svn-gvsig-desktop / tags / v1_1_Build_1010 / libraries / libCq_CMS_praster / src / org / cresques / io / MemoryRasterDriver.java @ 12804
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/*
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* Cresques Mapping Suite. Graphic Library for constructing mapping applications.
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*
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* Copyright (C) 2004-5.
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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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* For more information, contact:
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*
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* cresques@gmail.com
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*/
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package org.cresques.io; |
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import java.awt.Image; |
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import java.awt.geom.Point2D; |
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import java.awt.image.BufferedImage; |
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import org.cresques.cts.ICoordTrans; |
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import org.cresques.io.data.BandList; |
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import org.cresques.io.data.RasterBuf; |
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import org.cresques.io.datastruct.Metadata; |
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import org.cresques.io.exceptions.NotSupportedExtensionException; |
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import org.cresques.io.exceptions.SupersamplingNotSupportedException; |
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import org.cresques.px.Extent; |
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/**
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* Driver to read data from memory. This can be created with a RasterBuf
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* and its bounding box.
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* @author Nacho Brodin (nachobrodin@gmail.com)
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*
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*/
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public class MemoryRasterDriver extends GeoRasterFile { |
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protected Extent v = null; |
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protected RasterBuf buf = null; |
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public MemoryRasterDriver(){
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super(null, null); |
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} |
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/**
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* Constructor
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* @param buf Data buffer
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* @param ext bounding box
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* @throws NotSupportedExtensionException
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*/
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public MemoryRasterDriver(RasterBuf buf, Extent ext)throws NotSupportedExtensionException{ |
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super(null, null); |
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this.extent = this.requestExtent = ext; |
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this.buf = buf;
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this.name = ""; |
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load(); |
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bandCount = buf.getBandCount(); |
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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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//Obtenemos el tipo de dato de gdal y lo convertimos el de RasterBuf
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setDataType(org.cresques.util.Utilities.getRasterBufTypeFromGdalType(buf.getDataType())); |
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} |
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/**
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*
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*/
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public GeoFile load() {
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return this; |
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} |
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/**
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*
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*/
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public void close() { |
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} |
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/**
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* Asigna a cada banda R,G o B una banda de la imagen
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*/
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public void setBand(int flag, int bandNr) { |
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super.setBand(flag, bandNr);
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} |
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/**
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* Asigna el extent de la vista actual.
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*/
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public void setView(Extent e) { |
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v = new Extent(e.minX(), e.minY(), e.maxX(), e.maxY());
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} |
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/**
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* Calcula la transformaci?n que se produce sobre la vista cuando la imagen tiene un fichero .rmf
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* asociado. En Gdal el origen de coordenadas en Y es el valor m?nimo y crece hasta el m?ximo. De la
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* misma forma calcula la matriz de transformaci?n de la cabecera del fichero o del world file asociado
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* @param originX Origen de la imagen en la coordenada X
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* @param originY Origen de la imagen en la coordenada Y
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*/
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public void setExtentTransform(double originX, double originY, double psX, double psY) { |
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transformRMF.setToTranslation(originX, originY); |
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transformRMF.scale(psX, psY); |
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} |
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/**
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* Obtiene extent de la vista actual
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*/
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public Extent getView() {
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return v;
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} |
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/**
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* Obtiene la anchura del fichero
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*/
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public int getWidth() { |
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return buf.getWidth();
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} |
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/**
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* Obtiene la altura del fichero
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*/
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public int getHeight() { |
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return buf.getHeight();
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} |
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/* (non-Javadoc)
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* @see org.cresques.io.GeoRasterFile#reProject(org.cresques.cts.ICoordTrans)
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*/
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public void reProject(ICoordTrans rp) { |
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// TODO Auto-generated method stub
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} |
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/**
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* Obtiene la orientaci?n de la imagen a partir del signo del tama?o de pixel para poder
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* asignarlo en el setView. Esto es util para poder conocer como debe leerse la image,
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* de abajo a arriba, de arriba a abajo, de izquierda a derecha o de derecha a izquierda.
