Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/chart/VerticalProfileChart.java @ 301:3ea030aafe65

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Removed duplicated and needless imports. gnv-artifacts/trunk@355 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Fri, 20 Nov 2009 14:03:31 +0000
parents 80f7c5dc09c6
children 45625b5cd6d4
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.Iterator;
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5 import java.util.Locale;
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6
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7 import org.apache.log4j.Logger;
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8
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9 import org.jfree.chart.ChartTheme;
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10 import org.jfree.data.xy.XYSeries;
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11 import org.jfree.data.general.Series;
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12 import org.jfree.data.xy.XYSeriesCollection;
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13 import org.jfree.chart.plot.XYPlot;
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14 import org.jfree.chart.plot.PlotOrientation;
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15
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16 import de.intevation.gnv.geobackend.base.Result;
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18
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19 /**
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20 * @author Ingo Weinzierl <ingo.weinzierl@intevation.de>
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21 */
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22 public class VerticalProfileChart
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23 extends AbstractXYLineChart
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24 {
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25 private static Logger log = Logger.getLogger(VerticalProfileChart.class);
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26
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28 public VerticalProfileChart(
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29 ChartLabels labels,
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30 ChartTheme theme,
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31 Collection parameters,
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32 Collection measurements,
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33 Collection result,
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34 Collection dates,
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35 Locale locale
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36 ) {
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37 this.labels = labels;
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38 this.theme = theme;
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39 this.parameters = parameters;
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40 this.measurements = measurements;
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41 this.resultSet = result;
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42 this.dates = dates;
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43 this.locale = locale;
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44 this.PLOT_ORIENTATION = PlotOrientation.HORIZONTAL;
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45 }
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46
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47
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48 protected void initData() {
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49 log.debug("init data for VerticalProfileChart");
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50
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51 String breakPoint1 = null;
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52 String breakPoint2 = null;
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53 String breakPoint3 = null;
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54
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55 Iterator iter = resultSet.iterator();
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56 Result row = null;
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57 String seriesName = null;
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58 XYSeries series = null;
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59
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60 int idx = 0;
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61
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62 while (iter.hasNext()) {
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63 row = (Result) iter.next();
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64
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65 // add current data to plot and prepare for next one
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66 if (!row.getString("GROUP1").equals(breakPoint1) ||
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67 !row.getString("GROUP2").equals(breakPoint2) ||
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68 !row.getString("GROUP3").equals(breakPoint3)
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69 ) {
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70 log.debug("prepare data/plot for next dataset");
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71
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72 if(series != null) {
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73 addSeries(series, idx);
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74 prepareAxis(((String)series.getKey()), idx++);
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75 }
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76
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77 // prepare variables for next plot
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78 breakPoint1 = row.getString("GROUP1");
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79 breakPoint2 = row.getString("GROUP2");
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80 breakPoint3 = row.getString("GROUP3");
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81
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82 seriesName = createSeriesName(
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83 breakPoint1,
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84 breakPoint2,
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85 breakPoint3
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86 );
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87
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88 log.debug("next dataset is '" + seriesName + "'");
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89 series = new XYSeries(seriesName);
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90 }
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91
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92 addValue(row, series);
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93 }
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94
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95 addSeries(series, idx);
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96 prepareAxis(((String)series.getKey()), idx++);
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97 }
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98
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99
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100 protected void addValue(Result row, Series series) {
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101 // TODO look for gaps between two values
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102 ((XYSeries) series).add(
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103 row.getDouble("XORDINATE"),
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104 row.getDouble("YORDINATE")
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105 );
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106 }
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107
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108
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109 protected void addSeries(Series series, int idx) {
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110 log.debug("add series to verticalprofile chart");
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111 XYPlot plot = chart.getXYPlot();
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112
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113 if (series == null) {
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114 log.warn("no data to add");
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115 return;
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116 }
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117
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118 XYSeriesCollection xysc = new XYSeriesCollection((XYSeries)series);
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119 plot.setDataset(idx, xysc);
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120 }
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121
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122
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123 protected String createSeriesName(
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124 String breakPoint1,
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125 String breakPoint2,
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126 String breakPoint3
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127 ) {
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128 log.debug("create seriesname of verticalprofile chart");
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129 return findValueTitle(parameters, breakPoint1) +
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130 " " +
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131 findValueTitle(measurements, breakPoint2) +
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132 "m";
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133 }
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134 }
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135 // vim:set ts=4 sw=4 si et sta sts=4 fenc=latin1 :
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