root / trunk / applications / appgvSIG / src / com / iver / cit / gvsig / RasterizerLayer.java @ 2981
History | View | Annotate | Download (8.42 KB)
| 1 | 2183 | fernando | /*
|
|---|---|---|---|
| 2 | * Created on 17-feb-2004
|
||
| 3 | *
|
||
| 4 | * To change the template for this generated file go to
|
||
| 5 | * Window>Preferences>Java>Code Generation>Code and Comments
|
||
| 6 | */
|
||
| 7 | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
|
||
| 8 | *
|
||
| 9 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
|
||
| 10 | *
|
||
| 11 | * This program is free software; you can redistribute it and/or
|
||
| 12 | * modify it under the terms of the GNU General Public License
|
||
| 13 | * as published by the Free Software Foundation; either version 2
|
||
| 14 | * of the License, or (at your option) any later version.
|
||
| 15 | *
|
||
| 16 | * This program is distributed in the hope that it will be useful,
|
||
| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
| 19 | * GNU General Public License for more details.
|
||
| 20 | *
|
||
| 21 | * You should have received a copy of the GNU General Public License
|
||
| 22 | * along with this program; if not, write to the Free Software
|
||
| 23 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
|
||
| 24 | *
|
||
| 25 | * For more information, contact:
|
||
| 26 | *
|
||
| 27 | * Generalitat Valenciana
|
||
| 28 | * Conselleria d'Infraestructures i Transport
|
||
| 29 | * Av. Blasco Ib??ez, 50
|
||
| 30 | * 46010 VALENCIA
|
||
| 31 | * SPAIN
|
||
| 32 | *
|
||
| 33 | * +34 963862235
|
||
| 34 | * gvsig@gva.es
|
||
| 35 | * www.gvsig.gva.es
|
||
| 36 | *
|
||
| 37 | * or
|
||
| 38 | *
|
||
| 39 | * IVER T.I. S.A
|
||
| 40 | * Salamanca 50
|
||
| 41 | * 46005 Valencia
|
||
| 42 | * Spain
|
||
| 43 | *
|
||
| 44 | * +34 963163400
|
||
| 45 | * dac@iver.es
|
||
| 46 | */
|
||
| 47 | package com.iver.cit.gvsig; |
||
| 48 | |||
| 49 | import java.awt.Color; |
||
| 50 | import java.awt.Dimension; |
||
| 51 | import java.awt.Graphics2D; |
||
| 52 | import java.awt.geom.Rectangle2D; |
||
| 53 | import java.awt.image.BufferedImage; |
||
| 54 | |||
| 55 | import javax.swing.JProgressBar; |
||
| 56 | |||
| 57 | import org.cresques.io.Rasterizer; |
||
| 58 | import org.cresques.io.raster.RasterBuf; |
||
| 59 | import org.cresques.io.raster.RasterStats; |
||
| 60 | |||
| 61 | import com.iver.cit.gvsig.fmap.DriverException; |
||
| 62 | import com.iver.cit.gvsig.fmap.MapControl; |
||
| 63 | import com.iver.cit.gvsig.fmap.ViewPort; |
||
| 64 | import com.iver.cit.gvsig.fmap.layers.FLayers; |
||
| 65 | import com.iver.cit.gvsig.fmap.layers.FLyrRaster; |
||
| 66 | import com.iver.cit.gvsig.fmap.operations.Cancellable; |
||
| 67 | |||
| 68 | /**
|
||
| 69 | * @author Nacho Brodin <brodin_ign@gva.es>
|
||
| 70 | *
|
||
| 71 | * Sirve datos solicitados por los drivers que salvan a raster.
|
||
| 72 | * Hereda de Rasterizer y reescribe el m?todo readData que es el que
|
||
| 73 | * ser? llamado desde el driver cada vez que vacie el buffer y
|
||
| 74 | * necesite m?s datos.