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* La posici?n habitual es la que el pixel size en X es positivo y en Y negativo leyendose
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* en este caso las X de menor a mayor y las Y de mayor a menor. Los casos posibles son:
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* <UL>
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* <LI><B>X > 0; Y < 0;</B> {true, false}</LI>
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* <LI><B>X > 0; Y > 0;</B> {true, true}</LI>
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* <LI><B>X < 0; Y > 0;</B> {false, true}</LI>
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* <LI><B>X < 0; Y < 0;</B> {false, false}</LI>
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* </UL>
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*
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* @return
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*/
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private boolean[] getOrientation(){ |
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boolean[] orientation = {true, false}; |
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return orientation;
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} |
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/* (non-Javadoc)
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* @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.cts.ICoordTrans)
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*/
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public Image updateImage(int width, int height, ICoordTrans rp) { |
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return null; |
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} |
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public RasterBuf getRaster(int width, int height, ICoordTrans rp) { |
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int line;
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RasterBuf raster = null;
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Point2D begin = worldToRaster(new Point2D.Double(v.minX(), v.maxY())); |
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Point2D end = worldToRaster(new Point2D.Double(v.maxX(), v.minY())); |
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//Comprobaciones
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if(begin.getX() < 0) |
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begin.setLocation(0, begin.getY());
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if(begin.getY() > buf.getHeight())
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begin.setLocation(begin.getX(), buf.getHeight()); |
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if(end.getY() < 0) |
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end.setLocation(begin.getX(), 0);
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if(end.getX() > buf.getWidth())
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begin.setLocation(buf.getWidth(), begin.getY()); |
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int alpha = (getAlpha() & 0xff) << 24; |
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try {
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//Esta funci?n se usa para la renderizaci?n, por eso se crean 4 bandas a pi?on fijo
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raster = new RasterBuf(getDataType(), width, height, 4, true); |
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setBand(RED_BAND, rBandNr); |
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setBand(GREEN_BAND, gBandNr); |
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setBand(BLUE_BAND, bBandNr); |
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double w = Math.abs(end.getX() - begin.getX()); |
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double h = Math.abs(end.getY() - begin.getY()); |
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double stepX = w / ((double)width); |
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double stepY = h / ((double)height); |
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int endLine = (((int)end.getY() + 1) < buf.getHeight()) ? ((int)end.getY() + 1) : buf.getHeight(); |
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int endCol = (((int)end.getX() + 1) < buf.getWidth()) ? ((int)end.getX() + 1) : buf.getWidth(); |
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double initY = begin.getY() - (int)begin.getY(); |
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double initX = begin.getX() - (int)begin.getX(); |
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switch(getDataType()){
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case RasterBuf.TYPE_BYTE:
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//writeRasterBufByte(begin, end, alpha, raster, width, height, w, h, stepX, stepY, endLine, endCol, initY, initX);
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break;
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case RasterBuf.TYPE_SHORT:;
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writeRasterBufShort(begin, end, alpha, raster, width, height, w, h, stepX, stepY, endLine, endCol, initY, initX); |
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break;
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case RasterBuf.TYPE_INT:
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writeRasterBufInt(begin, end, alpha, raster, width, height, w, h, stepX, stepY, endLine, endCol, initY, initX); |
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break;
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case RasterBuf.TYPE_FLOAT:
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writeRasterBufFloat(begin, end, alpha, raster, width, height, w, h, stepX, stepY, endLine, endCol, initY, initX); |
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break;
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case RasterBuf.TYPE_DOUBLE:
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writeRasterBufDouble(begin, end, alpha, raster, width, height, w, h, stepX, stepY, endLine, endCol, initY, initX); |
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break;
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case RasterBuf.TYPE_UNDEFINED:break; |
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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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return raster;
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} |
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private void writeRasterBufShort(Point2D begin, Point2D end, int alpha, RasterBuf rb, int widthImg, int heightImg, |
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double w, double h, double stepX, double stepY, int endLine, int endCol, double l, double initX){ |
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short[][][] pRGBArray = new short[4][(int)Math.ceil(h) + 1][(int)Math.ceil(w) + 1]; |
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int x = 0, y = 0; |
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for (int line = (int)begin.getY(); line < endLine ; line ++) { |
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x = 0;
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for (int col = (int)begin.getX(); col < endCol; col ++){ |
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pRGBArray[0][y][x] = buf.getElemShort(line, col, rBandNr);
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pRGBArray[1][y][x] = buf.getElemShort(line, col, gBandNr);
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pRGBArray[2][y][x] = buf.getElemShort(line, col, bBandNr);
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pRGBArray[3][y][x] = (short)alpha; |
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x ++; |
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} |
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y ++; |
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} |
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for (int line = 0; line < heightImg; line ++) { |
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double c = initX;
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for (int col = 0; col < widthImg; col ++){ |
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try{
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for(int band = 0; band < 4; band ++) |
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rb.setElemShort(line, col, band, pRGBArray[band][(int)l][(int)c]); |
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}catch(ArrayIndexOutOfBoundsException e){} |
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c += stepX; |
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} |
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l += stepY; |
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} |
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} |
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private void writeRasterBufInt(Point2D begin, Point2D end, int alpha, RasterBuf rb, int widthImg, int heightImg, |
