svn-gvsig-desktop / branches / v02_desarrollo / libraries / libCq CMS for java.old / src / org / cresques / px / PxRaster.java @ 1533
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/*
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* PxRaster.java
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*/
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package org.cresques.px; |
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import java.awt.Color; |
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import java.awt.Component; |
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import java.awt.Graphics2D; |
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import java.awt.Image; |
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import java.awt.geom.GeneralPath; |
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import java.awt.geom.Point2D; |
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import java.awt.image.BufferedImage; |
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import java.awt.image.DataBuffer; |
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import java.awt.image.ImageObserver; |
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import java.util.Date; |
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import java.util.Vector; |
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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.geo.Projected; |
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import org.cresques.geo.ViewPortData; |
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import org.cresques.io.GdalFile; |
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import org.cresques.io.GeoRasterFile; |
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import org.cresques.io.RasterBuf; |
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public class PxRaster extends PxObj implements Projected { |
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protected GeoRasterFile geoFile = null; |
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protected ImageObserver component = null; |
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Vector pts = null; |
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// Soporte para n bandas, visibles de 3 en 3, en ficheros separados
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protected GeoRasterFile [] colorBand = null; |
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protected int rBand = 1, gBand = 2, bBand = 3; |
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int [] minBandValue = {Integer.MAX_VALUE,Integer.MAX_VALUE,Integer.MAX_VALUE}; |
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int [] maxBandValue = {Integer.MIN_VALUE,Integer.MIN_VALUE,Integer.MIN_VALUE}; |
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int transparente = 0x10ffff80; |
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String vName = null; |
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protected boolean pintaMarco = false; //true; |
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IProjection proj = null;
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protected Extent extentOrig = null; |
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ICoordTrans rp = null;
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/**
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* Constructor.
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* @param component
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*/
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public PxRaster(ImageObserver component) { |
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this.component = component;
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} |
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public PxRaster(IProjection proj, String fname, ImageObserver component) { |
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geoFile = GeoRasterFile.openFile(proj, fname);//loadECW(fname);
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geoFile.setUpdatable((Component) component);
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this.proj = proj;
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this.component = component;
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setExtent(geoFile.getExtent()); |
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geoFile.setView(geoFile.getExtent()); |
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extentOrig = extent; |
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if (geoFile.getBandCount()>2) { |
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setBand(GeoRasterFile.RED_BAND, 0);
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setBand(GeoRasterFile.GREEN_BAND, 1);
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setBand(GeoRasterFile.BLUE_BAND, 2);
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} else {
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setBand(GeoRasterFile.RED_BAND|GeoRasterFile.GREEN_BAND|GeoRasterFile.BLUE_BAND, 0);
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} |
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} |
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/*public PxRaster(String fname, ImageObserver component, Extent view) {
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geoFile = GeoRasterFile.openFile(null, fname);//loadECW(fname);
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this.component = component;
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setExtent(geoFile.getExtent());
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geoFile.setView(view);
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extentOrig = extent;
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//double x = 680800,y = 4128600;
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//setView(new Extent(x, y, x+4200, y-4200),"Huelva capital");
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}*/
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public PxRaster(IProjection proj, String [] fnames, ImageObserver component) { |
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this.proj = proj;
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this.component = component;
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colorBand = new GeoRasterFile[fnames.length];
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for (int i=0; i<colorBand.length; i++) { |
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colorBand[i] = GeoRasterFile.openFile(proj, fnames[i]);//loadECW(fname);
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colorBand[i].setUpdatable((Component) component);
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setExtent(colorBand[i].getExtent()); |
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colorBand[i].setView(colorBand[i].getExtent()); |
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} |
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geoFile = colorBand[0];
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extentOrig = extent; |
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if (fnames.length >= 3 || geoFile.getBandCount()>2) { |
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setBand(GeoRasterFile.RED_BAND, 0);
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setBand(GeoRasterFile.GREEN_BAND, 1);
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setBand(GeoRasterFile.BLUE_BAND, 2);
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} else {
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setBand(GeoRasterFile.RED_BAND|GeoRasterFile.GREEN_BAND|GeoRasterFile.BLUE_BAND, 0);
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} |
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} |
