Application: gvSIG desktop

/*

 * Cresques Mapping Suite. Graphic Library for constructing mapping applications.

 *

 * Copyright (C) 2004-5.

 *

 * 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.

 *

 * For more information, contact:

 *

 * cresques@gmail.com

 */

package org.cresques.io;

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;

import java.awt.Dimension;

import java.awt.Image;

import java.awt.Point;

import java.io.IOException;

/**

 * 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 updateImage(width, height, rp) ;

    }

    /* (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 updateImage(width, height, rp) ;

    }

    /* (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;

    }

    public void setExtentTransform(double originX, double originY, double psX, double psY) {}

}