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double w, double h, double stepX, double stepY, int endLine, int endCol, double l, double initX){ |
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int[][][] pRGBArray = new int[4][(int)Math.ceil(h) + 1][(int)Math.ceil(w) + 1]; |
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int x = 0, y = 0; |
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for (int line = (int)begin.getY(); line < endLine ; line ++) { |
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x = 0;
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for (int col = (int)begin.getX(); col < endCol; col ++){ |
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pRGBArray[0][y][x] = buf.getElemInt(line, col, rBandNr);
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pRGBArray[1][y][x] = buf.getElemInt(line, col, gBandNr);
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pRGBArray[2][y][x] = buf.getElemInt(line, col, bBandNr);
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pRGBArray[3][y][x] = (short)alpha; |
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x ++; |
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} |
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y ++; |
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} |
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for (int line = 0; line < heightImg; line ++) { |
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double c = initX;
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for (int col = 0; col < widthImg; col ++){ |
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try{
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for(int band = 0; band < 4; band ++) |
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rb.setElemInt(line, col, band, pRGBArray[band][(int)l][(int)c]); |
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}catch(ArrayIndexOutOfBoundsException e){} |
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c += stepX; |
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} |
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l += stepY; |
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} |
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} |
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private void writeRasterBufFloat(Point2D begin, Point2D end, int alpha, RasterBuf rb, int widthImg, int heightImg, |
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double w, double h, double stepX, double stepY, int endLine, int endCol, double l, double initX){ |
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float[][][] pRGBArray = new float[4][(int)Math.ceil(h) + 1][(int)Math.ceil(w) + 1]; |
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int x = 0, y = 0; |
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for (int line = (int)begin.getY(); line < endLine ; line ++) { |
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x = 0;
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for (int col = (int)begin.getX(); col < endCol; col ++){ |
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pRGBArray[0][y][x] = buf.getElemFloat(line, col, rBandNr);
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pRGBArray[1][y][x] = buf.getElemFloat(line, col, gBandNr);
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pRGBArray[2][y][x] = buf.getElemFloat(line, col, bBandNr);
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pRGBArray[3][y][x] = (float)alpha; |
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x ++; |
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} |
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y ++; |
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} |
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for (int line = 0; line < heightImg; line ++) { |
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double c = initX;
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for (int col = 0; col < widthImg; col ++){ |
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try{
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for(int band = 0; band < 4; band ++) |
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rb.setElemFloat(line, col, band, pRGBArray[band][(int)l][(int)c]); |
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}catch(ArrayIndexOutOfBoundsException e){} |
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c += stepX; |
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} |
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l += stepY; |
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} |
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} |
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private void writeRasterBufDouble(Point2D begin, Point2D end, int alpha, RasterBuf rb, int widthImg, int heightImg, |
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double w, double h, double stepX, double stepY, int endLine, int endCol, double l, double initX){ |
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double[][][] pRGBArray = new double[4][(int)Math.ceil(h) + 1][(int)Math.ceil(w) + 1]; |
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int x = 0, y = 0; |
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for (int line = (int)begin.getY(); line < endLine ; line ++) { |
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x = 0;
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for (int col = (int)begin.getX(); col < endCol; col ++){ |
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pRGBArray[0][y][x] = buf.getElemDouble(line, col, rBandNr);
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pRGBArray[1][y][x] = buf.getElemDouble(line, col, gBandNr);
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pRGBArray[2][y][x] = buf.getElemDouble(line, col, bBandNr);
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pRGBArray[3][y][x] = (float)alpha; |
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x ++; |
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} |
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y ++; |
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} |
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for (int line = 0; line < heightImg; line ++) { |
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double c = initX;
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for (int col = 0; col < widthImg; col ++){ |
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try{
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for(int band = 0; band < 4; band ++) |
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rb.setElemDouble(line, col, band, pRGBArray[band][(int)l][(int)c]); |
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}catch(ArrayIndexOutOfBoundsException e){} |
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c += stepX; |
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} |
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l += stepY; |
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} |
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} |
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/**
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* Asigna al objeto Image los valores con los dato de la imagen contenidos en el
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* vector de enteros.
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* @param image imagen con los datos actuales
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* @param startX inicio de la posici?n en X dentro de la imagen
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* @param startY inicio de la posici?n en X dentro de la imagen
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* @param w Ancho de la imagen
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* @param h Alto de la imagen
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* @param rgbArray vector que contiene la banda que se va a sustituir
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* @param offset desplazamiento
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* @param scansize tama?o de imagen recorrida por cada p
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*/
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protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, |
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int offset, int scansize) { |
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image.setRGB(startX, startY, w, h, rgbArray, offset, scansize); |
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} |
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/**
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* Asigna al objeto Image la mezcla entre los valores que ya tiene y los valores
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* con los dato de la imagen contenidos en el vector de enteros. De los valores RGB
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* que ya contiene se mantienen las bandas que no coinciden con el valor de flags. La
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* banda correspondiente a flags es sustituida por los datos del vector.
