Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/chart/HorizontalProfileChart.java @ 334:e37930705daa

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Changed the way of adding data to charts. Same parameters have one axis - not each parameter its own one. gnv-artifacts/trunk@400 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Mon, 07 Dec 2009 17:03:24 +0000
parents 22a6493e8460
children 07a64cfafdf1
rev   line source
298
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1 package de.intevation.gnv.chart;
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2
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3 import java.util.Collection;
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4 import java.util.Locale;
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5
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6 import com.vividsolutions.jts.geom.Point;
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7 import com.vividsolutions.jts.io.WKTReader;
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8 import com.vividsolutions.jts.io.ParseException;
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9
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10 import org.apache.log4j.Logger;
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11
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12 import org.jfree.chart.ChartTheme;
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13 import org.jfree.chart.plot.PlotOrientation;
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14 import org.jfree.data.general.Series;
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15 import org.jfree.data.xy.XYSeries;
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16
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17 import de.intevation.gnv.geobackend.base.Result;
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18 import de.intevation.gnv.utils.DistanceCalculator;
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20
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21 /**
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22 * @author Ingo Weinzierl <ingo.weinzierl@intevation.de>
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23 */
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24 public class HorizontalProfileChart
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25 extends VerticalProfileChart
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26 {
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27 private static Logger log = Logger.getLogger(HorizontalProfileChart.class);
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28
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29 private static WKTReader wktReader = new WKTReader();
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30 private Point lastPoint;
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31 private double distance;
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32
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33
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34 public HorizontalProfileChart(
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35 ChartLabels labels,
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36 ChartTheme theme,
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37 Collection parameters,
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38 Collection measurements,
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39 Collection dates,
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40 Collection result,
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41 Collection timeGaps,
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42 Locale locale,
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43 boolean linesVisible,
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44 boolean shapesVisible
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45 ) {
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46 super(
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47 labels,
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48 theme,
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49 parameters,
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50 measurements,
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51 dates,
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52 result,
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53 timeGaps,
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54 locale,
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55 linesVisible,
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56 shapesVisible
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57 );
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58 this.PLOT_ORIENTATION = PlotOrientation.VERTICAL;
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59 this.distance = 0;
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60 }
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61
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62
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63 protected void addValue(Result row, Series series) {
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64 // TODO look for gaps between two values
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65 try {
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66 Point point = (Point) wktReader.read(row.getString("SHAPE"));
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67 if (lastPoint != null)
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68 distance = distance + DistanceCalculator.calculateDistance(
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69 lastPoint, point
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70 );
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71 lastPoint = point;
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72
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73 ((XYSeries) series).add(
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74 distance,
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75 row.getDouble("YORDINATE")
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76 );
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77 }
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78 catch(ParseException pe) {
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79 log.warn("No data found while parsing.");
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80 }
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81 }
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82
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83
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84 protected void addSeries(Series series, String label, int idx) {
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85 super.addSeries(series, label, idx);
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86
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87 // reset values used by current series for next series
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88 lastPoint = null;
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89 distance = 0;
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90 }
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91
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92
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93 protected String createSeriesName(
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94 String breakPoint1,
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95 String breakPoint2,
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96 String breakPoint3
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97 ) {
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98 log.debug("create seriesname of horizontalprofile chart");
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99 return super.createSeriesName(
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100 breakPoint1,
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101 breakPoint2,
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102 breakPoint3) +
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103 " " +
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104 findValueTitle(dates, breakPoint3);
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105 }
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106 }
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107 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org