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public PxRaster(GeoRasterFile eFile, ImageObserver component, Extent view) { |
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geoFile = eFile;//loadECW(fname);
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geoFile.setUpdatable((Component) component);
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setProjection(geoFile.getProjection()); |
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this.component = component;
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setExtent(geoFile.getExtent()); |
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geoFile.setView(view); //geoFile.getExtent());
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extentOrig = extent; |
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if (geoFile.getBandCount()>2) { |
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setBand(GeoRasterFile.RED_BAND, 0);
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setBand(GeoRasterFile.GREEN_BAND, 1);
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setBand(GeoRasterFile.BLUE_BAND, 2);
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} else {
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setBand(GeoRasterFile.RED_BAND|GeoRasterFile.GREEN_BAND|GeoRasterFile.BLUE_BAND, 0);
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} |
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} |
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public int getBandCount() { return geoFile.getBandCount(); } |
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public GeoRasterFile [] getFiles() { |
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if (colorBand != null) |
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return colorBand;
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GeoRasterFile [] ret = {geoFile};
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return ret;
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} |
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/**
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* Asocia un colorBand al rojo, verde o azul.
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* @param flag cual (o cuales) de las bandas.
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* @param nBand que colorBand
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*/
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public void setBand(int flag, int nBand) { |
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if (colorBand != null) { |
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if ((flag & GeoRasterFile.RED_BAND) == GeoRasterFile.RED_BAND)
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rBand = nBand; |
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else if ((flag & GeoRasterFile.GREEN_BAND) == GeoRasterFile.GREEN_BAND) |
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gBand = nBand; |
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else if ((flag & GeoRasterFile.BLUE_BAND) == GeoRasterFile.BLUE_BAND) |
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bBand = nBand; |
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} else
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geoFile.setBand(flag, nBand); |
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} |
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/**
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* Devuelve el colorBand activo en la banda especificada.
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* @param flag banda.
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*/
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public int getBand(int flag) { |
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if (colorBand != null) { |
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if (flag == GeoRasterFile.RED_BAND)
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return rBand;
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else if (flag == GeoRasterFile.GREEN_BAND) |
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return gBand;
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else if (flag == GeoRasterFile.BLUE_BAND) |
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return bBand;
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else
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return -1; |
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} else
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return geoFile.getBand(flag);
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} |
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public void setDrawBorder(boolean pm) { pintaMarco = pm; } |
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public String getFName() { |
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return geoFile.getName();
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} |
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/**
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* Devuelve la anchura total del fichero, en pixeles.
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* @return ancho en pixeles
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*/
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public int getFWidth() { |
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return geoFile.getWidth();
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} |
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/**
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* Devuelve la altura total del fichero, en pixeles.
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* @return alto en pixeles
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*/
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public int getFHeight() { |
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return geoFile.getHeight();
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} |
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public void setTransparency(boolean t) {geoFile.setTransparency(t);} |
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public void setTransparency(int t) {geoFile.setTransparency(t);} |
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public int getAlpha() { return geoFile.getAlpha(); } |
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public void setExtent(Extent e) { |
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super.extent = e;
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pts = new Vector(); |
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pts.add(proj.createPoint(e.minX(), e.minY())); |
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pts.add(proj.createPoint(e.maxX(), e.minY())); |
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pts.add(proj.createPoint(e.maxX(), e.maxY())); |
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pts.add(proj.createPoint(e.minX(), e.maxY())); |
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} |
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/**
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* Cambia la vista (viewport) sobre el raster.
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*
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* @param v
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* @param vName
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*/
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public void setView(Extent v, String vName) { |
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geoFile.setView(v); |
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this.vName = vName;
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} |
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/**
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* Obtiene la escala.
