// g.drawString(errorMessage, 0, 50);
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System.err.println(errorMessage);
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e.printStackTrace(); |
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} |
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} |
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public void setView(Extent e) { v = new Extent(e); } |
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public Extent getView() { return v; } |
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/**
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* Carga un ECW.
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*
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* @param fname
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*/
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public GeoFile load() {
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double minX, minY, maxX, maxY;
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System.out.println("ECW size = ("+file.width+","+file.height+")\n"+ |
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" inc=("+file.cellIncrementX+","+file.cellIncrementY+")\n"+ |
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" datum='"+file.datum+"', proyeccion='"+file.projection+"'"); |
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minX = file.originX; |
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maxY = file.originY; |
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maxX = file.originX + (double)(file.width-1)*file.cellIncrementX; |
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minY = file.originY + (double)(file.height-1)*file.cellIncrementY; |
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extent = new Extent(minX, minY, maxX, maxY);
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System.out.println(extent);
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return this; |
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} |
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public void close() { |
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file.close(true);
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file = null;
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} |
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public int getWidth() { return file.width; } |
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public int getHeight() { return file.height; } |
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/**
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* Trozo de imagen (Chunk) en que se divide la consulta a la librer?a,
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* para esquivar el bug#2.
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*
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* @author luisw
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*/
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static class ChunkFrame { |
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// Ancho m?ximo (~2500 px)
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final static int MAX_WIDTH = 1536; |
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// Alto m?ximo (no hay l?mite)
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final static int MAX_HEIGHT = 1536; |
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Point pos;
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Extent v; |
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int width, height;
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boolean mustResize = false; |
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public ChunkFrame(Extent vista, int w, int h) { |
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v = vista; |
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width = w; |
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height = h; |
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} |
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/**
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* Calcula el array de chunks (trozos).
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* @param file Fichero ecw que hay que trocear.
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* @param v Extent total de la vista.
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* @param sz Tama?o total de la vista.
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* @return array de ChunkFrames.
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* @throws JNCSFileNotOpenException
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*/
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public static ChunkFrame [] computeFrames(JNCSFile file, Extent v, Dimension sz) throws JNCSFileNotOpenException { |
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ChunkFrame [] frames = null; |
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ChunkFrame f = null;
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// Calcula el n? de chunks (filas y columnas)
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int numCol = (sz.width / MAX_WIDTH), numRow = (sz.height / MAX_HEIGHT);
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if (sz.width -(numCol*MAX_WIDTH) > 0) numCol++; |
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if (sz.height - (numRow*MAX_HEIGHT) > 0) numRow++; |
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frames = new ChunkFrame[numCol*numRow];
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// Coprobaci?n previa para resolver el bug#1
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JNCSDatasetPoint ptMin = file.convertWorldToDataset(v.minX(), v.minY()); |
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JNCSDatasetPoint ptMax = file.convertWorldToDataset(v.maxX(), v.maxY()); |
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System.out.println("Dataset coords Width = "+(ptMax.x-ptMin.x)+", px width = "+sz.width+ |
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" px heigh = "+sz.height);
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// BEGIN Cambiando para soportar e < 1:1
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// TODO Mejorarlo para que los PAN con un zoom muy grande sean correctos
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System.out.println("MAXX MINX-"+ptMax.x+","+ptMin.x); |
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if ((ptMax.x-ptMin.x)<sz.width) {
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numCol = numRow = 1;
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frames = new ChunkFrame[numCol*numRow];
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f = frames[0] = new ChunkFrame(v, ptMax.x-ptMin.x, ptMin.y-ptMax.y); |
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System.out.println("Size=("+f.width+","+f.height+")"); |
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f.pos = new Point(0,0); |
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f.mustResize = true;
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f.v = new Extent(v);
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} else {
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// Calcula cada chunk
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double stepx = ((double) ptMax.x-ptMin.x)/sz.getWidth(); |
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double stepy = ((double) ptMax.y-ptMin.y)/sz.getHeight(); |
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int h = sz.height;
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for (int r=0; r<numRow; r++) { |
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int w = sz.width;
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for (int c = 0; c<numCol; c++) { |
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f = new ChunkFrame(null, -1, -1); |
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// Posici?n del chunk
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f.pos = new Point(c*MAX_WIDTH, r*MAX_HEIGHT); |
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// Tama?o del chunk
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f.width = Math.min(MAX_WIDTH, w);
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f.height = Math.min(MAX_HEIGHT, h);
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// Extent del chunk
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int x1 = ptMin.x+(int) (f.pos.x*stepx); |
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int x2 = x1+(int)(f.width*stepx); |
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int y1 = ptMax.y-(int) (f.pos.y*stepy); //ptMax.y; |
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int y2 = y1-(int)(f.height*stepy);//ptMin.y; |
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JNCSWorldPoint pt1 = file.convertDatasetToWorld(x1, y1); |
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JNCSWorldPoint pt2 = file.convertDatasetToWorld(x2, y2); |
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f.v = new Extent(pt1.x, pt1.y, pt2.x, pt2.y); // Hay que calcularlo |
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System.out.println(" View DataSet = ("+x1+","+y1+","+x2+","+y2+")"); |
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System.out.println(" View Extent = "+ v); |
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System.out.println("Frame Extent = "+ f.v); |
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frames[r*numCol+c] = f; |
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w -= MAX_WIDTH; |
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} |
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h -= MAX_HEIGHT; |
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} |
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} |
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System.out.println("Hay "+numRow+" filas y "+numCol+" columnas."); |
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return frames;
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} |
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} |
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/**
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* Obtiene un trozo de imagen (determinado por la vista y los par?metros.
