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.cover;

import java.io.BufferedReader;

import java.io.FileNotFoundException;

import java.io.FileReader;

import java.io.IOException;

import java.lang.Character;

import java.util.TreeMap;

import java.util.Iterator;

import java.util.Vector;

import org.cresques.geo.Ellipsoid;

import org.cresques.geo.UtmZone;

import org.cresques.px.Extent;

import org.cresques.px.IObjList;

import org.cresques.px.Minuteo;

import org.cresques.px.PxContour;

import org.cresques.px.PxObj;

import org.cresques.px.PxObjList;

import org.cresques.px.dxf.DxfSolid;

import org.cresques.px.dxf.DxfText;

/**

 * Calculos de hojas del Instituto Geogr?fico Nacional de Espa?a.

 * 

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

 */

class Ign {

        /* MTN50: En coordenadas geogr?ficas: ancho = 

         * 

         */

}

/**

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

 */

public class Mtn {

        public static Mtn25 mtn25 = new Mtn25();

        static Mtn50 mtn50 = Mtn.mtn25.getMtn50();

        public static TreeMap hoja25 = Mtn.mtn25.hoja;

        public static TreeMap hoja50 = Mtn.mtn50.hoja;

        UtmZone zone = null;

        String name = null;

        TreeMap hoja = null;

        private Minuteo min = null;

        public Minuteo getMinuteo() { return min; }

        protected void calcMinuteo() {

                System.out.println(name+": genero Minuteo");

                min = new Minuteo(zone);

                String hName;

                PxContour contour;

                Iterator keys;

                Hoja h = null;

                keys = hoja.keySet().iterator();

                while (keys.hasNext()) {

                        hName = (String) keys.next();

                        h = (Hoja) hoja.get(hName);

                        contour = new PxContour(h.getVertex(), hName);

                        contour.setColor(null);

                        min.add(contour);

                }

        }

        public static void parseLayer(PxObjList layer) {

                Mtn25.mtn25.parseLyr(layer);

        }

        public static Minuteo getMinuteo25() { return mtn25.getMinuteo(); }

        public static Minuteo getMinuteo50() { return mtn50.getMinuteo(); }

}

class Mtn50 extends Mtn {

        public Mtn50() {

                name = "MTN50";

                zone = UtmZone.getProjection(Ellipsoid.hayford, 30, UtmZone.NORTH);

                hoja = new TreeMap();

        }

}

class Mtn25 extends Mtn {

        String buf;

        //private TreeMap hojas25 = new TreeMap();

        BufferedReader fi;

        long l = 0;

        public Mtn25() {

                name = "MTN25";

                zone = UtmZone.getProjection(Ellipsoid.hayford, 30, UtmZone.NORTH);

                hoja = new TreeMap();

                /*String fname = "data/mtn25.txt";

                load(fname);

                calcMinuteo();*/

        }

        public Mtn50 getMtn50() {

                Mtn50 mtn50 = new Mtn50();

                Iterator keys = hoja.keySet().iterator();

                Hoja h = null, h50 = null;

                String code50;

                while (keys.hasNext()) {

                        h = (Hoja) hoja.get(keys.next());

                        //System.err.println("Hoja 25"+h.code);

                        code50 = h.code.split("-")[0];

                        if (mtn50.hoja.containsKey(code50)) {

                                h50 = (Hoja) mtn50.hoja.get(code50);

                                switch (Integer.parseInt(h.code.split("-")[1])) {

                                case 1: h50.setTL(h.tl); break;        

                                case 2: h50.setTR(h.tr); break;        

                                case 3: h50.setBL(h.bl); break;        

                                case 4: h50.setBR(h.br); break;        

                                }

                        } else

                                h50 = new Hoja(code50, h, null);

                        mtn50.hoja.put(code50, h50);                

                }

                mtn50.calcMinuteo();

                return mtn50;

        }

        public void load(String name) {

                try {

                        System.out.println("Cargando '"+name+"' ...");

                        fi = new BufferedReader(new FileReader(name));