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*
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* @param width
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* @param height
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* @return
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*/
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public double[] getScale(int width, int height) { |
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double scale[] = new double[2]; |
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scale[0] = ((double) width) /geoFile.getView().width(); |
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scale[1] = ((double) height)/geoFile.getView().height(); |
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return scale;
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} |
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/**
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* 'Normaliza' la vista en funci?n del extent del raster.
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*
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* @param mat
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* @param sz
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*/
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protected void calculateNewView(Extent sz) { |
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double vx = sz.minX(), vy = sz.minY(), vx2 = sz.maxX(), vy2 = sz.maxY();
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if (sz.minX() < extent.minX()) vx = extent.minX();
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if (sz.minY() < extent.minY()) vy = extent.minY();
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if (sz.maxX() > extent.maxX()) vx2 = extent.maxX();
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if (sz.maxY() > extent.maxY()) vy2 = extent.maxY();
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if (colorBand != null) { // multiBands |
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for (int i=0; i<colorBand.length; i++) |
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colorBand[i].setView(new Extent(vx, vy, vx2, vy2));
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} else if (geoFile != null) { // Una sola banda |
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geoFile.setView(new Extent(vx, vy, vx2, vy2));
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} else { // no cargada |
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System.err.println("PxRaster.calculateNewView(): Foto no cargada."); |
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} |
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} |
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/**
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* Dibuja el raster
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*/
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public void draw(Graphics2D g, ViewPortData vp) { |
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Image geoImage = null; |
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long t2, t1 = new Date().getTime(); |
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System.out.println("PxRaster.draw(): vp.extent = "+ vp.getExtent()); |
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System.out.println("PxRaster.draw(): extent = "+ getExtent()); |
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if (vp.getExtent().minX()> extent.maxX()) return; |
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if (vp.getExtent().minY()> extent.maxY()) return; |
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if (vp.getExtent().maxX()< extent.minX()) return; |
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if (vp.getExtent().maxY()< extent.minY()) return; |
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calculateNewView(vp.getExtent()); |
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Extent v = geoFile.getView(); |
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double x = v.minX();
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double y = v.minY();
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double w = v.width();
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double h = v.height();
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System.out.println("Pinto PxRaster:" + v); |
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double scalex = vp.mat.getScaleX() /* g.getTransform().getScaleX()*/ , |
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scaley = vp.mat.getScaleY() /* g.getTransform().getScaleY() */;
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int wImg = (int) Math.abs(w*scalex)+1, hImg = (int) Math.abs(h*scaley)+1; |
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System.out.println("Sz=("+wImg+","+hImg+"); scale=("+scalex+","+scaley+")"); |
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if (wImg <= 0 || hImg <= 0) return; |
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Point2D.Double pt = new Point2D.Double(x, y+h); |
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try {
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System.out.println("Dibujando PxRaster: pt0 = "+pt); |
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vp.mat.transform(pt, pt); |
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System.out.println("Dibujando PxRaster: pt1 = "+pt); |
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if (colorBand == null && geoFile instanceof GdalFile && |
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(geoFile.getDataType() != DataBuffer.TYPE_BYTE)) {
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System.out.println("PxRaster: Has dado con un Raster de 16 bits"); |
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System.out.println("Dibujando PxRaster sz=("+wImg+","+hImg+"..."); |
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RasterBuf raster = ((GdalFile) geoFile).getRaster(wImg, hImg, rp); |
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t2 = new Date().getTime(); |
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System.out.println("Dibujando PxRaster: "+(t2-t1)/1000D+", secs. Obteniendo"); t1 = t2; |
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geoImage = renderizeRaster(raster); |
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t2 = new Date().getTime(); |
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System.out.println("Dibujando PxRaster: "+(t2-t1)/1000D+", secs. Filtrando/Renderizando");t1 = t2; |
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g.drawImage(geoImage, (int) Math.round(pt.getX()), (int) Math.round(pt.getY()), component); |
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t2 = new Date().getTime(); |
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System.out.println("Dibujando PxRaster: "+(t2-t1)/1000D+", secs. Dibujando"); |