|
||
| 75 | */
|
||
| 76 | public class RasterizerLayer extends Rasterizer{ |
||
| 77 | |||
| 78 | private ViewPort viewPort = null; |
||
| 79 | private ViewPort viewPortBlock = null; |
||
| 80 | private FLayers flayers = null; |
||
| 81 | private Color backgroundColor = null; |
||
| 82 | private JProgressBar progressBar = null; |
||
| 83 | private double incrProgressBar = 0; |
||
| 84 | private boolean firstRead = true; |
||
| 85 | private int nBlocks = 0; |
||
| 86 | |||
| 87 | /**
|
||
| 88 | * Calculo del viewPort
|
||
| 89 | * @param vp
|
||
| 90 | */
|
||
| 91 | private void calcViewPort(ViewPort vp){ |
||
| 92 | Rectangle2D ext = null; |
||
| 93 | |||
| 94 | if(viewPortBlock == null){ |
||
| 95 | 2385 | igbrotru | ext = new Rectangle2D.Double( vp.getExtent().getMinX(), |
| 96 | vp.getExtent().getMaxY()-wcIntervalo, |
||
| 97 | vp.getExtent().getWidth(), |
||
| 98 | wcIntervalo |
||
| 99 | 2183 | fernando | ); |
| 100 | }else{
|
||
| 101 | 2385 | igbrotru | ext = new Rectangle2D.Double( vp.getExtent().getMinX(), |
| 102 | vp.getExtent().getMinY()-wcIntervalo, |
||
| 103 | vp.getExtent().getWidth(), |
||
| 104 | wcIntervalo |
||
| 105 | 2183 | fernando | ); |
| 106 | } |
||
| 107 | |||
| 108 | viewPortBlock = new ViewPort(vp.getProjection());
|
||
| 109 | viewPortBlock.setExtent(ext); |
||
| 110 | viewPortBlock.setImageSize(dimension); |
||
| 111 | viewPortBlock.setScale(); |
||
| 112 | 2393 | nacho | //System.out.println("--->bloque="+contBlocks+" ImageHeight="+viewPortBlock.getImageHeight()+" ImageWidth="+viewPortBlock.getImageWidth());
|
| 113 | //System.out.println("--->minX="+viewPortBlock.getExtent().getMinX()+" minY="+viewPortBlock.getExtent().getMinY()+" maxX="+viewPortBlock.getExtent().getMaxX()+" maxY="+viewPortBlock.getExtent().getMaxY()+" width="+viewPortBlock.getExtent().getWidth()+" height="+viewPortBlock.getExtent().getHeight());
|
||
| 114 | 2183 | fernando | } |
| 115 | |||
| 116 | /**
|
||
| 117 | * Constructor
|
||
| 118 | * @param flyrs capas
|
||
| 119 | * @param vp viewport
|
||
| 120 | * @param sizeBlock altura del bloque que se lee de una vez en la imagen de entrada
|
||
| 121 | * @param mapCtrl Mapcontrol
|
||
| 122 | */
|
||
| 123 | public RasterizerLayer(FLayers flyrs, ViewPort vp, int sizeBlock, MapControl mapCtrl){ |
||
| 124 | super(sizeBlock);
|
||
| 125 | 2393 | nacho | //System.out.println("===>VP="+vp.getExtent().getMinX()+" "+vp.getExtent().getMinY()+" "+vp.getExtent().getMaxX()+" "+vp.getExtent().getMaxY());
|
| 126 | 2183 | fernando | backgroundColor = vp.getBackColor(); |
| 127 | viewPort = new ViewPort(vp.getProjection());
|
||
| 128 | viewPort.setImageSize(vp.getImageSize()); |
||
| 129 | viewPort.setExtent(vp.getExtent()); |
||
| 130 | |||
| 131 | //Calculo del viewPort del primer bloque
|
||
| 132 | |||
| 133 | wcAlto = viewPort.getExtent().getMaxY() - viewPort.getExtent().getMinY(); |
||
| 134 | 2385 | igbrotru | wcIntervalo = (sizeBlock*wcAlto)/viewPort.getImageHeight(); |
| 135 | 2183 | fernando | dimension = new Dimension(viewPort.getImageWidth(), sizeBlock); |
| 136 | |||
| 137 | nBlocks = (int)(vp.getImageHeight()/sizeBlock);
|
||
| 138 | 2385 | igbrotru | |
| 139 | 2183 | fernando | incrProgressBar = 100.0/((double)nBlocks); |
| 140 | 2393 | nacho | //System.out.println("===>NBLOCKS="+nBlocks+" INCR="+incrProgressBar);
|
| 141 | 2183 | fernando | |
| 142 | //Tama?o de ?ltimo bloque en pixeles
|
||
| 143 | 2385 | igbrotru | lastBlock = vp.getImageHeight()-(nBlocks*sizeBlock); |
| 144 | |||
| 145 | 2393 | nacho | //System.out.println("1--->SizeBlock="+sizeBlock+" ImageHeight="+viewPort.getImageHeight()+" ImageWidth="+viewPort.getImageWidth());
|
| 146 | //System.out.println("2--->wcAlto="+wcAlto+" wcIntervalo="+wcIntervalo);
|
||
| 147 | //System.out.println("3--->nBlocks="+nBlocks+" lastBlock="+lastBlock);
|
||
| 148 | //System.out.println("4--->minX="+viewPort.getExtent().getMinX()+" minY="+viewPort.getExtent().getMinY()+" maxX="+viewPort.getExtent().getMaxX()+" maxY="+viewPort.getExtent().getMaxY()+" width="+viewPort.getExtent().getWidth()+" height="+viewPort.getExtent().getHeight());
|
||
| 149 | 2385 | igbrotru | |
| 150 | calcViewPort(viewPort); |
||
| 151 | |||
| 152 | 2183 | fernando | this.flayers = flyrs;
|
| 153 | this.sizeBlock = sizeBlock;
|
||
| 154 | } |
||
| 155 | |||
| 156 | |||
| 157 | /* (non-Javadoc)
|
||
| 158 | * @see org.cresques.io.IDataWriter#readData(int, int, int)
|
||
| 159 | */
|
||
| 160 | public int[] readData(int sX, int sY, int nBand){ |
||
| 161 | if(nBand == 0){ //Con nBand==0 se devuelven las 3 bandas |
||
| 162 | image = new BufferedImage(sX, sY, BufferedImage.TYPE_INT_RGB); |
||
| 163 | g = (Graphics2D) image.getGraphics();
|
||
| 164 | BufferedImage img = new BufferedImage( viewPortBlock.getImageWidth(), |
||
| 165 | viewPortBlock.getImageHeight(), |
||
| 166 | BufferedImage.TYPE_INT_ARGB
|
||
| 167 | ); |
||
| 168 | g.setColor(backgroundColor); |
||
| 169 | g.fillRect(0, 0, viewPortBlock.getImageWidth(), viewPortBlock.getImageHeight()); |
||
| 170 | try{
|
||
| 171 | //Si es la primera lectura salvamos los valores de m?ximo y m?nimo para la aplicaci?n
|
||
| 172 | //de realce si la imagen es de 16 bits.
