Revision 3578 trunk/libraries/libCq CMS for java.old/src/org/cresques/io/GdalWriter.java
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*/ |
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package org.cresques.io; |
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import java.io.BufferedOutputStream; |
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import java.io.DataOutputStream; |
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import java.io.File; |
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import java.io.FileOutputStream; |
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import java.io.IOException; |
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import org.cresques.cts.IProjection; |
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import org.cresques.px.PxRaster; |
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import es.gva.cit.jecwcompress.EcwException; |
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import es.gva.cit.jgdal.Gdal; |
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import es.gva.cit.jgdal.GdalBuffer; |
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import es.gva.cit.jgdal.GeoTransform; |
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import es.gva.cit.jogr.OGRSpatialReference; |
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import org.cresques.px.PxRaster; |
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import java.io.IOException; |
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/** |
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* Driver para la escritura a trav?s de Gdal. |
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* Puede exportar un fichero de un formato a otro desde un GeoRasterFile |
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public class GdalWriter extends GeoRasterWriter {
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static {
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GeoRasterWriter.registerWriterExtension("tif", GdalWriter.class);
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GeoRasterWriter.registerWriterExtension("jpg", GdalWriter.class);
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GeoRasterWriter.registerWriterExtension("jpeg", GdalWriter.class);
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} |
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public final int windowSizeX = 386; |
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private Gdal dset_destino = null; |
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private GdalRasterBand rband = null; |
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private String drvType = null; //Tipo de driver |
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private String[] supportedDrv = { "GTiff" }; //Lista de drivers de escritura que soporta
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private String[] supportedDrv = { "GTiff", "JPEG" }; //Lista de drivers de escritura que soporta
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private GeoTransform geot = null; //Datos de georeferenciaci?n |
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private OGRSpatialReference oSRS; //Datos de proyecci?n |
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private GdalBuffer buf = null; //Buffer de origen de gdal |
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public GdalWriter(String drvType) {
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this.support = new GdalSupportOptions(drvType); |
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this.ident = this.drvType = drvType; |
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this.driver = "tif"; |
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if(drvType.equals("GTiff"))
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this.driver = "tif"; |
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else if(drvType.equals("JPEG"))
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this.driver = "jpg"; |
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this.support.setBlockSize(64); |
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this.support.setPhotometric("RGB");
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this.support.setInterleave("BAND");
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String drvType) throws GdalException, IOException {
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this.support = new GdalSupportOptions(drvType); |
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this.ident = this.drvType = drvType; |
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this.driver = "tif"; |
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if(drvType.equals("GTiff"))
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this.driver = "tif"; |
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else if(drvType.equals("JPEG"))
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this.driver = "jpg"; |
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this.outfilename = outfilename; |
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this.infilename = infilename; |
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this.currentRaster = raster; |
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nBands = currentRaster.getBandCount(); |
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this.support.setBlockSize(currentRaster.getBlockSize());
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this.support.setBlockSize(64/*currentRaster.getBlockSize()*/);
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if ((sizeWindowX < 0) || (sizeWindowY < 0)) {
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throw new IOException("Tama?o del fichero de salida erroneo.");
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throws GdalException, IOException {
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this.support = new GdalSupportOptions(drvType); |
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this.ident = this.drvType = drvType; |
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this.driver = "tif"; |
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if(drvType.equals("GTiff"))
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this.driver = "tif"; |
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else if(drvType.equals("JPEG"))
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this.driver = "jpg"; |
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this.dataWriter = dataWriter; |
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this.outfilename = outFilename; |
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} |
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//Obtenemos el driver y creamos el dataset del destino |
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drv = Gdal.getDriverByName(drvType); |
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drv = Gdal.getDriverByName(drvType); |
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/*try{
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drv = Gdal.getDriverByName("JPEG");
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Gdal src = new Gdal(); |
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src.open("/home/nacho/imagenes/q101866.tif", 0);
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drv.createCopy( "/home/nacho/outgvGIG.jpg", src, false ); |
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}catch(IOException e){}
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return;*/ |
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//System.out.println("++++++>"+params.length);
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//for(int i=0;i<params.length;i++)System.out.println("=====>"+params[i]);
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if (dset_destino != null) {
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dset_destino.close(); |
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dset_destino = null; |
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} |
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/** |
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* Realiza una copia en el formato especificado. |
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* @throws IOException |
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*/ |
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public static void createCopy(GdalDriver driverDst, String dst, String src, boolean bstrict, String[] params, IProjection proj) throws IOException, GdalException {
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if (dst == null || src == null) {
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throw new IOException("No se ha asignado un fichero de entrada.");
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} |
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GdalFile gdalFile = new GdalFile(proj, src); |
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driverDst.createCopy(dst, gdalFile.file, bstrict, params); |
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if(dst.endsWith(".jpg") || dst.endsWith(".jpeg"))
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GdalWriter.createWorldFile(dst, gdalFile); |
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gdalFile.close(); |
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} |
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/** |
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* Crea un fichero de georeferenciaci?n |
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* @param img |
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* @param name |
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* @return |
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* @throws IOException |
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*/ |
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private static void createWorldFile(String name, GdalFile gdalFile) throws IOException{
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File tfw = null; |
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String extWorldFile = ".wld"; |
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if(name.endsWith("tif"))
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extWorldFile = ".tfw"; |
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if(name.endsWith("jpg") || name.endsWith("jpeg"))
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extWorldFile = ".jpgw"; |
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tfw = new File(name.substring(0, name.lastIndexOf(".")) + extWorldFile);
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//Generamos un world file para gdal |
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DataOutputStream dos = new DataOutputStream( new BufferedOutputStream(new FileOutputStream(tfw)) ); |
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dos.writeBytes((gdalFile.getExtent().getMax().getX() - gdalFile.getExtent().getMin().getX())/gdalFile.getWidth()+"\n"); |
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dos.writeBytes("0.0\n");
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dos.writeBytes("0.0\n");
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dos.writeBytes((gdalFile.getExtent().getMax().getY() - gdalFile.getExtent().getMin().getY())/gdalFile.getHeight()+"\n"); |
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dos.writeBytes(""+gdalFile.getExtent().getMin().getX()+"\n");
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dos.writeBytes(""+gdalFile.getExtent().getMin().getY()+"\n");
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dos.close(); |
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} |
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/** |
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* Realiza la escritura de datos con los datos que le pasa el cliente. |
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* @throws IOException |
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*/ |
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