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* @param image imagen con los datos actuales
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* @param startX inicio de la posici?n en X dentro de la imagen
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* @param startY inicio de la posici?n en X dentro de la imagen
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* @param w Ancho de la imagen
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* @param h Alto de la imagen
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* @param rgbArray vector que contiene la banda que se va a sustituir
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* @param offset desplazamiento
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* @param scansize tama?o de imagen recorrida por cada paso
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* @param flags banda que se va a sustituir (Ctes de GeoRasterFile)
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*/
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protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, |
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int offset, int scansize, int flags) { |
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int [] line = new int[rgbArray.length]; |
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image.getRGB(startX, startY, w, h, line, offset, scansize); |
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if (flags == GeoRasterFile.RED_BAND)
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for (int i=0; i<line.length; i++) |
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line[i] = (line[i] & 0x0000ffff) | (rgbArray[i] & 0xffff0000); |
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else if (flags == GeoRasterFile.GREEN_BAND) |
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for (int i=0; i<line.length; i++) |
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line[i] = (line[i] & 0x00ff00ff) | (rgbArray[i] & 0xff00ff00); |
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else if (flags == GeoRasterFile.BLUE_BAND) |
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for (int i=0; i<line.length; i++) |
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line[i] = (line[i] & 0x00ffff00) | (rgbArray[i] & 0xff0000ff); |
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image.setRGB(startX, startY, w, h, line, offset, scansize); |
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} |
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/**
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* Asigna al objeto Image la mezcla entre los valores que ya tiene y los valores
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* con los dato de la imagen contenidos en el vector de enteros. De los valores RGB
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* que ya contiene se mantienen las bandas que no coinciden con el valor de flags. La
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* banda correspondiente a flags es sustituida por los datos del vector.
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* @param image imagen con los datos actuales
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| 409 |
* @param startX inicio de la posici?n en X dentro de la imagen
|
| 410 |
* @param startY inicio de la posici?n en X dentro de la imagen
|
| 411 |
* @param w Ancho de la imagen
|
| 412 |
* @param h Alto de la imagen
|
| 413 |
* @param rgbArray vector que contiene la banda que se va a sustituir
|
| 414 |
* @param offset desplazamiento
|
| 415 |
* @param scansize tama?o de imagen recorrida por cada paso
|
| 416 |
* @param origBand Banda origen del GeoRasterFile
|
| 417 |
* @param destBandFlag banda que se va a sustituir (Ctes de GeoRasterFile)
|
| 418 |
*/
|
| 419 |
protected void setRGBLine(BufferedImage image, int startX, int startY, int w, int h, int[] rgbArray, |
| 420 |
int offset, int scansize, int origBand, int destBandFlag) { |
| 421 |
int [] line = new int[rgbArray.length]; |
| 422 |
image.getRGB(startX, startY, w, h, line, offset, scansize); |
| 423 |
if (origBand == 0 && destBandFlag == GeoRasterFile.RED_BAND) |
| 424 |
for (int i=0; i<line.length; i++) |
| 425 |
