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.geo;

import org.cresques.cts.ICoordTrans;

import org.cresques.cts.IDatum;

import org.cresques.cts.IProjection;

import org.cresques.px.Extent;

import java.awt.Graphics2D;

import java.awt.geom.AffineTransform;

import java.awt.geom.Point2D;

import java.awt.geom.Rectangle2D;

/**

 * Proyeccion de Gauss (Mapa de Portugal)

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

 */

public class Gauss extends Projection {

    static String name = "Gauss";

    static String abrev = "Gau";

    public Gauss(Ellipsoid eli) {

        super(eli);

        grid = new Graticule(this);

    }

    public String getAbrev() {

        return abrev;

    }

    public static Gauss getProjection(Ellipsoid eli) {

        return new Gauss(eli);

    }

    /**

     *

     */

    public static IProjection getProjectionByName(IDatum eli, String name) {

        if (name.indexOf("Ga") < 0) {

            return null;

        }

        return getProjection((Ellipsoid) eli);

    }

    /**

     *

     */

    public Point2D createPoint(double x, double y) {

        return new Point2D.Double(x, y);

    }

    /**

     *

     * @param uPt

     * @return

     */

    public Point2D toGeo(Point2D gaPt) {

        GeoPoint gPt = new GeoPoint();

        return toGeo(gaPt, gPt);

    }

    /**

     *

     * @param uPt

     * @param gPt

     * @return

     */

    public GeoPoint toGeo(Point2D gaPt, GeoPoint gPt) {

        return gPt;

    }

    /**

     *

     * @param gPt

     * @param uPt

     * @return

     */

    public Point2D fromGeo(Point2D gPt, Point2D gaPt) {

        return gaPt;

    }

    private void generateGrid(Graphics2D g, Extent extent, AffineTransform mat) {

        grid = new Graticule(this);

    }

    public void drawGrid(Graphics2D g, ViewPortData vp) {

        generateGrid(g, vp.getExtent(), vp.getMat());

        grid.setColor(gridColor);

        grid.draw(g, vp);

    }

    /* (non-Javadoc)

     * @see org.cresques.cts.IProjection#getScale(double, double, double, double)

     */

    public double getScale(double minX, double maxX, double width, double dpi) {

        // TODO Auto-generated method stub

        return -1D;

    }

        public ICoordTrans getCT(IProjection dest) {

                // TODO Auto-generated method stub

                return null;

        }

        public Rectangle2D getExtent(Rectangle2D extent, double scale, double wImage, double hImage, double changeUnits, double dpi) {

                // TODO Auto-generated method stub

                return null;

        }

        public String getFullCode() {

                return getAbrev();

        }

}