Revision 2669 branches/CqCMSDvp/libraries/libCq CMS for java.old/src/org/cresques/io/TrkFile.java
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/* |
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* Cresques Mapping Suite. Graphic Library for constructing mapping applications. |
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* |
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* Copyright (C) 2004-5. |
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* |
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* Copyright (C) 2004-5. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA. |
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* |
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* For more information, contact: |
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*
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* |
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* cresques@gmail.com |
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*/ |
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package org.cresques.io; |
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import org.cresques.cts.ICoordTrans; |
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import org.cresques.cts.IProjection; |
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import org.cresques.px.IObjList; |
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import org.cresques.px.PxObjList; |
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import org.cresques.px.gml.LineString; |
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import java.io.DataInputStream; |
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import java.io.EOFException; |
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import java.io.FileInputStream; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import org.cresques.cts.ICoordTrans; |
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import org.cresques.cts.IProjection; |
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import org.cresques.px.IObjList; |
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import org.cresques.px.PxObjList; |
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import org.cresques.px.gml.LineString; |
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/** |
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* @author luisw |
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*/ |
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public class TrkFile extends GeoFile {
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public class TrkFile extends GeoFile {
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private DataInputStream is; |
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long l = 0; |
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LineString line; |
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private DataInputStream is;
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long l = 0;
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LineString line;
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public TrkFile(IProjection proj, String name) {
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super(proj, name);
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}
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public TrkFile(IProjection proj, String name) {
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super(proj, name); |
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} |
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/* (no Javadoc) |
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* @see org.cresques.io.GeoFile#load() |
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*/ |
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public GeoFile load() {
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try {
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return load(new FileInputStream(name)); |
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} catch (NumberFormatException e) {
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// TODO Bloque catch generado autom?ticamente |
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e.printStackTrace(); |
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} catch (FileNotFoundException e) {
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// TODO Bloque catch generado autom?ticamente |
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e.printStackTrace(); |
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} catch (Exception e) {
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// TODO Bloque catch generado autom?ticamente |
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e.printStackTrace(); |
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} |
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return this; |
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} |
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public GeoFile load(InputStream is) throws NumberFormatException, Exception {
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System.out.println("Trk: Cargando '"+name+"' ...");
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this.is = new DataInputStream(is); |
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line = new LineString(); |
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while (readPoint()) {
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l++; |
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} |
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extent.add(line.getExtent()); |
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is.close(); |
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System.out.println("Trk: '"+name+"' cargado. ("+l+" puntos).");
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return this; |
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} |
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public boolean readPoint() {
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int h, m, s, sgn = 1; |
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double D, M, S; |
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double lat, lng; |
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try {
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h = is.readUnsignedByte(); |
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m = is.readUnsignedByte(); |
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s = is.readUnsignedByte(); |
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is.skipBytes(1); |
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D = is.readUnsignedByte(); |
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M = is.readByte(); |
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S = is.readUnsignedShort(); |
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S /= 1000.0; |
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if (M<0) {
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sgn = -1; |
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M *= -1; |
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} else sgn = 1; |
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lat = sgn * (D + (M/60D+S/3600D)); |
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D = is.readUnsignedByte(); |
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M = is.readByte(); |
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S = is.readUnsignedShort(); |
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S /= 1000.0; |
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if (M<0) {
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sgn = -1; |
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M *= -1; |
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} else sgn = 1; |
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lng = sgn * (D + (M/60D+S/3600D)); |
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line.add(proj.createPoint(lng, lat)); |
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} catch (EOFException eof) {
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return false; |
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} catch (IOException e) {
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// TODO Bloque catch generado autom?ticamente |
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e.printStackTrace(); |
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return false; |
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} |
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return true; |
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} |
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/* (no Javadoc) |
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* @see org.cresques.io.GeoFile#reProject(org.cresques.geo.ReProjection) |
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*/ |
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public IObjList getObjects() {
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IObjList oList = new PxObjList(proj); |
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oList.add(line); |
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return oList; |
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} |
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public void reProject(ICoordTrans rp) {
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line.reProject(rp); |
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setProjection(rp.getPDest()); |
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} |
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/* (non-Javadoc) |
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* @see org.cresques.io.GeoFile#close() |
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*/ |
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public void close() {
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// TODO Auto-generated method stub |
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} |
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/* (no Javadoc) |
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* @see org.cresques.io.GeoFile#load() |
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*/ |
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public GeoFile load() {
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try {
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return load(new FileInputStream(name)); |
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} catch (NumberFormatException e) {
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// TODO Bloque catch generado autom?ticamente |
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e.printStackTrace(); |
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} catch (FileNotFoundException e) {
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// TODO Bloque catch generado autom?ticamente |
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e.printStackTrace(); |
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} catch (Exception e) {
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// TODO Bloque catch generado autom?ticamente |
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e.printStackTrace(); |
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} |
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return this; |
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} |
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public GeoFile load(InputStream is) throws NumberFormatException, Exception {
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System.out.println("Trk: Cargando '" + name + "' ...");
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this.is = new DataInputStream(is); |
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line = new LineString(); |
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while (readPoint()) {
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l++; |
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} |
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extent.add(line.getExtent()); |
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is.close(); |
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System.out.println("Trk: '" + name + "' cargado. (" + l + " puntos).");
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return this; |
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} |
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public boolean readPoint() {
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int h; |
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int m; |
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int s; |
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int sgn = 1; |
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double D; |
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double M; |
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double S; |
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double lat; |
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double lng; |
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try {
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h = is.readUnsignedByte(); |
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m = is.readUnsignedByte(); |
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s = is.readUnsignedByte(); |
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is.skipBytes(1); |
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D = is.readUnsignedByte(); |
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M = is.readByte(); |
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S = is.readUnsignedShort(); |
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S /= 1000.0; |
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if (M < 0) {
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sgn = -1; |
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M *= -1; |
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} else {
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sgn = 1; |
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} |
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lat = sgn * (D + ((M / 60D) + (S / 3600D))); |
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D = is.readUnsignedByte(); |
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M = is.readByte(); |
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S = is.readUnsignedShort(); |
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S /= 1000.0; |
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if (M < 0) {
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sgn = -1; |
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M *= -1; |
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} else {
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sgn = 1; |
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} |
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lng = sgn * (D + ((M / 60D) + (S / 3600D))); |
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line.add(proj.createPoint(lng, lat)); |
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} catch (EOFException eof) {
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return false; |
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} catch (IOException e) {
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// TODO Bloque catch generado autom?ticamente |
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e.printStackTrace(); |
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return false; |
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} |
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return true; |
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} |
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/* (no Javadoc) |
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* @see org.cresques.io.GeoFile#reProject(org.cresques.geo.ReProjection) |
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*/ |
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public IObjList getObjects() {
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IObjList oList = new PxObjList(proj); |
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oList.add(line); |
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return oList; |
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} |
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public void reProject(ICoordTrans rp) {
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line.reProject(rp); |
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setProjection(rp.getPDest()); |
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} |
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/* (non-Javadoc) |
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* @see org.cresques.io.GeoFile#close() |
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*/ |
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public void close() {
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// TODO Auto-generated method stub |
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} |
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} |
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