Application: gvSIG desktop » gvSIG projections

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * 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 3

 * 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., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.cresques.cts;

import org.cresques.geo.ViewPortData;

import java.awt.Color;

import java.awt.Graphics2D;

import java.awt.geom.Point2D;

import java.awt.geom.Rectangle2D;

import org.gvsig.tools.lang.Cloneable;

/**

 *

 * @author "Luis W. Sevilla" (sevilla_lui@gva.es)

 */

public interface IProjection extends Cloneable{

    public IDatum getDatum();

    public Point2D createPoint(double x, double y);

    // TODO Quitar si no son necesarias.

    public String getAbrev();

    /**

     * Devuelve getAbrev() mas los parametros de transformacion si los hay

     * ej.: (EPSG:23030:proj@+proj...@...)

     * 

     * @return getAbrev() o getAbrev()+parametros

     */

    public String getFullCode();

    public void drawGrid(Graphics2D g, ViewPortData vp);

    public void setGridColor(Color c);

    public Color getGridColor();

    /**

     * Crea un ICoordTrans para transformar coordenadas

     * desde el IProjection actual al dest.

     * @param dest

     * @return

     */

    public ICoordTrans getCT(IProjection dest);

    public Point2D toGeo(Point2D pt);

    public Point2D fromGeo(Point2D gPt, Point2D mPt);

    public boolean isProjected();

    /**

     * First two parameters must be in meters.

     * This should be changed (map units should be used) and then

     * change the places where this method is used.

     * 

     * @param minX in meters

     * @param maxX in meters

     * @param width in pixels (dots)

     * @param dpi dots per inch

     * @return Scale denominator ( the "X" in "1 : X" )

     */

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

    public Rectangle2D getExtent(Rectangle2D extent,double scale,double wImage,double hImage,double mapUnits,double distanceUnits,double dpi);

}