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*
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* @param width
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* @param height
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*/
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public synchronized Image updateImage(int width, int height, ICoordTrans rp) { |
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// TODO reproyectar para devolver el trozo de imagen pedida sobre ...
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// la proyecci?n de destino.
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int line = 0; |
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boolean mustResize = false; |
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Dimension fullSize = null; |
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Image ecwImage = null; |
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if (file == null) return ecwImage; |
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try {
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double dFileAspect, dWindowAspect;
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//double dWorldTLX, dWorldTLY, dWorldBRX, dWorldBRY;
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int bandlist[]; |
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int bandListTriband[]; |
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int pRGBArray[] = null; |
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// Work out the correct aspect for the setView call.
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dFileAspect = (double)v.width()/(double)v.height(); |
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dWindowAspect = (double)width /(double)height; |
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if (dFileAspect > dWindowAspect) {
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height =(int)((double)width/dFileAspect); |
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} else {
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width = (int)((double)height*dFileAspect); |
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} |
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fullSize = new Dimension(width, height); |
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System.out.println("fullSize = ("+width+","+height+")"); |
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// Peta en los peque?os ... arreglar antes de meter del todo
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ChunkFrame frames[] = ChunkFrame.computeFrames(file, v, fullSize);
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for (int nChunk=0; nChunk<frames.length; nChunk++) { |
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System.out.println("chunck "+nChunk+"->"+frames[nChunk]); |
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} |
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if (frames.length == 1) { |
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width = frames[0].width;
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height = frames[0].height;
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if(width<=0)width=1; |
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if(height<=0)height=1; |
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System.out.println("frameSize = ("+width+","+height+")"); |
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//System.out.println("Cambio el ancho total a ("+width+","+height+")");
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} |
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/* JNCSDatasetPoint ptMin = file.convertWorldToDataset(v.minX(), v.minY());
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JNCSDatasetPoint ptMax = file.convertWorldToDataset(v.maxX(), v.maxY());
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System.out.println("Dataset coords Width = "+(ptMax.x-ptMin.x)+", px width ="+width);
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// BEGIN Cambiando para soportar e < 1:1
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// TODO Mejorarlo para que los PAN con un zoom muy grande sean correctos
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if ((ptMax.x-ptMin.x)<width) {
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width = ptMax.x-ptMin.x;
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height = ptMin.y-ptMax.y;
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System.out.println("Size=("+width+","+height+")");
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mustResize = true;
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}*/
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// Create an image of the ecw file.
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if (doTransparency)
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ecwImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB) ; |
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else
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ecwImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB); |
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pRGBArray = new int[width]; |
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// Setup the view parameters for the ecw file.
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bandlist = new int[bandCount]; |
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bandListTriband = new int[bandCount]; |
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if ( bandCount > 2) { |
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bandlist[0] = getBand(RED_BAND);
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bandlist[1] = getBand(GREEN_BAND);
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bandlist[2] = getBand(BLUE_BAND);
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if (bandCount > 3) |
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for (int i=3; i< bandCount; i++) { |
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bandlist[i] = 0;
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} |
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} else {
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for (int i=0; i< bandCount; i++) { |
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bandlist[i] = i; |
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} |
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} |
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if(bandCount==3){ |
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bandListTriband[0] = 0; |
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bandListTriband[1] = 1; |
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bandListTriband[2] = 2; |
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} |
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for (int nChunk=0; nChunk<frames.length; nChunk++) { |
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ChunkFrame f = frames[nChunk]; |
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// Set the view
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if(bandCount!=3) |
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file.setView(file.numBands, bandlist, f.v.minX(), f.v.maxY(), f.v.maxX(), f.v.minY(), f.width, f.height); |
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else
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file.setView(file.numBands, bandListTriband, f.v.minX(), f.v.maxY(), f.v.maxX(), f.v.minY(), f.width, f.height); |
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System.out.println("f.Size = ("+f.width+","+f.height+")+CHUNK="+nChunk); |
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/* Esta peli es porque el Ecw no intercambia las bandas con lo que me toca hacerlo
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* a mano. Primero detectamos si se ha alterado el orden de las mismas. Si es as?
