Application: gvSIG desktop

/*

 * Created on 16-jun-2004

 */

package org.cresques.io;

import java.awt.Dimension;

import java.awt.Image;

import java.awt.Point;

import java.io.IOException;

import org.cresques.cts.ICoordTrans;

import org.cresques.cts.IProjection;

import org.cresques.geo.GeoPoint;

import org.cresques.geo.Geodetic;

import org.cresques.geo.ProjPoint;

import org.cresques.geo.Projection;

import org.cresques.px.Extent;

/**

 * Soporte para ficheros georeferenciados con World File (.tfw)

 * @author "Luis W. Sevilla" <sevilla_lui@gva.es>

 * @author "Jos? Morell Rama" <morell_josram@gva.es>

 */

public class TifGeoRefFile extends GeoRasterFile {

        geo.raster.GeoRasterFile geoRasterFile = null;

        Extent v = null;

        /**

         * @param name

         */

        public TifGeoRefFile(IProjection proj, String fName) {

                super(proj, null); // TODO aqui van las proyecciones

                fName = DataSource.normalize(fName);

                super.setName(fName);

                System.out.println("jmGeoRaster: "+fName);

                geoRasterFile = geo.raster.GeoRasterFile.createFile(fName);

                load();

        }

        /* (non-Javadoc)

         * @see org.cresques.io.GeoRasterFile#load()

         */

        public GeoFile load() {

                try {

                        geoRasterFile.open();

                        if (!(proj instanceof Geodetic) && (proj instanceof Projection) &&

                                geoRasterFile.getOriginX() >= -180.0 && geoRasterFile.getOriginX() <= 180.0) {

                                GeoPoint gPt = new GeoPoint(geoRasterFile.getOriginX(), geoRasterFile.getOriginY());

                                ProjPoint pt = (ProjPoint) getProjection().createPoint(0.0, 0.0);

                                pt = (ProjPoint) ((Geodetic)getProjection()).fromGeo(gPt, pt);

                                GeoPoint gPt2 = new GeoPoint(geoRasterFile.getOriginX()+geoRasterFile.getCellIncrementX(), geoRasterFile.getOriginY()+geoRasterFile.getCellIncrementY());

                                ProjPoint pt2 = (ProjPoint) ((Geodetic)getProjection()).createPoint(0.0, 0.0);

                                pt2 = (ProjPoint) ((Geodetic)getProjection()).fromGeo(gPt2, pt2);

                                geoRasterFile.setOriginX(pt.getX());

                                geoRasterFile.setOriginY(pt.getY());

                                geoRasterFile.setCellIncrementX(pt2.getX()-pt.getX());

                                geoRasterFile.setCellIncrementY(pt2.getY()-pt.getY());

                                //geoRasterFile.computeExtent();

                        }

                        extent = new Extent(geoRasterFile.getExtent());

                        System.out.println("jmGeoRaster: Extent="+extent);

                        geoRasterFile.setOriginRaster(new Point(0, 0));

                        geoRasterFile.setGraphics2Doffset(new Point(0, 0));

                } catch (IOException e) {

                        e.printStackTrace();

                        geoRasterFile = null;

                }

                return this;

        }

        public int getWidth() { return geoRasterFile.getWidth(); }

        public int getHeight() { return geoRasterFile.getHeight(); }

        /* (non-Javadoc)

         * @see org.cresques.io.GeoRasterFile#setView(org.cresques.px.Extent)

         */

        public void setView(Extent e) { v = new Extent(e); }

        public Extent getView() { return v; }

        /* (non-Javadoc)

         * @see org.cresques.io.GeoRasterFile#setTransparency(boolean)

         */

        public void setTransparency(boolean t) {

                //transparency = t;        

        }

        public void setTransparency(int t) {

                //transparency = t;        

        }

        /* (non-Javadoc)

         * @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.geo.ReProjection)

         */

        public Image updateImage(int width, int height, ICoordTrans rp) {

                double viewportScale = (double) width/v.width();

                Dimension sz = new Dimension(width, height);

                //return geoRasterFile.window(v.toRectangle2D(), viewportScale);

                return ((geo.raster.GeoRasterFile) geoRasterFile).updateImage(sz, v.toRectangle2D(), viewportScale);

        }

        /* (non-Javadoc)

         * @see org.cresques.io.GeoRasterFile#reProject(org.cresques.geo.ReProjection)

         */

        public void reProject(ICoordTrans rp) {

                // TODO Auto-generated method stub

        }

        /* (non-Javadoc)

         * @see org.cresques.io.GeoRasterFile#close()

         */

        public void close() {

        }

        /* (non-Javadoc)

         * @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.cts.ICoordTrans, java.awt.Image, int)

         */

        public Image updateImage(int width, int height, ICoordTrans rp, Image img, int flags) {

                // TODO Auto-generated method stub

                return null;

        }

        /* (non-Javadoc)

         * @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.cts.ICoordTrans, java.awt.Image, int)

         */

        public Image updateImage(int width, int height, ICoordTrans rp, Image img, int origBand, int destBand) {

                // TODO Auto-generated method stub

                return null;

        }

        /* (non-Javadoc)

         * @see org.cresques.io.GeoRasterFile#getData(int, int)

         */

        public Object getData(int x, int y, int band) {

                // TODO Auto-generated method stub

                return null;

        }

        public int getBlockSize(){

                return 0;

        }

        public byte[] getWindow(int ulX, int ulY, int sizeX, int sizeY, int band){

                return null;

        }

}