root / branches / v2_0_0_prep / applications / appgvSIG / src / org / gvsig / app / project / documents / view / toolListeners / MeasureListener.java @ 38605
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1 | 7771 | caballero | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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2 | *
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3 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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4 | *
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5 | * This program is free software; you can redistribute it and/or
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6 | * modify it under the terms of the GNU General Public License
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7 | * as published by the Free Software Foundation; either version 2
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8 | * of the License, or (at your option) any later version.
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9 | *
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10 | * This program is distributed in the hope that it will be useful,
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | * GNU General Public License for more details.
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14 | *
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15 | * You should have received a copy of the GNU General Public License
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16 | * along with this program; if not, write to the Free Software
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17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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18 | *
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19 | * For more information, contact:
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20 | *
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21 | * Generalitat Valenciana
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22 | * Conselleria d'Infraestructures i Transport
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23 | * Av. Blasco Ib??ez, 50
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24 | * 46010 VALENCIA
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25 | * SPAIN
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26 | *
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27 | * +34 963862235
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28 | * gvsig@gva.es
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29 | * www.gvsig.gva.es
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30 | *
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31 | * or
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32 | *
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33 | * IVER T.I. S.A
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34 | * Salamanca 50
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35 | * 46005 Valencia
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36 | * Spain
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37 | *
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38 | * +34 963163400
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39 | * dac@iver.es
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40 | */
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41 | 29596 | jpiera | package org.gvsig.app.project.documents.view.toolListeners; |
42 | 7771 | caballero | |
43 | import java.awt.geom.Point2D; |
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44 | import java.text.NumberFormat; |
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45 | |||
46 | 29596 | jpiera | import org.gvsig.andami.PluginServices; |
47 | 20994 | jmvivo | import org.gvsig.fmap.mapcontext.MapContext; |
48 | import org.gvsig.fmap.mapcontext.ViewPort; |
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49 | import org.gvsig.fmap.mapcontrol.MapControl; |
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50 | import org.gvsig.fmap.mapcontrol.tools.MeasureListenerImpl; |
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51 | import org.gvsig.fmap.mapcontrol.tools.Events.MeasureEvent; |
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52 | |||
53 | 7771 | caballero | |
54 | |||
55 | /**
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56 | 20098 | jmvivo | * <p>Listener for calculating distances using vertexes of a polyline, defined in the associated {@link MapControl MapControl}
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57 | * object, and displaying that information at the status bar of the application's main frame.</p>
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58 | 20334 | vcaballero | *
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59 | 20098 | jmvivo | * <p>Calculates and displays:
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60 | * <ul>
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61 | * <li>Distance of the last segment of the polyline.</li>
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62 | * <li>Accumulated distance of all segments of the polyline.</li>
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63 | * </ul>
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64 | * </p>
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65 | 7771 | caballero | *
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66 | 20098 | jmvivo | * @see MeasureListenerImpl
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67 | *
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68 | 7771 | caballero | * @author Vicente Caballero Navarro
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69 | */
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70 | public class MeasureListener extends MeasureListenerImpl { |
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71 | /**
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72 | 20098 | jmvivo | * <p>Creates a new listener for calculating distances using points of a polyline.</p>
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73 | 7771 | caballero | *
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74 | 20098 | jmvivo | * @param mc the <code>MapControl</code> where is calculated the length
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75 | 7771 | caballero | */
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76 | public MeasureListener(MapControl mc) {
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77 | super(mc);
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78 | } |
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79 | |||
80 | 20098 | jmvivo | /*
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81 | * (non-Javadoc)
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82 | * @see com.iver.cit.gvsig.fmap.tools.MeasureListenerImpl#points(com.iver.cit.gvsig.fmap.tools.Events.MeasureEvent)
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83 | 7771 | caballero | */
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84 | public void points(MeasureEvent event) { |
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85 | double dist = 0; |
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86 | double distAll = 0; |
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87 | |||
88 | ViewPort vp = mapCtrl.getMapContext().getViewPort(); |
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89 | |||
90 | Point2D p = new Point2D.Double(event.getXs()[0].doubleValue(),event.getYs()[0].doubleValue());//vp.toMapPoint(new Point(event.getXs()[0].intValue(),event.getYs()[0].intValue())); |
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91 | for (int i = 1; i < (event.getXs().length); i++) { |
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92 | Point2D p2 = new Point2D.Double(event.getXs()[i].doubleValue(), event.getYs()[i].doubleValue());// vp.toMapPoint(new Point(event.getXs()[i].intValue(),event.getYs()[i].intValue())); |
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93 | dist = vp.distanceWorld(p, p2); |
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94 | distAll += dist; |
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95 | p = p2; |
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96 | } |
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97 | |||
98 | //System.out.println("Distancia = " + dist + " Distancia Total = " +
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99 | // (distAll));
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100 | NumberFormat nf = NumberFormat.getInstance(); |
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101 | nf.setMaximumFractionDigits(2);
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102 | if (PluginServices.getMainFrame() != null) |
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103 | { |
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104 | 20334 | vcaballero | double[] trans2Meter=MapContext.getDistanceTrans2Meter(); |
105 | 7771 | caballero | PluginServices.getMainFrame().getStatusBar().setMessage("4",
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106 | 20334 | vcaballero | "Dist:" + nf.format(dist/trans2Meter[mapCtrl.getViewPort().getDistanceUnits()]) + ""); |
107 | 7771 | caballero | PluginServices.getMainFrame().getStatusBar().setMessage("5",
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108 | 20334 | vcaballero | "Total:" + nf.format(distAll/trans2Meter[mapCtrl.getViewPort().getDistanceUnits()]) + ""); |
109 | 7771 | caballero | } |
110 | } |
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111 | } |