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* calculamos mascaras y desplazamientos y hacemos una copia en pRGBArrayCopy
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* con las bandas alteradas de orden
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*/
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int pRGBArrayCopy[] = null; |
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int mascara[] = new int[3]; |
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int shl[] = new int[3]; |
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int shr[] = new int[3]; |
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boolean order = true; |
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if(bandCount==3){ |
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for(int i=0;i<bandCount;i++) |
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if(bandlist[i]!=i)order=false; |
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if(!order){
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for(int i=0;i<bandCount;i++){ |
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switch(bandlist[i]){
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case 0:mascara[i] = 0x00ff0000;break; |
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case 1:mascara[i] = 0x0000ff00;break; |
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case 2:mascara[i] = 0x000000ff;break; |
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} |
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if(i==1 && bandlist[i]==0)shr[i] = 8; |
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if(i==2 && bandlist[i]==0)shr[i] = 16; |
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if(i==0 && bandlist[i]==1)shl[i] = 8; |
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if(i==2 && bandlist[i]==1)shr[i] = 8; |
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if(i==0 && bandlist[i]==2)shl[i] = 16; |
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if(i==1 && bandlist[i]==2)shl[i] = 8; |
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} |
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} |
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} |
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// Read the scan lines
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for (line=0; line < f.height; line++) { |
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file.readLineRGBA(pRGBArray); |
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if(bandCount==3 && !order){ |
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pRGBArrayCopy = new int[pRGBArray.length]; |
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for(int i=0;i<pRGBArray.length;i++){ |
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pRGBArrayCopy[i] = (pRGBArray[i] & 0xff000000) +
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(((pRGBArray[i] & mascara[2]) << shl[2] ) >> shr[2]) + |
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(((pRGBArray[i] & mascara[1]) << shl[1] ) >> shr[1]) + |
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(((pRGBArray[i] & mascara[0]) << shl[0] ) >> shr[0]); |
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} |
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pRGBArray = pRGBArrayCopy; |
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} |
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// Prueba de sustituci?n de color transparente
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if (doTransparency) {
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if (line == 0) tFilter.debug = true; |
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tFilter.filterLine(pRGBArray); |
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tFilter.debug = false;
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} |
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//System.out.println("setRGB("+f.pos.x+","+f.pos.y+line+","+f.width+","+1+","+pRGBArray+","+0+","+f.width+")");
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((BufferedImage)ecwImage).setRGB(f.pos.x, f.pos.y+line, f.width, 1, pRGBArray, 0, f.width); |
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} |
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} |
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if (frames[0].mustResize) { |
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//System.out.println("resize "+fullSize);
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return resizeImage(fullSize, ecwImage);
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} |
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/*
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* La excepci?n atrapada es la de 'zoom > 1:1 no valido'
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} catch (com.ermapper.ecw.JNCSInvalidSetViewException e) {
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System.err.println(errorMessage);
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e.printStackTrace(); */
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} catch(com.ermapper.ecw.JNCSException e) { //java.lang.ArrayIndexOutOfBoundsException: |
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bErrorOnOpen = true;
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System.err.println("EcwFile JNCS Error en la l?nea "+line+"/"+height); |
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System.err.println(e.getMessage());
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e.printStackTrace(); |
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} catch(java.lang.ArrayIndexOutOfBoundsException e) { //: |
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bErrorOnOpen = true;
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System.err.println("EcwFile ArrayIndex Error en la l?nea "+line+"/"+height); |
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System.err.println(e.getMessage());
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e.printStackTrace(); |
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} catch(Exception e) { |
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bErrorOnOpen = true;
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errorMessage = e.getMessage(); |
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// g.drawString(errorMessage, 0, 50);
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System.err.println(errorMessage);
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e.printStackTrace(); |
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} |
| 403 |
lastRefreshPercent = file.getPercentComplete(); |
| 404 |
System.out.println("Leido al "+lastRefreshPercent+" %."); |
| 405 |
return ecwImage;
|
| 406 |
} |
| 407 |
|
| 408 |
/**
|
| 409 |
* Redimensionado de imagen
|
| 410 |
* La funci?n getScaledInstance nos devuelve un tipo image que no sirve por lo que
|
| 411 |
* habr? que crear buffImg como BufferedImage y copiar los datos devueltos por esta
|
| 412 |
* funci?n a este que es el que ser? devuelto por la funci?n
|
| 413 |
* @param sz
|
| 414 |
* @param image Image de entrada
|
| 415 |
* @return Imagen reescalada
|
| 416 |
*/
|
| 417 |
private Image resizeImage(Dimension sz, Image image) { |
| 418 |
Image buffImg = null; |
| 419 |
Image img = image.getScaledInstance((int) sz.getWidth(), |
| 420 |
(int) sz.getHeight(), Image.SCALE_SMOOTH); |
| 421 |
|
| 422 |
//Todo este pollo es para copiar el tipo image devuelto a BufferedImage
|
| 423 |
|
| 424 |
buffImg = new BufferedImage(img.getWidth(null), img.getHeight(null), BufferedImage.TYPE_INT_ARGB) ; |
| 425 |
|
| 426 |
int[] pixels = new int[img.getWidth(null) * img.getHeight(null)]; |
| 427 |
PixelGrabber pg = new PixelGrabber(img, 0, 0, img.getWidth(null), img.getHeight(null), pixels, 0, img.getWidth(null)); |
| 428 |
|
| 429 |
try {
|
| 430 |
pg.grabPixels(); |
| 431 |
} catch (InterruptedException e) { |
| 432 |
e.printStackTrace(); |
| 433 |
} |
| 434 |
|
| 435 |
for (int j = 0; j < buffImg.getHeight(null); j++) { |
| 436 |
for (int i = 0; i < buffImg.getWidth(null); i++) { |
| 437 |
((BufferedImage)buffImg).setRGB(i, j, pixels[j * buffImg.getWidth(null) + i]); |
| 438 |
} |
| 439 |
} |
| 440 |
|
| 441 |
return buffImg;
|
| 442 |
} |
| 443 |
|
| 444 |
/**
|
| 445 |
* Reproyecta el raster.