line[i] = (line[i] & 0x0000ffff) | (rgbArray[i] & 0xffff0000); |
| 426 |
else if (origBand == 1 && destBandFlag == GeoRasterFile.GREEN_BAND) |
| 427 |
for (int i=0; i<line.length; i++) |
| 428 |
line[i] = (line[i] & 0x00ff00ff) | (rgbArray[i] & 0xff00ff00); |
| 429 |
else if (origBand == 2 && destBandFlag == GeoRasterFile.BLUE_BAND) |
| 430 |
for (int i=0; i<line.length; i++) |
| 431 |
line[i] = (line[i] & 0x00ffff00) | (rgbArray[i] & 0xff0000ff); |
| 432 |
|
| 433 |
else if (origBand == 0 && destBandFlag == GeoRasterFile.GREEN_BAND) |
| 434 |
for (int i=0; i<line.length; i++) |
| 435 |
line[i] = (line[i] & 0xffff00ff) | ((rgbArray[i] & 0x00ff0000) >> 8) ; |
| 436 |
else if (origBand == 0 && destBandFlag == GeoRasterFile.BLUE_BAND) |
| 437 |
for (int i=0; i<line.length; i++) |
| 438 |
line[i] = (line[i] & 0xffffff00) | ((rgbArray[i] & 0x00ff0000) >> 16); |
| 439 |
else if (origBand == 1 && destBandFlag == GeoRasterFile.RED_BAND) |
| 440 |
for (int i=0; i<line.length; i++) |
| 441 |
line[i] = (line[i] & 0xff00ffff) | ((rgbArray[i] & 0x0000ff00) << 8); |
| 442 |
|
| 443 |
else if (origBand == 1 && destBandFlag == GeoRasterFile.BLUE_BAND) |
| 444 |
for (int i=0; i<line.length; i++) |
| 445 |
line[i] = (line[i] & 0xffffff00) | ((rgbArray[i] & 0x0000ff00) >> 8); |
| 446 |
else if (origBand == 2 && destBandFlag == GeoRasterFile.RED_BAND) |
| 447 |
for (int i=0; i<line.length; i++) |
| 448 |
line[i] = (line[i] & 0xff00ffff) | ((rgbArray[i] & 0x000000ff) << 16); |
| 449 |
else if (origBand == 2 && destBandFlag == GeoRasterFile.GREEN_BAND) |
| 450 |
for (int i=0; i<line.length; i++) |
| 451 |
line[i] = (line[i] & 0xffff00ff) | ((rgbArray[i] & 0x000000ff) << 8); |
| 452 |
image.setRGB(startX, startY, w, h, line, offset, scansize); |
| 453 |
} |
| 454 |
|
| 455 |
/* (non-Javadoc)
|
| 456 |
* @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.cts.ICoordTrans, java.awt.Image, int, int)
|
| 457 |
*/
|
| 458 |
public Image updateImage(int width, int height, ICoordTrans rp, Image img, int origBand, int destBandFlag)throws SupersamplingNotSupportedException{ |
| 459 |
int pRGBArray[] = null; |
| 460 |
|
| 461 |
if(width<=0)width=1; |
| 462 |
if(height<=0)height=1; |
| 463 |
Point2D begin = worldToRaster(new Point2D.Double(v.minX(), v.maxY())); |
| 464 |
Point2D end = worldToRaster(new Point2D.Double(v.maxX(), v.minY())); |
| 465 |
|
| 466 |
//Comprobaciones
|
| 467 |
if(begin.getX() < 0) |
| 468 |
begin.setLocation(0, begin.getY());
|
| 469 |
if(begin.getY() > buf.getHeight())
|
| 470 |
begin.setLocation(begin.getX(), buf.getHeight()); |
| 471 |
if(end.getY() < 0) |
| 472 |
end.setLocation(begin.getX(), 0);
|
| 473 |
if(end.getX() > buf.getWidth())
|
| 474 |
begin.setLocation(buf.getWidth(), begin.getY()); |
| 475 |
|
| 476 |
int alpha = (getAlpha() & 0xff) << 24; |
| 477 |
|
| 478 |
//TODO: Falta orientaci?n
|
| 479 |
try {
|
| 480 |
setBand(RED_BAND, rBandNr); |
| 481 |
setBand(GREEN_BAND, gBandNr); |
| 482 |
setBand(BLUE_BAND, bBandNr); |
| 483 |
if(img!=null){ |
| 484 |
writeImage(begin, end, alpha, origBand, destBandFlag, img, width, height, true);
|
| 485 |
return img;
|
| 486 |
}else{
|
| 487 |
Image image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); |
| 488 |
writeImage(begin, end, alpha, origBand, destBandFlag, image, width, height, false);
|
| 489 |
return image;
|
| 490 |
} |
| 491 |
} catch (Exception e) { |
| 492 |
e.printStackTrace(); |
| 493 |
} |
| 494 |
|
| 495 |
return img;
|
| 496 |
} |
| 497 |
|
| 498 |
private void writeImage(Point2D begin, Point2D end, int alpha, int origBand, int destBandFlag, |
| 499 |
Image img, int widthImg, int heightImg, boolean existsImg){ |
| 500 |
double w = Math.abs(end.getX() - begin.getX()); |
| 501 |
double h = Math.abs(end.getY() - begin.getY()); |
| 502 |
double stepX = w / ((double)widthImg); |
| 503 |
double stepY = h / ((double)heightImg); |
| 504 |
|
| 505 |
int x = 0, y = 0; |
| 506 |
int[][] pRGBArray = new int[(int)Math.ceil(h) + 1][(int)Math.ceil(w) + 1]; |
| 507 |
int endLine = (((int)end.getY() + 1) < buf.getHeight()) ? ((int)end.getY() + 1) : buf.getHeight(); |
| 508 |
int endCol = (((int)end.getX() + 1) < buf.getWidth()) ? ((int)end.getX() + 1) : buf.getWidth(); |
| 509 |
if(buf.getDataType() == RasterBuf.TYPE_BYTE){
