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/*

 * Creado el 05-ago-2004

 */

package org.cresques.cts.gt2;

import java.awt.Color;

import java.awt.Graphics2D;

import java.awt.geom.Point2D;

import org.cresques.cts.IDatum;

import org.cresques.cts.IProjection;

import org.cresques.geo.GeoPoint;

import org.cresques.geo.ViewPortData;

import org.geotools.cs.CoordinateSystem;

import org.geotools.cs.CoordinateSystemFactory;

import org.geotools.cs.GeographicCoordinateSystem;

import org.geotools.cs.ProjectedCoordinateSystem;

/**

 * Sistema de Coordenadas (Proyecci?n).

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

 */

public class CoordSys implements IProjection {

        protected CoordinateSystemFactory csFactory = CoordinateSystemFactory.getDefault();

        protected CSDatum datum = null;

        protected GeographicCoordinateSystem geogCS = null;

        protected ProjectedCoordinateSystem projCS = null;

        protected String abrev = "";

        private static final Color basicGridColor = new Color(64,64,64,128);

        Color gridColor = basicGridColor;

        public CoordSys(CSDatum datum) {

                this.datum = datum;

        }

        /**

         * Crea un nuevo CoordSys geogr?fico a partir de uno proyectado.

         * Si el actual es geogr?fico retorna el mismo.

         * @return

         */

        public CoordSys toGeo() {

                CoordSys coordSys = new CoordSys((CSDatum)getDatum());

                if (geogCS != null)

                        coordSys.geogCS = this.geogCS;

                else

                        coordSys.geogCS = projCS.getGeographicCoordinateSystem();

                return coordSys;

        }

        public IDatum getDatum() {

                return datum;

        }

        public CoordinateSystem getCS() {

                if (projCS != null) return projCS;

                return geogCS;

        }

        public CoordinateSystem getGeogCS() {

                if (geogCS != null) return geogCS;

                return projCS.getGeographicCoordinateSystem();

        }

        /* (no Javadoc)

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

         */

        public Point2D createPoint(double x, double y) {

                return new Point2D.Double(x,y);

        }

        public String toString() {

                if (projCS != null) return projCS.toString();

                return geogCS.toString();

        }

        public void setAbrev(String abrev) { this.abrev = abrev; }

        public String getAbrev() {         return abrev; }

        /* (no Javadoc)

         * @see org.cresques.cts.IProjection#drawGrid(java.awt.Graphics2D, org.cresques.geo.ViewPortData)

         */

        public void drawGrid(Graphics2D g, ViewPortData vp) {

                // TODO Ap?ndice de m?todo generado autom?ticamente

        }

        public void setGridColor(Color c) { gridColor = c;}

        public Color getGridColor() { return gridColor;        }

        /* (no Javadoc)

         * @see org.cresques.cts.IProjection#toGeo(java.awt.geom.Point2D)

         */

        public GeoPoint toGeo(Point2D pt) {

                // TODO Ap?ndice de m?todo generado autom?ticamente

                return null;

        }

        /* (no Javadoc)

         * @see org.cresques.cts.IProjection#fromGeo(java.awt.geom.Point2D, java.awt.geom.Point2D)

         */

        public Point2D fromGeo(Point2D gPt, Point2D mPt) {

                // TODO Ap?ndice de m?todo generado autom?ticamente

                return null;

        }

}