|
| 446 |
*/
|
| 447 |
public void reProject(ICoordTrans rp) { |
| 448 |
// TODO metodo reProject pendiente de implementar
|
| 449 |
} |
| 450 |
|
| 451 |
|
| 452 |
/**
|
| 453 |
* Soporte para actualizaci?n de la imagen
|
| 454 |
* @see com.ermapper.ecw.JNCSProgressiveUpdate#refreshUpdate(int, int, double, double, double, double)
|
| 455 |
*/
|
| 456 |
public void refreshUpdate(int nWidth, int nHeight, double dWorldTLX, double dWorldTLY, double dWorldBRX, double dWorldBRY) { |
| 457 |
int completado = file.getPercentComplete();
|
| 458 |
System.out.println("EcwFile: se actualiza 1: "+completado+" % completado"); |
| 459 |
if ((updatable != null) && (lastRefreshPercent < 100)) { |
| 460 |
if ((completado-lastRefreshPercent > 25) || completado == 100) { |
| 461 |
lastRefreshPercent = file.getPercentComplete(); |
| 462 |
updatable.repaint(); |
| 463 |
} |
| 464 |
} |
| 465 |
} |
| 466 |
|
| 467 |
public void refreshUpdate(int nWidth, int nHeight, int dDatasetTLX, int dDatasetTLY, int dDatasetBRX, int dDatasetBRY) { |
| 468 |
System.out.println("EcwFile: se actualiza 2"); |
| 469 |
} |
| 470 |
|
| 471 |
/**
|
| 472 |
* Esta funci?n es porque el Ecw no intercambia las bandas con lo que me toca hacerlo
|
| 473 |
* a mano. Primero detectamos si se ha alterado el orden de las mismas. Si es as?
|
| 474 |
* calculamos mascaras y desplazamientos y hacemos una copia en pRGBArrayCopy
|
| 475 |
* con las bandas alteradas de orden
|
| 476 |
* @param bandList lista de bandas
|
| 477 |
* @param mask mascara
|
| 478 |
* @param shl desplazamiento izquierda
|
| 479 |
* @param shr desplazamiento derecha
|
| 480 |
*/
|
| 481 |
private boolean calcMaskAndShift(int[] bandList, int[] mask, int[] shl, int[] shr){ |
| 482 |
boolean order = true; |
| 483 |
if(bandCount==3){ |
| 484 |
for(int i=0;i<bandCount;i++) |
| 485 |
if(bandList[i]!=i)order=false; |
| 486 |
if(!order){
|
| 487 |
for(int i=0;i<bandCount;i++){ |
| 488 |
switch(bandList[i]){
|
| 489 |
case 0:mask[i] = 0x00ff0000;break; |
| 490 |
case 1:mask[i] = 0x0000ff00;break; |
| 491 |
case 2:mask[i] = 0x000000ff;break; |
| 492 |
} |
| 493 |
if(i==1 && bandList[i]==0)shr[i] = 8; |
| 494 |
if(i==2 && bandList[i]==0)shr[i] = 16; |
| 495 |
if(i==0 && bandList[i]==1)shl[i] = 8; |
| 496 |
if(i==2 && bandList[i]==1)shr[i] = 8; |
| 497 |
if(i==0 && bandList[i]==2)shl[i] = 16; |
| 498 |
if(i==1 && bandList[i]==2)shl[i] = 8; |
| 499 |
} |
| 500 |
} |
| 501 |
} |
| 502 |
return order;
|
| 503 |
} |
| 504 |
|
| 505 |
/**
|
| 506 |
* Intercambio de bandas para ecw manual. Se le pasa el array de bytes que se desea intercambiar
|
| 507 |
* la mascara y desplazamientos previamente calculados con calcMaskAndShift
|
| 508 |
* @param order true si el orden de las bandas no est? alterado y false si lo est?