|
| 510 |
for (int line = (int)begin.getY(); line < endLine ; line ++) { |
| 511 |
x = 0;
|
| 512 |
for (int col = (int)begin.getX(); col < endCol; col ++){ |
| 513 |
int value = (alpha +
|
| 514 |
((buf.getElemByte(line, col, rBandNr)& 0xff) << 16) + |
| 515 |
((buf.getElemByte(line, col, gBandNr)& 0xff) << 8) + |
| 516 |
(buf.getElemByte(line, col, bBandNr)& 0xff));
|
| 517 |
pRGBArray[y][x] = value; |
| 518 |
x++; |
| 519 |
} |
| 520 |
y++; |
| 521 |
} |
| 522 |
int[] rgbImgLine = new int[widthImg]; |
| 523 |
double l = begin.getY() - (int)begin.getY(); |
| 524 |
double initX = begin.getX() - (int)begin.getX(); |
| 525 |
for (int line = 0; line < heightImg; line ++) { |
| 526 |
double c = initX;
|
| 527 |
for (int col = 0; col < widthImg; col ++){ |
| 528 |
try{
|
| 529 |
rgbImgLine[col] = pRGBArray[(int)l][(int)c]; |
| 530 |
}catch(ArrayIndexOutOfBoundsException e){} |
| 531 |
c += stepX; |
| 532 |
} |
| 533 |
if(existsImg)
|
| 534 |
setRGBLine((BufferedImage) img, 0, line, widthImg, 1, rgbImgLine, 0, widthImg, origBand, destBandFlag); |
| 535 |
else
|
| 536 |
setRGBLine((BufferedImage) img, 0, line, widthImg, 1, rgbImgLine, 0, widthImg); |
| 537 |
l += stepY; |
| 538 |
} |
| 539 |
|
| 540 |
} |
| 541 |
} |
| 542 |
|
| 543 |
/* (non-Javadoc)
|
| 544 |
* @see org.cresques.io.GeoRasterFile#getData(int, int, int)
|
| 545 |
*/
|
| 546 |
public Object getData(int x, int y, int band) { |
| 547 |
if(buf.getDataType() == RasterBuf.TYPE_BYTE){
|
| 548 |
return new Byte(buf.getElemByte(y, x, band)); |
| 549 |
}else if(buf.getDataType() == RasterBuf.TYPE_SHORT){ |
| 550 |
return new Short(buf.getElemShort(y, x, band)); |
| 551 |
}else if(buf.getDataType() == RasterBuf.TYPE_INT){ |
| 552 |
return new Integer(buf.getElemInt(y, x, band)); |
| 553 |
}else if(buf.getDataType() == RasterBuf.TYPE_FLOAT){ |
| 554 |
return new Float(buf.getElemFloat(y, x, band)); |
| 555 |
}else if(buf.getDataType() == RasterBuf.TYPE_DOUBLE){ |
| 556 |
return new Double(buf.getElemDouble(y, x, band)); |
| 557 |
} |
| 558 |
return null; |
| 559 |
} |
| 560 |
|
| 561 |
/**
|
| 562 |
* Devuelve los datos de una ventana solicitada
|
| 563 |
* @param ulX coordenada X superior izda.
|
| 564 |
* @param ulY coordenada Y superior derecha.
|
| 565 |
* @param sizeX tama?o en X de la ventana.
|
| 566 |
* @param sizeY tama?o en Y de la ventana.
|
| 567 |
* @param band Banda solicitada.
|
| 568 |
*/
|
| 569 |
public byte[] getWindow(int ulX, int ulY, int sizeX, int sizeY, int band){ |
| 570 |
|
| 571 |
return null; |
| 572 |
} |
| 573 |
|
| 574 |
public RasterBuf getWindowRaster(double x, double y, double w, double h, BandList bandList, RasterBuf rasterBuf) { |
| 575 |
Extent selectedExtent = new Extent(x, y, x + w, y - h);
|
| 576 |
setView(selectedExtent); |
| 577 |
|
| 578 |
int width = 0; |
| 579 |
int height = 0; |
| 580 |
if(getTransform() != null){ |
| 581 |
width = (int)Math.abs(selectedExtent.width() / getTransform()[1]);//(int)(selectedExtent.width() * file.width) / extent.width(); |
| 582 |
height = (int)Math.abs(selectedExtent.height() / getTransform()[5]); |
| 583 |
}else{
|
| 584 |
width = (int)Math.abs(selectedExtent.width()); |
| 585 |
height = (int)Math.abs(selectedExtent.height()); |
| 586 |
} |
| 587 |
|
| 588 |
/*try {
|
| 589 |
file.readWindow(rasterBuf, bandList, x, y, width, height);
|
| 590 |
} catch (Exception e) {
|
| 591 |
e.printStackTrace();
|
| 592 |
}*/
|
| 593 |
|
| 594 |
return rasterBuf;
|
| 595 |
} |
| 596 |
|
| 597 |
/*
|
| 598 |
* (non-Javadoc)
|
| 599 |
* @see org.gvsig.fmap.driver.GeoRasterFile#getWindowRaster(double, double, double, double, int, int, org.gvsig.fmap.driver.BandList, org.gvsig.fmap.driver.IBuffer)
|
| 600 |
*/
|
| 601 |
public RasterBuf getWindowRaster(double minX, double minY, double maxX, double maxY, int bufWidth, int bufHeight, BandList bandList, RasterBuf rasterBuf) { |
| 602 |
Extent selectedExtent = new Extent(minX, minY, maxX, maxY);
|
| 603 |
setView(selectedExtent); |
| 604 |
|
| 605 |
double width = 0; |
| 606 |
double height = 0; |
| 607 |
if(getTransform() != null){ |
| 608 |
width = (double)(Math.abs(selectedExtent.width() / getTransform()[1]));//(int)(selectedExtent.width() * file.width) / extent.width(); |
| 609 |