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} else if (colorBand != null) { // multiBands |
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System.out.println("Dibujando PxRaster (Multifile) ..."); |
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//if (doTransparency)
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//geoImage = new BufferedImage(wImg, hImg, BufferedImage.TYPE_INT_ARGB);
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//else
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// geoImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
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geoImage = colorBand[rBand].updateImage(wImg, hImg, rp); //, geoImage, GeoRasterFile.RED_BAND);
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geoImage = colorBand[gBand].updateImage(wImg, hImg, rp, geoImage, GeoRasterFile.GREEN_BAND); |
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geoImage = colorBand[bBand].updateImage(wImg, hImg, rp, geoImage, GeoRasterFile.BLUE_BAND); |
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g.drawImage(geoImage, (int) Math.round(pt.getX()), (int) Math.round(pt.getY()), component); |
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t2 = new Date().getTime(); |
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System.out.println("Dibujando PxRaster: "+(t2-t1)/1000D+", secs."); |
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} else if (geoFile != null) { // Una sola banda |
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geoImage = geoFile.updateImage(wImg, hImg, rp); |
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System.out.println("Dibujando PxRaster sz=("+wImg+","+hImg+"..."); |
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g.drawImage(geoImage, (int) Math.round(pt.getX()), (int) Math.round(pt.getY()), component); |
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t2 = new Date().getTime(); |
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System.out.println("Dibujando PxRaster: "+(t2-t1)/1000D+", secs."); |
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} else { // no cargada |
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System.err.println("Dibujando PxRaster: Foto no cargada."); |
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} |
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} catch (Exception e) { |
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e.printStackTrace(); |
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}; |
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if (pintaMarco) {
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drawMarco(g, vp); |
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} |
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} |
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/**
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* Filtro para raster. Ancestro de todos los filtros.
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* @author Luis W. Sevilla (sevilla_lui@gva.es)
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*/
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abstract class RasterFilter { |
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protected RasterBuf raster = null; |
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protected int [] px = new int[3]; |
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private int height = 0; |
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private int width = 0; |
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public RasterFilter(RasterBuf raster) {
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this.raster = raster;
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height = raster.getHeight(); |
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width = raster.getWidth(); |
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} |
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public void execute() { |
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for (int y=0; y<height; y++) |
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for (int x=0; x<width; x++) { |
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process(x, y); |
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} |
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} |
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abstract public void process(int x, int y); |
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} |
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/**
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* Calcula el m?ximo y el m?nimo de un raster.
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* @author Luis W. Sevilla (sevilla_lui@gva.es)
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*/
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class ComputeMinMaxFilter extends RasterFilter { |
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private int [] min = {Integer.MAX_VALUE,Integer.MAX_VALUE,Integer.MAX_VALUE}; |
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private int [] max = {Integer.MIN_VALUE,Integer.MIN_VALUE,Integer.MIN_VALUE}; |
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public ComputeMinMaxFilter(RasterBuf raster, int [] min, int [] max) { |
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super(raster);
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this.raster = raster;
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this.min = new int[min.length]; |
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this.max = new int[max.length]; |
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for (int i=0; i<min.length; i++) { |
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this.min[i] = min[i];
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this.max[i] = max[i];
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} |
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execute(); |
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} |
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public void process(int x, int y) { |
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raster.getPixelShort(x, y, px); |
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for (int i=0; i<3; i++) { |
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min[i] = Math.min(min[i], px[i]);
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max[i] = Math.max(max[i], px[i]);
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} |
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} |
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public int getMin(int bandNr) { return min[bandNr]; } |
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public int getMax(int bandNr) { return max[bandNr]; } |
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} |
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/**
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* Realzado Lineal (Amplitude Rescaling).