|
| 509 |
* @param pRGBArray array de
|
| 510 |
* @param mascara
|
| 511 |
* @param shl desplazamiento a izquierda
|
| 512 |
* @param shr desplazamiento a derecha
|
| 513 |
* @return array con las bandas cambiadas
|
| 514 |
*/
|
| 515 |
private int[] changeBands(boolean order, int[] pRGBArray, int[] mascara, int[] shl, int[] shr){ |
| 516 |
if(bandCount==3 && !order){ |
| 517 |
int[] pRGBArrayCopy = new int[pRGBArray.length]; |
| 518 |
for(int i=0;i<pRGBArray.length;i++){ |
| 519 |
pRGBArrayCopy[i] = (pRGBArray[i] & 0xff000000) +
|
| 520 |
(((pRGBArray[i] & mascara[2]) << shl[2] ) >> shr[2]) + |
| 521 |
(((pRGBArray[i] & mascara[1]) << shl[1] ) >> shr[1]) + |
| 522 |
(((pRGBArray[i] & mascara[0]) << shl[0] ) >> shr[0]); |
| 523 |
} |
| 524 |
return pRGBArrayCopy;
|
| 525 |
} |
| 526 |
return pRGBArray;
|
| 527 |
} |
| 528 |
|
| 529 |
/**
|
| 530 |
* Asigna al objeto Image los valores con los dato de la imagen contenidos en el
|
| 531 |
* vector de enteros.
|
| 532 |
* @param image imagen con los datos actuales
|
| 533 |
* @param startX inicio de la posici?n en X dentro de la imagen
|
| 534 |
* @param startY inicio de la posici?n en X dentro de la imagen
|
| 535 |
* @param w Ancho de la imagen
|
| 536 |
* @param h Alto de la imagen
|
| 537 |
* @param rgbArray vector que contiene la banda que se va a sustituir
|
| 538 |
* @param offset desplazamiento
|
| 539 |
* @param scansize tama?o de imagen recorrida por cada p
|
| 540 |
*/
|
| 541 |
protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, |
| 542 |
int offset, int scansize) { |
| 543 |
image.setRGB(startX, startY, w, h, rgbArray, offset, scansize); |
| 544 |
} |
| 545 |
|
| 546 |
/**
|
| 547 |
* Asigna al objeto Image la mezcla entre los valores que ya tiene y los valores
|
| 548 |
* con los dato de la imagen contenidos en el vector de enteros. De los valores RGB
|
| 549 |
* que ya contiene se mantienen las bandas que no coinciden con el valor de flags. La
|
| 550 |
* banda correspondiente a flags es sustituida por los datos del vector.
|
| 551 |
* @param image imagen con los datos actuales
|
| 552 |
* @param startX inicio de la posici?n en X dentro de la imagen
|
| 553 |
* @param startY inicio de la posici?n en X dentro de la imagen
|
| 554 |
* @param w Ancho de la imagen
|
| 555 |
* @param h Alto de la imagen
|
| 556 |
* @param rgbArray vector que contiene la banda que se va a sustituir
|
| 557 |
* @param offset desplazamiento
|
| 558 |
* @param scansize tama?o de imagen recorrida por cada paso
|
| 559 |
* @param flags banda que se va a sustituir (Ctes de GeoRasterFile)
|
| 560 |
*/
|
| 561 |
protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, |
| 562 |
int offset, int scansize, int flags) { |
| 563 |
int [] line = new int[rgbArray.length]; |
| 564 |
image.getRGB(startX, startY, w, h, line, offset, scansize); |
| 565 |
if (flags == GeoRasterFile.RED_BAND)
|
| 566 |
for (int i=0; i<line.length; i++) |
| 567 |
line[i] = (line[i] & 0x0000ffff) | (rgbArray[i] & 0xffff0000); |
| 568 |
else if (flags == GeoRasterFile.GREEN_BAND) |
| 569 |
for (int i=0; i<line.length; i++) |
| 570 |
line[i] = (line[i] & 0x00ff00ff) | (rgbArray[i] & 0xff00ff00); |
| 571 |
else if (flags == GeoRasterFile.BLUE_BAND) |
| 572 |
for (int i=0; i<line.length; i++) |
| 573 |
line[i] = (line[i] & 0x00ffff00) | (rgbArray[i] & 0xff0000ff); |
| 574 |
image.setRGB(startX, startY, w, h, line, offset, scansize); |
| 575 |
} |
| 576 |
|
| 577 |
/**
|
| 578 |
* Asigna al objeto Image la mezcla entre los valores que ya tiene y los valores
|
| 579 |
* con los dato de la imagen contenidos en el vector de enteros. De los valores RGB
|
| 580 |
* que ya contiene se mantienen las bandas que no coinciden con el valor de flags. La
|
| 581 |
* banda correspondiente a flags es sustituida por los datos del vector.