height = (double)(Math.abs(selectedExtent.height() / getTransform()[5])); |
| 610 |
}else{
|
| 611 |
width = (double)Math.abs(selectedExtent.width()); |
| 612 |
height = (double)Math.abs(selectedExtent.height()); |
| 613 |
} |
| 614 |
|
| 615 |
/*try {
|
| 616 |
file.readWindow(rasterBuf, bandList, minX, maxY, maxX, minY, width, height, bufWidth, bufHeight);
|
| 617 |
} catch (Exception e) {
|
| 618 |
e.printStackTrace();
|
| 619 |
}*/
|
| 620 |
|
| 621 |
return rasterBuf;
|
| 622 |
} |
| 623 |
|
| 624 |
public RasterBuf getWindowRaster(int x, int y, int w, int h, BandList bandList, RasterBuf rasterBuf) { |
| 625 |
for(int iBand = 0; iBand < buf.getBandCount(); iBand ++){ |
| 626 |
int[] drawableBands = bandList.getBufferBandToDraw(null, iBand); |
| 627 |
if(drawableBands == null || (drawableBands.length == 1 && drawableBands[0] == -1)) |
| 628 |
continue;
|
| 629 |
if(buf.getDataType() == RasterBuf.TYPE_BYTE){
|
| 630 |
for(int drawBands = 0; drawBands < drawableBands.length; drawBands++){ |
| 631 |
for(int line = y; line < (y + h); line ++) |
| 632 |
for(int col = x; col < (x + w); col ++) |
| 633 |
rasterBuf.setElemByte((line - y), (col - x), drawableBands[drawBands], buf.getElemByte(line, col, drawableBands[drawBands])); |
| 634 |
} |
| 635 |
}else if(buf.getDataType() == RasterBuf.TYPE_SHORT){ |
| 636 |
for(int drawBands = 0; drawBands < drawableBands.length; drawBands++){ |
| 637 |
for(int line = y; line < (y + h); line ++) |
| 638 |
for(int col = x; col < (x + w); col ++) |
| 639 |
rasterBuf.setElemShort((line - y), (col - x), drawableBands[drawBands], buf.getElemShort(line, col, drawableBands[drawBands])); |
| 640 |
} |
| 641 |
}else if(buf.getDataType() == RasterBuf.TYPE_INT){ |
| 642 |
for(int drawBands = 0; drawBands < drawableBands.length; drawBands++){ |
| 643 |
for(int line = y; line < (y + h); line ++) |
| 644 |
for(int col = x; col < (x + w); col ++) |
| 645 |
rasterBuf.setElemInt((line - y), (col - x), drawableBands[drawBands], buf.getElemInt(line, col, drawableBands[drawBands])); |
| 646 |
} |
| 647 |
}else if(buf.getDataType() == RasterBuf.TYPE_FLOAT){ |
| 648 |
for(int drawBands = 0; drawBands < drawableBands.length; drawBands++){ |
| 649 |
for(int line = y; line < (y + h); line ++) |
| 650 |
for(int col = x; col < (x + w); col ++) |
| 651 |
rasterBuf.setElemFloat((line - y), (col - x), drawableBands[drawBands], buf.getElemFloat(line, col, drawableBands[drawBands])); |
| 652 |
} |
| 653 |
}else if(buf.getDataType() == RasterBuf.TYPE_DOUBLE){ |
| 654 |
for(int drawBands = 0; drawBands < drawableBands.length; drawBands++){ |
| 655 |
for(int line = y; line < (y + h); line ++) |
| 656 |
for(int col = x; col < (x + w); col ++) |
| 657 |
rasterBuf.setElemDouble((line - y), (col - x), drawableBands[drawBands], buf.getElemDouble(line, col, drawableBands[drawBands])); |
| 658 |
} |
| 659 |
} |
| 660 |
} |
| 661 |
return rasterBuf;
|
| 662 |
} |
| 663 |
|
| 664 |
public RasterBuf getWindowRasterWithNoData(double x, double y, double w, double h, BandList bandList, RasterBuf rasterBuf) { |
| 665 |
return null; |
| 666 |
} |
| 667 |
|
| 668 |
/**
|
| 669 |
* Obtiene la zona (Norte / Sur)
|
| 670 |
* @return true si la zona es norte y false si es sur
|
| 671 |
*/
|
| 672 |
|
| 673 |
public boolean getZone(){ |
| 674 |
return false; |
| 675 |
} |
| 676 |
|
| 677 |
/**
|
| 678 |
*Devuelve el n?mero de zona UTM
|
| 679 |
*@return N?mero de zona
|
| 680 |
*/
|
| 681 |
|
| 682 |
public int getUTM(){ |
| 683 |
return 0; |
| 684 |
} |
| 685 |
|
| 686 |
/**
|
| 687 |
* Obtiene el sistema de coordenadas geograficas
|
| 688 |
* @return Sistema de coordenadas geogr?ficas
|
| 689 |
*/
|
| 690 |
public String getGeogCS(){ |
| 691 |
return new String(""); |
| 692 |
} |
| 693 |
|
| 694 |
/**
|
| 695 |
* Devuelve el tama?o de bloque
|
| 696 |
* @return Tama?o de bloque
|
| 697 |
*/
|
| 698 |
public int getBlockSize(){ |
| 699 |
return 0; |
| 700 |
} |
| 701 |
|
| 702 |
/**
|
| 703 |
* Obtiene el objeto que contiene los metadatos
|
| 704 |
*/
|
| 705 |
public Metadata getMetadata() {
|
| 706 |
return null; |
| 707 |
} |
| 708 |
|
| 709 |
/**
|
| 710 |
* Obtiene el flag que dice si la imagen est? o no georreferenciada
|
| 711 |
* @return true si est? georreferenciada y false si no lo est?.
