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annotate gnv-artifacts/src/main/java/de/intevation/gnv/chart/HorizontalProfileChart.java @ 298:80f7c5dc09c6

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Implementation of classes for creating timeseries, verticalprofile and horizontalprofile charts. gnv-artifacts/trunk@352 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Thu, 19 Nov 2009 15:30:27 +0000
parents
children 45625b5cd6d4
rev   line source
298
80f7c5dc09c6 Implementation of classes for creating timeseries, verticalprofile and horizontalprofile charts.
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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 result,
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40 Collection dates,
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41 Locale locale
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42 ) {
80f7c5dc09c6 Implementation of classes for creating timeseries, verticalprofile and horizontalprofile charts.
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43 super(labels, theme, parameters, measurements, result, dates, locale);
80f7c5dc09c6 Implementation of classes for creating timeseries, verticalprofile and horizontalprofile charts.
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44 this.PLOT_ORIENTATION = PlotOrientation.VERTICAL;
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45 this.distance = 0;
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46 }
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47
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48
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49 protected void addValue(Result row, Series series) {
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50 // TODO look for gaps between two values
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51 try {
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52 Point point = (Point) wktReader.read(row.getString("SHAPE"));
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53 if (lastPoint != null)
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54 distance = distance + DistanceCalculator.calculateDistance(
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55 lastPoint, point
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56 );
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57 lastPoint = point;
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58
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59 ((XYSeries) series).add(
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60 distance,
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61 row.getDouble("YORDINATE")
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62 );
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63 }
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64 catch(ParseException pe) {
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65 log.warn("No data found while parsing.");
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66 }
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67 }
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68
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69
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70 protected void addSeries(Series series, int idx) {
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71 super.addSeries(series, idx);
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72
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73 // reset values used by current series for next series
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74 lastPoint = null;
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75 distance = 0;
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76 }
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77
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78
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79 protected String createSeriesName(
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80 String breakPoint1,
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81 String breakPoint2,
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82 String breakPoint3
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83 ) {
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84 log.debug("create seriesname of horizontalprofile chart");
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85 return super.createSeriesName(
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86 breakPoint1,
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87 breakPoint2,
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88 breakPoint3) +
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89 " " +
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90 findValueTitle(dates, breakPoint3);
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91 }
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92 }
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93 // vim:set ts=4 sw=4 si et sta sts=4 fenc=latin1 :
http://dive4elements.wald.intevation.org