|
| 582 |
* @param image imagen con los datos actuales
|
| 583 |
* @param startX inicio de la posici?n en X dentro de la imagen
|
| 584 |
* @param startY inicio de la posici?n en X dentro de la imagen
|
| 585 |
* @param w Ancho de la imagen
|
| 586 |
* @param h Alto de la imagen
|
| 587 |
* @param rgbArray vector que contiene la banda que se va a sustituir
|
| 588 |
* @param offset desplazamiento
|
| 589 |
* @param scansize tama?o de imagen recorrida por cada paso
|
| 590 |
* @param origBand Banda origen del GeoRasterFile
|
| 591 |
* @param destBandFlag banda que se va a sustituir (Ctes de GeoRasterFile)
|
| 592 |
*/
|
| 593 |
protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, |
| 594 |
int offset, int scansize, int origBand, int destBandFlag) { |
| 595 |
int [] line = new int[rgbArray.length]; |
| 596 |
image.getRGB(startX, startY, w, h, line, offset, scansize); |
| 597 |
|
| 598 |
if (origBand == 0 && destBandFlag == GeoRasterFile.RED_BAND) |
| 599 |
for (int i=0; i<line.length; i++) |
| 600 |
line[i] = (line[i] & 0xff00ffff) | (rgbArray[i] & 0x00ff0000); |
| 601 |
else if (origBand == 1 && destBandFlag == GeoRasterFile.GREEN_BAND) |
| 602 |
for (int i=0; i<line.length; i++) |
| 603 |
line[i] = (line[i] & 0xffff00ff) | (rgbArray[i] & 0x0000ff00); |
| 604 |
else if (origBand == 2 && destBandFlag == GeoRasterFile.BLUE_BAND) |
| 605 |
for (int i=0; i<line.length; i++) |
| 606 |
line[i] = (line[i] & 0xffffff00) | (rgbArray[i] & 0x000000ff); |
| 607 |
|
| 608 |
else if (origBand == 0 && destBandFlag == GeoRasterFile.GREEN_BAND) |
| 609 |
for (int i=0; i<line.length; i++) |
| 610 |
line[i] = (line[i] & 0xffff00ff) | ((rgbArray[i] & 0x00ff0000) >> 8) ; |
| 611 |
else if (origBand == 0 && destBandFlag == GeoRasterFile.BLUE_BAND) |
| 612 |
for (int i=0; i<line.length; i++) |
| 613 |
line[i] = (line[i] & 0xffffff00) | ((rgbArray[i] & 0x00ff0000) >> 16); |
| 614 |
|
| 615 |
else if (origBand == 1 && destBandFlag == GeoRasterFile.RED_BAND) |
| 616 |
for (int i=0; i<line.length; i++) |
| 617 |
line[i] = (line[i] & 0xff00ffff) | ((rgbArray[i] & 0x0000ff00) << 8); |
| 618 |
else if (origBand == 1 && destBandFlag == GeoRasterFile.BLUE_BAND) |
| 619 |
for (int i=0; i<line.length; i++) |
| 620 |
line[i] = (line[i] & 0xffffff00) | ((rgbArray[i] & 0x0000ff00) >> 8); |
| 621 |
|
| 622 |
else if (origBand == 2 && destBandFlag == GeoRasterFile.RED_BAND) |
| 623 |
for (int i=0; i<line.length; i++) |
| 624 |
line[i] = (line[i] & 0xff00ffff) | ((rgbArray[i] & 0x000000ff) << 16); |
| 625 |
else if (origBand == 2 && destBandFlag == GeoRasterFile.GREEN_BAND) |
| 626 |
for (int i=0; i<line.length; i++) |
| 627 |
line[i] = (line[i] & 0xffff00ff) | ((rgbArray[i] & 0x000000ff) << 8); |
| 628 |
|
| 629 |
image.setRGB(startX, startY, w, h, line, offset, scansize); |
| 630 |
} |
| 631 |
|
| 632 |
/* (non-Javadoc)
|
| 633 |
* @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.cts.ICoordTrans, java.awt.Image, int origBand, int destBand)
|
| 634 |
*/
|
| 635 |
public Image updateImage(int width, int height, ICoordTrans rp, Image img, int origBand, int destBandFlag) { |
| 636 |
//TODO reproyectar para devolver el trozo de imagen pedida sobre ...
|
| 637 |
// la proyecci?n de destino.
|
| 638 |
int line = 0; |
| 639 |
boolean mustResize = false; |
| 640 |
Dimension fullSize = null; |
| 641 |
|
| 642 |
if (file == null) return null; |
| 643 |
try {
|
| 644 |
double dFileAspect, dWindowAspect;
|
| 645 |
//double dWorldTLX, dWorldTLY, dWorldBRX, dWorldBRY;
|
| 646 |
int bandlist[]; |
| 647 |
int bandListTriband[]; |
| 648 |
int pRGBArray[] = null; |
| 649 |
|
| 650 |
// Work out the correct aspect for the setView call.
|
| 651 |
dFileAspect = (double)v.width()/(double)v.height(); |
| 652 |
dWindowAspect = (double)width /(double)height; |
| 653 |
|
| 654 |
if (dFileAspect > dWindowAspect) {
|
| 655 |
height =(int)((double)width/dFileAspect); |
| 656 |
} else {
|
| 657 |
width = (int)((double)height*dFileAspect); |
| 658 |
} |
| 659 |
|
| 660 |
fullSize = new Dimension(width, height); |
| 661 |
System.out.println("fullSize = ("+width+","+height+")"); |
| 662 |
// Peta en los peque?os ... arreglar antes de meter del todo
|
| 663 |
ChunkFrame frames[] = ChunkFrame.computeFrames(file, v, fullSize);
|
| 664 |
for (int nChunk=0; nChunk<frames.length; nChunk++) { |
| 665 |
System.out.println("chunck "+nChunk+"->"+frames[nChunk]); |
| 666 |
} |
| 667 |
if (frames.length == 1) { |
| 668 |
width = frames[0].width;
|
| 669 |
height = frames[0].height;
|
| 670 |
if(width<=0)width=1; |
| 671 |
if(height<=0)height=1; |
| 672 |
System.out.println("frameSize = ("+width+","+height+")"); |
| 673 |
//System.out.println("Cambio el ancho total a ("+width+","+height+")");
|
| 674 |
} |
| 675 |
|
| 676 |
// Create an image of the ecw file.
