Application: gvSIG desktop

/*

 * Created on 24-jul-2004

 */

package org.cresques.cts;

import java.util.ArrayList;

import java.util.Iterator;

import java.util.Map;

import java.util.TreeMap;

import org.cresques.cts.gt2.CSDatum;

import org.cresques.cts.gt2.CSGaussPt;

import org.cresques.cts.gt2.CSLambertCC;

import org.cresques.cts.gt2.CSUTM;

import org.cresques.cts.gt2.CoordSys;

/**

 * Pool de proyeccions (cs+datum) conocidas.

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

 */

public class ProjectionPool {

        static TreeMap data = null;

        static {

                CoordSys cs = null;

                data = new TreeMap();

                cs = (new CSUTM(CSDatum.ed50, 30)).toGeo();

                cs.setAbrev("ed50geo");

                data.put(cs.getAbrev(), cs);

                cs = new CSUTM(CSDatum.ed50, 30);

                cs.setAbrev("23030");

                data.put(cs.getAbrev(), cs);

                data.put("gt2utm30", cs);

                data.put("ed50utm30", cs);

                cs = new CSUTM(CSDatum.ed50, 29);

                cs.setAbrev("23029");

                data.put(cs.getAbrev(), cs);

                data.put("gt2utm29", cs);

                data.put("ed50utm29", cs);

                cs = new CSUTM(CSDatum.ed50, 31);

                cs.setAbrev("23031");

                data.put(cs.getAbrev(), cs);

                data.put("gt2utm31", cs);

                data.put("ed50utm31", cs);

                cs = (new CSUTM(CSDatum.wgs84, 30)).toGeo();

                cs.setAbrev("4326");

                data.put(cs.getAbrev(), cs);

                data.put("wgs84geo", cs);

                cs = new CSUTM(CSDatum.wgs84, 28);

                cs.setAbrev("2054");

                data.put(cs.getAbrev(), cs);

                data.put("wgs84utm28", cs);

                cs = new CSUTM(CSDatum.wgs84, 29);

                cs.setAbrev("2056");

                data.put(cs.getAbrev(), cs);

                data.put("wgs84utm29", cs);

                cs = new CSUTM(CSDatum.wgs84, 30);

                cs.setAbrev("2058");

                data.put(cs.getAbrev(), cs);

                data.put("wgs84utm30", cs);

                cs = new CSUTM(CSDatum.wgs84, 31);

                cs.setAbrev("2060");

                data.put(cs.getAbrev(), cs);

                data.put("wgs84utm31", cs);

                cs = new CSUTM(CSDatum.wgs84, 32);

                cs.setAbrev("2062");

                data.put(cs.getAbrev(), cs);

                data.put("wgs84utm32", cs);

                cs = CSGaussPt.hgd73;

                cs.setAbrev("GT2hgd73");

                data.put(cs.getAbrev(), cs);

                cs = new CSLambertCC(CSDatum.nad27, -105D, 49D, 49D, 77D);

                cs.setAbrev("LCCCan");

                data.put(cs.getAbrev(), cs);

        }

        /**

         * Mete una nueva proyeccion en la Pool.

         * @param name abreviatura de la proyecccion (i.e. ed50utm30)

         * @param proj Proyeccion

         */

        public static void add(String name, IProjection proj) {

                data.put(name, proj);

        }

        /**

         * Devuelve una proyeccion a partir de una cadena.

         * @param name abreviatura de la proyecccion (i.e. ed50utm30)

         * @return Proyeccion si existe

         */

        public static IProjection get(String name) {

                IProjection proj = null;

                if (ProjectionPool.data.containsKey(name))

                        proj = (IProjection) ProjectionPool.data.get(name);

                else

                        System.err.println("ProjectionPool: Key '"+name+"' not set.");

                return proj;

        }

        public static Iterator iterator() {

                ArrayList projs = new ArrayList();

                Iterator iter = data.entrySet().iterator();

                while (iter.hasNext()) {

                        projs.add(((Map.Entry) iter.next()).getValue());

                }

                return projs.iterator();

        }

        /**

         * Devuelve una proyeccion a partir de un codig epsg.

         * @param name codigo de la proyecccion (i.e. 23030)

         * @return Proyeccion si existe

         */

        private static IProjection getByEpsg(String name) {

                IProjection proj = null;

                return proj;

        }

}