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* @author Luis W. Sevilla (sevilla_lui@gva.es)
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*/
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class LinearEnhancementFilter extends RasterFilter { |
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private double [] scale = new double[3]; |
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private double [] offset = new double[3]; |
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public LinearEnhancementFilter(RasterBuf raster, int [] min, int [] max) { |
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super(raster);
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for (int i=0; i<3; i++) { |
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scale[i] = 255D/(max[i]-min[i]);
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offset[i] = (255D*min[i])/(min[i]-max[i]);
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} |
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execute(); |
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} |
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public void process(int x, int y) { |
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raster.getPixelShort(x, y, px); |
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px[0] = (((int) (((double)px[0])*scale[0] + offset[0])) & 0xff); |
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px[1] = (((int) (((double)px[1])*scale[1] + offset[1])) & 0xff); |
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px[2] = (((int) (((double)px[2])*scale[2] + offset[2])) & 0xff); |
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raster.setPixelShort(x, y, px); |
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} |
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} |
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/**
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* Renderiza el raster.
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* @author Luis W. Sevilla (sevilla_lui@gva.es)
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*/
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class RasterToImageFilter extends RasterFilter { |
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private BufferedImage image; |
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private int alpha; |
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private int rgb; |
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public RasterToImageFilter(RasterBuf raster, int a) { |
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super(raster);
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this.alpha = (a & 0xff) << 24; |
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image = new BufferedImage(raster.getWidth(), raster.getHeight(), BufferedImage.TYPE_INT_ARGB); |
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execute(); |
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} |
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|
| 431 |
/* (non-Javadoc)
|
| 432 |
* @see org.cresques.px.PxRaster.RasterFilter#process(int, int)
|
| 433 |
*/
|
| 434 |
public void process(int x, int y) { |
| 435 |
raster.getPixelShort(x, y, px); |
| 436 |
rgb = alpha | ((px[0] & 0xff) << 16) | |
| 437 |
((px[1] & 0xff) << 8) | (px[2] & 0xff); |
| 438 |
|
| 439 |
image.setRGB(x, y, rgb); |
| 440 |
} |
| 441 |
|
| 442 |
public Image getImage() { return image; } |
| 443 |
} |
| 444 |
|
| 445 |
public Image renderizeRaster(RasterBuf raster) { |
| 446 |
ComputeMinMaxFilter filter = |
| 447 |
new ComputeMinMaxFilter(raster, minBandValue, maxBandValue);
|
| 448 |
for (int i=0; i<3; i++) { |
| 449 |
minBandValue[i] = filter.getMin(i); |
| 450 |