|
| 677 |
|
| 678 |
pRGBArray = new int[width]; |
| 679 |
|
| 680 |
// Setup the view parameters for the ecw file.
|
| 681 |
bandlist = new int[bandCount]; |
| 682 |
bandListTriband = new int[bandCount]; |
| 683 |
if ( bandCount > 2) { |
| 684 |
bandlist[0] = getBand(RED_BAND);
|
| 685 |
bandlist[1] = getBand(GREEN_BAND);
|
| 686 |
bandlist[2] = getBand(BLUE_BAND);
|
| 687 |
if (bandCount > 3) |
| 688 |
for (int i=3; i< bandCount; i++) { |
| 689 |
bandlist[i] = 0;
|
| 690 |
} |
| 691 |
} else {
|
| 692 |
for (int i=0; i< bandCount; i++) { |
| 693 |
bandlist[i] = i; |
| 694 |
} |
| 695 |
} |
| 696 |
|
| 697 |
if(bandCount==3){ |
| 698 |
bandListTriband[0] = 0; |
| 699 |
bandListTriband[1] = 1; |
| 700 |
bandListTriband[2] = 2; |
| 701 |
} |
| 702 |
|
| 703 |
int mascara[] = new int[3]; |
| 704 |
int shl[] = new int[3]; |
| 705 |
int shr[] = new int[3]; |
| 706 |
boolean order = true; |
| 707 |
|
| 708 |
if(img==null){ //Caso en el que se crea un Image |
| 709 |
Image ecwImage = null; |
| 710 |
for (int nChunk=0; nChunk<frames.length; nChunk++) { |
| 711 |
ChunkFrame f = frames[nChunk]; |
| 712 |
if(bandCount!=3) |
| 713 |
file.setView(file.numBands, bandlist, f.v.minX(), f.v.maxY(), f.v.maxX(), f.v.minY(), f.width, f.height); |
| 714 |
else
|
| 715 |
file.setView(file.numBands, bandListTriband, f.v.minX(), f.v.maxY(), f.v.maxX(), f.v.minY(), f.width, f.height); |
| 716 |
|
| 717 |
order = calcMaskAndShift(bandlist, mascara, shl, shr); |
| 718 |
|
| 719 |
ecwImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); |
| 720 |
|
| 721 |
for (line=0; line < f.height; line++) { |
| 722 |
file.readLineRGBA(pRGBArray); |
| 723 |
pRGBArray = changeBands(order, pRGBArray, mascara, shl, shr); |
| 724 |
setRGBLine((BufferedImage) ecwImage, f.pos.x, f.pos.y+line, f.width, 1, pRGBArray, 0, f.width); |
| 725 |
} |
| 726 |
|
| 727 |
}//Chuncks
|
| 728 |
applyAlpha(ecwImage); |
| 729 |
if (frames[0].mustResize) { |
| 730 |
return resizeImage(fullSize, ecwImage);
|
| 731 |
} |
| 732 |
lastRefreshPercent = file.getPercentComplete(); |
| 733 |
System.out.println("Leido al "+lastRefreshPercent+" %."); |
| 734 |
return ecwImage;
|
| 735 |
}else{ //Caso en el que se actualiza una banda del Image |
| 736 |
for (int nChunk=0; nChunk<frames.length; nChunk++) { |
| 737 |
ChunkFrame f = frames[nChunk]; |
| 738 |
if(bandCount!=3) |
| 739 |
file.setView(file.numBands, bandlist, f.v.minX(), f.v.maxY(), f.v.maxX(), f.v.minY(), f.width, f.height); |
| 740 |
else
|
| 741 |
file.setView(file.numBands, bandListTriband, f.v.minX(), f.v.maxY(), f.v.maxX(), f.v.minY(), f.width, f.height); |
| 742 |
order = calcMaskAndShift(bandlist, mascara, shl, shr); |
| 743 |
|
| 744 |
//System.out.println("ORIGEN="+origBand+" DESTINO="+destBandFlag);
|
| 745 |
for (line=0; line < f.height; line++) { |
| 746 |
file.readLineRGBA(pRGBArray); |
| 747 |
pRGBArray = changeBands(order, pRGBArray, mascara, shl, shr); |
| 748 |
setRGBLine((BufferedImage) img, f.pos.x, f.pos.y+line, f.width, 1, pRGBArray, 0, f.width, origBand, destBandFlag); |
| 749 |
} |
| 750 |
|
| 751 |
}//Chuncks
|
| 752 |
|
| 753 |
applyAlpha(img); |
| 754 |
|
| 755 |
if (frames[0].mustResize) { |
| 756 |
return resizeImage(fullSize, img);
|
| 757 |
} |
| 758 |
lastRefreshPercent = file.getPercentComplete(); |