|
||
| 173 | if(firstRead){
|
||
| 174 | for(int i=0;i<flayers.getLayersCount();i++){ |
||
| 175 | if(flayers.getLayer(i) instanceof FLyrRaster){ |
||
| 176 | FLyrRaster raster = (FLyrRaster)flayers.getLayer(i); |
||
| 177 | if( raster.getSource().getDataType() == RasterBuf.TYPE_SHORT ||
|
||
| 178 | raster.getSource().getDataType() == RasterBuf.TYPE_USHORT){
|
||
| 179 | RasterStats stats = raster.getSource().getFilterStack().getStats(); |
||
| 180 | stats.history.add(stats.new History(raster.getName(), stats.minBandValue, stats.maxBandValue, stats.secondMinBandValue, stats.secondMaxBandValue)); |
||
| 181 | } |
||
| 182 | } |
||
| 183 | } |
||
| 184 | firstRead = false;
|
||
| 185 | } |
||
| 186 | |||
| 187 | flayers.draw(img, g, viewPortBlock,new Cancellable() {
|
||
| 188 | public boolean isCanceled() { |
||
| 189 | return false; |
||
| 190 | } |
||
| 191 | 2526 | caballero | },flayers.getFMap().getScaleView()); |
| 192 | 2183 | fernando | |
| 193 | //Si es el ?ltimo bloque vaciamos el historial de m?ximos y m?nimos
|
||
| 194 | if((contBlocks+1)==nBlocks){ |
||
| 195 | for(int i=0;i<flayers.getLayersCount();i++){ |
||
| 196 | if(flayers.getLayer(i) instanceof FLyrRaster){ |
||
| 197 | FLyrRaster raster = (FLyrRaster)flayers.getLayer(i); |
||
| 198 | if( raster.getSource().getDataType() == RasterBuf.TYPE_SHORT ||
|
||
| 199 | raster.getSource().getDataType() == RasterBuf.TYPE_USHORT){
|
||
| 200 | raster.getSource().getFilterStack().getStats().history.clear(); |
||
| 201 | RasterStats stats = raster.getSource().getFilterStack().getStats(); |
||
| 202 | } |
||
| 203 | } |
||
| 204 | } |
||
| 205 | } |
||
| 206 | |||
| 207 | |||
| 208 | }catch (DriverException e) {
|
||
| 209 | e.printStackTrace(); |
||
| 210 | } |
||
| 211 | rasterData = image.getRGB(0, 0, sX, sY, rasterData, 0, sX); |
||
| 212 | |||
| 213 | //Calculamos el viewPort del sgte bloque
|
||
| 214 | |||
| 215 | if(((contBlocks+1)*sizeBlock)<=viewPort.getImageHeight()){ |
||
| 216 | dimension = new Dimension(sX, sY); |
||
| 217 | } |
||
| 218 | else{ //Calculo de la altura del ?ltimo bloque |
||
| 219 | dimension = new Dimension(sX, (int)(viewPort.getImageHeight()-(contBlocks*sizeBlock))); |
||
| 220 | wcIntervalo = (lastBlock*wcAlto)/viewPort.getImageHeight(); |
||
| 221 | } |
||
| 222 | |||
| 223 | calcViewPort(viewPortBlock); |
||
| 224 | |||
| 225 | if(progressBar != null) |
||
| 226 | progressBar.setValue((int)Math.round(progressBar.getValue()+incrProgressBar)); |
||
| 227 | |||
| 228 | contBlocks++; |
||
| 229 | return rasterData;
|
||
| 230 | } |
||
| 231 | |||
| 232 | return null; |
||
| 233 | } |
||
| 234 | |||
| 235 | /**
|
||
| 236 | * Asigna la barra de progreso
|
||
| 237 | * @param bar Barra de progreso
|
||
| 238 | */
|
||
| 239 | public void setProgressBar(JProgressBar bar){ |
||
| 240 | this.progressBar = bar;
|
||
| 241 | //progressBar.setValue((int)Math.round(incrProgressBar));
|
||
| 242 | } |
||
| 243 | } |