Application: gvSIG desktop

/**********************************************************************

* $Id: SidToTif.java 1188 2005-01-25 13:15:10Z igbrotru $

*

* Name:     SidToTif.java

* Project:  

* Purpose:  Convierte una im?gen MrSID en Tiff utilizando para la lectura

*                          el wrapper jni-mrsid y para la escritura jni-gdal. Para el 

*                          funcionamiento de este ejemplo es necesaria tambien la libreria

*                          jmrsid.dll/libjmrsid.so.x.x.x as? como las librerias de mrsid. 

* Author:   Nacho Brodin, brodin_ign@gva.es

*

**********************************************************************/

/*Copyright (C) 2004  Nacho Brodin <brodin_ign@gva.es>

This program is free software; you can redistribute it and/or

modify it under the terms of the GNU General Public License

as published by the Free Software Foundation; either version 2

of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

GNU General Public License for more details.

You should have received a copy of the GNU General Public License

along with this program; if not, write to the Free Software

Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/

import es.gva.cit.jmrsid.*;

import es.gva.cit.jgdal.*;

public class SidToTif {

        public static void main(String[] args){

           Gdal dset_dstno;

           GdalRasterBand rband=null;

           Gdal migdal=new Gdal();

           LTIImageReader img;

           LTIPixel pixel;

           int eColorSpace, nBands, eSampleType;

           int tamx=Integer.parseInt(args[1]);

           int tamy=Integer.parseInt(args[2]);

           int siz = tamx * tamy * 1;

           try{

                           img = new MrSIDImageReader(args[0]);

                           img.initialize();

                           int overviews=((MrSIDImageReader)img).getNumLevels()-1;

                           System.out.println("Overviews="+overviews);

                           System.out.println("Width="+img.getWidth());

                           System.out.println("Height="+img.getHeight());

                           System.out.println("Stripsheigth="+img.getStripHeight());

                           nBands=img.getNumBands();

                           System.out.println("NumBands="+nBands);

                           eColorSpace=img.getColorSpace();

                           System.out.println("ColorSpace="+eColorSpace);

                           eSampleType=img.getDataType();

                           System.out.println("DataType="+eSampleType);

                           pixel=new LTIPixel(eColorSpace, nBands, eSampleType);

                           int[] dimsAtMag=img.getDimsAtMag(0.5);

                           System.out.println("Dims At Mag 0,5="+dimsAtMag[0]+" "+dimsAtMag[1]);

                           //Acceso a la informaci?n de georeferenciaci?n

                           LTIGeoCoord geoc = img.getGeoCoord();

                       System.out.println("X="+geoc.getX());

                       System.out.println("Y="+geoc.getY());

                       System.out.println("XRes="+geoc.getXRes());

                       System.out.println("YRes="+geoc.getYRes());

                       System.out.println("XRot="+geoc.getXRot());

                       System.out.println("YRot="+geoc.getYRot());

                       //Fin de acceso a la informaci?n de georeferenciaci?n

                       System.out.println("************************************");

                           LTIScene scene=new LTIScene(0,0,tamx,tamy,1.0);

                           LTISceneBuffer buffer=new LTISceneBuffer(pixel,tamx,tamy,1);

                           ((LTIImageStage)img).read(scene,buffer);

                        GdalDriver drv=Gdal.getDriverByName("GTiff");

                          String[] params={"TILED=YES","PHOTOMETRIC=RGB","TFW=WORLDFILE"};

                          dset_dstno=drv.create("SiToTif.tif",tamx,tamy,3,Gdal.GDT_Byte,null);

                          GdalBuffer b=new GdalBuffer();

                          b.buffByte=buffer.buf1;

                          rband=dset_dstno.getRasterBand(1);

                          rband.writeRaster(0,0, tamx, tamy, b,Gdal.GDT_Byte);

                          b.buffByte=buffer.buf2;

                          rband=dset_dstno.getRasterBand(2);

                          rband.writeRaster(0,0, tamx, tamy, b,Gdal.GDT_Byte);

                          b.buffByte=buffer.buf3;

                          rband=dset_dstno.getRasterBand(3);

                          rband.writeRaster(0,0, tamx, tamy, b,Gdal.GDT_Byte);

                          dset_dstno.close();

           }catch(Exception e){

                           e.printStackTrace();

           }

        }  

}