                        while ((buf = fi.readLine()) != null) {

                                //System.out.println(buf);

                                l++;

                                parseLine(buf);

                        }

                        fi.close();

                        System.out.println("'"+name+"' cargado. ("+l+" l?neas).");

                } catch (FileNotFoundException e) {

                        e.printStackTrace();

                } catch (IOException ie) {

                        System.err.println("ERROR."+l+"lineas leidas");

                        ie.printStackTrace();

                }

        }

        void parseLine(String l) {

                //756-1,[(311114.0, 4337768.0), (325515.0, 4337434.0), (325309.0, 4328185.0), (310891.0, 4328519.0)]

                String [] field = l.split(",");

                field[1] = field[1].substring(1);

                field[8] = field[8].substring(0,field[8].length()-1);

                String name = field[0];

                String aux;

                double x,y;

                Vector pt = new Vector(); 

                for (int i=1; i<8; i+=2) {

                        x = Double.parseDouble(field[i].trim().substring(1));

                        aux = field[i+1].trim();

                        y = Double.parseDouble(aux.substring(0, aux.length()-1));

                        pt.add(zone.createPoint(x, y));

                }

                hoja.put(name, new Hoja(name, pt, ""));

                System.out.println(name);

        }

        /*

         * Genera las hojas del MTN25 a partir de una capa dxf.

         * Llena un TreeMap con las hojas, de manera que se pueden

         * obtener por su c?digo.

         */

        private void fillSolids(IObjList marcos, IObjList oList) {

                Iterator iter = oList.iterator();;

                while (iter.hasNext()) {

                        Object o = iter.next();

                        if (o instanceof IObjList) fillSolids(marcos, (IObjList) o);

                        else if (o instanceof DxfSolid) marcos.add((PxObj) o);

                }

        }

        private void fillTexts(IObjList textos, IObjList oList) {

                Iterator iter = oList.iterator();;

                while (iter.hasNext()) {

                        Object o = iter.next();

                        if (o instanceof IObjList) fillTexts(textos, (IObjList) o);

                        else if (o instanceof DxfText)

                                //if (Character.isDigit(((DxfText) o).getText().charAt(1)))

                                textos.add((Extent.Has) o);

                }

        }

        public void parseLyr(IObjList layer) {

                hoja = new TreeMap();

                PxObjList marcos = new PxObjList();

                PxObjList textos = new PxObjList();

                Iterator iter = null;

                // Lleno una lista con solids, otra con texts.

                System.out.println("layer: "+layer.size()+" objetos ("+layer.iterator().next()+")");

                fillSolids(marcos, layer);

                System.out.println("fillSolids: "+marcos.size()+" marcos");

                fillTexts(textos, layer);

                System.out.println("fillTexts: "+textos.size()+" textos");

                // Para cada text busco un solid. Si lo encuentro creo

                // una hoja con el solid y el text como name, la mento en

                // el TreeMap y saco el solid de marcos

                Hoja h = null;

                DxfText text = null;

                DxfSolid marco = null;

                IObjList select = null;

                iter = textos.iterator();

                while (iter.hasNext()) {

                        text = (DxfText) iter.next();

                        if (hoja.containsKey(text.getText())) continue;

                        if (!Character.isDigit(text.getText().split("-")[1].charAt(0))) continue;

                        select = marcos.getAt(text.getPt1());

                        if (select.size() >= 1) {

                                marco = (DxfSolid) select.iterator().next();

                                h = new Hoja(text.getText(), marco.getPts(), null);

                                h.setProjection(layer.getProjection());

                                hoja.put(text.getText(), h);

                                marcos.remove(marco);

                        } else {

                                // ERROR. No puede haber m?s de un marco por texto 

                        }

                }

                calcMinuteo();

                Mtn.mtn50 = Mtn.mtn25.getMtn50();

                Mtn.hoja25 = Mtn.mtn25.hoja;

                Mtn.hoja50 = Mtn.mtn50.hoja;

        }

}