| 759 |
System.out.println("Leido al "+lastRefreshPercent+" %."); |
| 760 |
return img;
|
| 761 |
} |
| 762 |
|
| 763 |
|
| 764 |
} catch(com.ermapper.ecw.JNCSException e) { //java.lang.ArrayIndexOutOfBoundsException: |
| 765 |
bErrorOnOpen = true;
|
| 766 |
System.err.println("EcwFile JNCS Error en la l?nea "+line+"/"+height); |
| 767 |
System.err.println(e.getMessage());
|
| 768 |
e.printStackTrace(); |
| 769 |
} catch(java.lang.ArrayIndexOutOfBoundsException e) { //: |
| 770 |
bErrorOnOpen = true;
|
| 771 |
System.err.println("EcwFile ArrayIndex Error en la l?nea "+line+"/"+height); |
| 772 |
System.err.println(e.getMessage());
|
| 773 |
e.printStackTrace(); |
| 774 |
} catch(Exception e) { |
| 775 |
bErrorOnOpen = true;
|
| 776 |
errorMessage = e.getMessage(); |
| 777 |
System.err.println(errorMessage);
|
| 778 |
e.printStackTrace(); |
| 779 |
} |
| 780 |
return img;
|
| 781 |
} |
| 782 |
|
| 783 |
private void applyAlpha(Image im) { |
| 784 |
BufferedImage img = (BufferedImage) im; |
| 785 |
int alpha = (getAlpha() & 0xff) << 24; |
| 786 |
int w = img.getWidth();
|
| 787 |
int [] line = new int[w]; |
| 788 |
for (int j=0; j<img.getHeight(); j++) { |
| 789 |
img.getRGB(0, j, w, 1, line, 0, w); |
| 790 |
for (int i=0; i<w; i++) |
| 791 |
line[i] = (alpha | line[i] & 0x00ffffff);
|
| 792 |
img.setRGB(0, j, w, 1, line, 0, w); |
| 793 |
} |
| 794 |
} |
| 795 |
|
| 796 |
/* (non-Javadoc)
|
| 797 |
* @see org.cresques.io.GeoRasterFile#getData(int, int)
|
| 798 |
*/
|
| 799 |
public Object getData(int x, int y, int band) { |
| 800 |
//file.readLineRGBA();
|
| 801 |
return null; |
| 802 |
} |
| 803 |
|
| 804 |
/**
|
| 805 |
* Devuelve los datos de una ventana solicitada
|
| 806 |
* @param ulX coordenada X superior izda.
|
| 807 |
* @param ulY coordenada Y superior derecha.
|
| 808 |
* @param sizeX tama?o en X de la ventana.
|
| 809 |
* @param sizeY tama?o en Y de la ventana.
|
| 810 |
* @param band Banda solicitada.
|
| 811 |
*/
|
| 812 |
|
| 813 |
public byte[] getWindow(int ulX, int ulY, int sizeX, int sizeY, int band){ |
| 814 |
//TODO Nacho: Implementar getWindow de EcwFile
|
| 815 |
return null; |
| 816 |
|
| 817 |
} |
| 818 |
|
| 819 |
/**
|
| 820 |
* Obtiene la zona (Norte / Sur)
|
| 821 |
* @return true si la zona es norte y false si es sur
|
| 822 |
*/
|
| 823 |
|
| 824 |
public boolean getZone(){ |
| 825 |
//TODO Nacho: Implementar getZone de EcwFile
|
| 826 |
return false; |
| 827 |
} |
| 828 |
|
| 829 |
/**
|
| 830 |
*Devuelve el n?mero de zona UTM
|
| 831 |
*@return N?mero de zona
|
| 832 |
*/
|
| 833 |
|
| 834 |
public int getUTM(){ |
| 835 |
// TODO Nacho: Implementar getUTM de EcwFile
|
| 836 |
return 0; |
| 837 |
} |
| 838 |
|
| 839 |
/**
|
| 840 |
* Obtiene el sistema de coordenadas geograficas
|
| 841 |
* @return Sistema de coordenadas geogr?ficas
|
| 842 |
*/
|
| 843 |
public String getGeogCS(){ |
| 844 |
//TODO Nacho: Implementar getGeogCS de EcwFile
|
| 845 |
return new String(""); |
| 846 |
} |
| 847 |
|
| 848 |
/**
|
| 849 |
* Devuelve el tama?o de bloque
|
| 850 |
* @return Tama?o de bloque
|
| 851 |
*/
|
| 852 |
public int getBlockSize(){ |
| 853 |
//TODO Nacho: Implementar getBlockSize de EcwFile
|
| 854 |
return 1; |
| 855 |
} |
| 856 |
|
| 857 |
} |