|
| 712 |
*/
|
| 713 |
public boolean isGeoreferenced() { |
| 714 |
return (this.extent != null); |
| 715 |
} |
| 716 |
|
| 717 |
/**
|
| 718 |
* Informa de si el driver ha supersampleado en el ?ltimo dibujado. Es el driver el que colocar?
|
| 719 |
* el valor de esta variable cada vez que dibuja.
|
| 720 |
* @return true si se ha supersampleado y false si no se ha hecho.
|
| 721 |
*/
|
| 722 |
public boolean isSupersampling() { |
| 723 |
return false; |
| 724 |
} |
| 725 |
|
| 726 |
/**
|
| 727 |
* Obtiene los par?metros de la transformaci?n af?n que corresponde con los elementos de
|
| 728 |
* un fichero tfw.
|
| 729 |
* <UL>
|
| 730 |
* <LI>[1]tama?o de pixel en X</LI>
|
| 731 |
* <LI>[2]rotaci?n en X</LI>
|
| 732 |
* <LI>[4]rotaci?n en Y</LI>
|
| 733 |
* <LI>[5]tama?o de pixel en Y</LI>
|
| 734 |
* <LI>[0]origen en X</LI>
|
| 735 |
* <LI>[3]origen en Y</LI>
|
| 736 |
* </UL>
|
| 737 |
* Este m?todo debe ser reimplementado por el driver si tiene esta informaci?n. En principio
|
| 738 |
* Gdal es capaz de proporcionarla de esta forma.
|
| 739 |
*
|
| 740 |
* En caso de que exista fichero .rmf asociado al raster pasaremos de la informaci?n de georreferenciaci?n
|
| 741 |
* del .tfw y devolveremos la que est? asociada al rmf
|
| 742 |
* @return vector de double con los elementos de la transformaci?n af?n.
|
| 743 |
*/
|
| 744 |
public double[] getTransform(){ |
| 745 |
return null; |
| 746 |
} |
| 747 |
|
| 748 |
/*
|
| 749 |
* (non-Javadoc)
|
| 750 |
* @see org.gvsig.fmap.driver.GeoRasterFile#rasterToWorld(java.awt.geom.Point2D)
|
| 751 |
*/
|
| 752 |
public Point2D rasterToWorld(Point2D pt) { |
| 753 |
double x = extent.minX() + ((pt.getX() * (extent.maxX() - extent.minX())) / ((double) buf.getWidth())); |
| 754 |
double y = extent.maxY() - ((pt.getY() * (extent.maxY() - extent.minY())) / ((double) buf.getHeight())); |
| 755 |
Point2D ptRes = new Point2D.Double(x, y); |
| 756 |
return ptRes;
|
| 757 |
} |
| 758 |
|
| 759 |
/*
|
| 760 |
* (non-Javadoc)
|
| 761 |
* @see org.gvsig.fmap.driver.GeoRasterFile#worldToRaster(java.awt.geom.Point2D)
|
| 762 |
*/
|
| 763 |
public Point2D worldToRaster(Point2D pt) { |
| 764 |
double x = (((double) buf.getWidth()) / (extent.maxX() - extent.minX())) * (pt.getX() - extent.minX()); |
| 765 |
double y = (((double) buf.getHeight()) / (extent.maxY() - extent.minY())) * (extent.maxY() - pt.getY()); |
| 766 |
Point2D ptRes = new Point2D.Double(x, y); |
| 767 |
return ptRes;
|
| 768 |
} |
| 769 |
|
| 770 |
/**
|
| 771 |
* @return Returns the dataType.
|
| 772 |
*/
|
| 773 |
public int getDataType() { |
| 774 |
return buf.getDataType();
|
| 775 |
} |
| 776 |
} |
| 777 |
|
| 778 |
|
| 779 |
|