maxBandValue[i] = filter.getMax(i); |
| 451 |
} |
| 452 |
|
| 453 |
LinearEnhancementFilter lEFilter = |
| 454 |
new LinearEnhancementFilter(raster, minBandValue, maxBandValue);
|
| 455 |
|
| 456 |
Image image = new RasterToImageFilter(raster, getAlpha()).getImage(); |
| 457 |
|
| 458 |
for (int i=0; i<3; i++) |
| 459 |
System.out.println(" Banda ["+i+"]: "+minBandValue[i]+"..."+maxBandValue[i]); |
| 460 |
return image;
|
| 461 |
} |
| 462 |
|
| 463 |
public void drawMarco(Graphics2D g, ViewPortData vp) { |
| 464 |
// Color color = new Color(255,222,165,128), fillColor = new Color(255,214,132,128);
|
| 465 |
Color color = new Color(128,128,128), fillColor = new Color(255,220,220,0x20); |
| 466 |
GeneralPath gp = newGP(vp);
|
| 467 |
g.setColor(fillColor); |
| 468 |
g.fill(gp); |
| 469 |
g.setColor(color); |
| 470 |
g.draw(gp); |
| 471 |
} |
| 472 |
|
| 473 |
private GeneralPath newGP(ViewPortData vp) { |
| 474 |
//if (gp != null) return;
|
| 475 |
GeneralPath gp = new GeneralPath(); |
| 476 |
Point2D.Double pt0 = new Point2D.Double(0.0, 0.0); |
| 477 |
Point2D.Double pt1 = new Point2D.Double(0.0, 0.0); |
| 478 |
Point2D.Double pt2 = new Point2D.Double(0.0, 0.0); |
| 479 |
Point2D.Double pt3 = new Point2D.Double(0.0, 0.0); |
| 480 |
vp.mat.transform((Point2D) pts.get(0), pt0); |
| 481 |
vp.mat.transform((Point2D) pts.get(1), pt1); |
| 482 |
vp.mat.transform((Point2D) pts.get(2), pt2); |
| 483 |
vp.mat.transform((Point2D) pts.get(3), pt3); |
| 484 |
// Aspa desde el extent
|
| 485 |
gp.moveTo( (float) pt0.getX(), (float) pt0.getY() ); |
| 486 |
gp.lineTo( (float) pt2.getX(), (float) pt2.getY() ); |
| 487 |
gp.moveTo( (float) pt1.getX(), (float) pt1.getY() ); |
| 488 |
gp.lineTo( (float) pt3.getX(), (float) pt3.getY() ); |
| 489 |
// Extent
|
| 490 |
gp.moveTo( (float) pt0.getX(), (float) pt0.getY() ); |
| 491 |
gp.lineTo( (float) pt1.getX(), (float) pt1.getY() ); |
| 492 |
gp.lineTo( (float) pt2.getX(), (float) pt2.getY() ); |
| 493 |
gp.lineTo( (float) pt3.getX(), (float) pt3.getY() ); |
| 494 |
if (extentOrig != extent) {
|
| 495 |
gp.lineTo( (float) pt0.getX(), (float) pt0.getY() ); |
| 496 |
Vector pts = new Vector(); |
| 497 |
pts.add(proj.createPoint(extentOrig.minX(), extentOrig.minY())); |
| 498 |
pts.add(proj.createPoint(extentOrig.maxX(), extentOrig.minY())); |
| 499 |
pts.add(proj.createPoint(extentOrig.maxX(), extentOrig.maxY())); |
| 500 |
pts.add(proj.createPoint(extentOrig.minX(), extentOrig.maxY())); |
| 501 |
|
| 502 |
vp.mat.transform((Point2D) pts.get(0), pt0); |
| 503 |
vp.mat.transform((Point2D) pts.get(1), pt1); |
| 504 |
vp.mat.transform((Point2D) pts.get(2), pt2); |
| 505 |
vp.mat.transform((Point2D) pts.get(3), pt3); |
| 506 |
gp.moveTo( (float) pt0.getX(), (float) pt0.getY() ); |
| 507 |
gp.lineTo( (float) pt1.getX(), (float) pt1.getY() ); |
| 508 |
gp.lineTo( (float) pt2.getX(), (float) pt2.getY() ); |
| 509 |
gp.lineTo( (float) pt3.getX(), (float) pt3.getY() ); |
| 510 |
} |
| 511 |
gp.closePath(); |
| 512 |
return gp;
|
| 513 |
} |
| 514 |
|
| 515 |
public IProjection getProjection() { return proj; } |
| 516 |
public void setProjection(IProjection p) { proj = p; } |
| 517 |
|
| 518 |
public void reProject(ICoordTrans rp) { |
| 519 |
this.rp = rp.getInverted();
|
| 520 |
System.out.println("PxRaster: reProject()"); |
| 521 |
//geoFile.reProject(rp);
|
| 522 |
Vector savePts = pts;
|
| 523 |
|
| 524 |
pts = new Vector(); |
| 525 |
extent = new Extent();
|
| 526 |
Point2D ptDest = null; |
| 527 |
for (int i=0; i<savePts.size(); i++) { |
| 528 |
ptDest = rp.getPDest().createPoint(0.0,0.0); |
| 529 |
ptDest = rp.convert((Point2D) savePts.get(i), ptDest);
|
| 530 |
pts.add(ptDest); |
| 531 |
extent.add(ptDest); |
| 532 |
} |
| 533 |
setProjection(rp.getPDest()); |
| 534 |
} |
| 535 |
} |