Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/chart/VerticalProfileChart.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 e964a3d8f7bc
rev   line source
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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.HashMap;
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5 import java.util.Iterator;
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6 import java.util.Locale;
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7
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8 import org.apache.log4j.Logger;
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9
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10 import org.jfree.chart.ChartTheme;
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11 import org.jfree.chart.axis.Axis;
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12 import org.jfree.chart.axis.NumberAxis;
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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 import org.jfree.data.xy.XYSeries;
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16 import org.jfree.data.general.Series;
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17 import org.jfree.data.xy.XYSeriesCollection;
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18
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19 import de.intevation.gnv.geobackend.base.Result;
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20 import de.intevation.gnv.transition.describedata.KeyValueDescibeData;
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21
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22
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23 /**
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24 * @author Ingo Weinzierl <ingo.weinzierl@intevation.de>
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25 */
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26 public class VerticalProfileChart
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27 extends AbstractXYLineChart
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28 {
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29 private static Logger log = Logger.getLogger(VerticalProfileChart.class);
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30
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31
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32 public VerticalProfileChart(
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33 ChartLabels labels,
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34 ChartTheme theme,
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35 Collection parameters,
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36 Collection measurements,
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37 Collection dates,
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38 Collection result,
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39 Collection timeGaps,
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40 Locale locale,
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41 boolean linesVisible,
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42 boolean shapesVisible
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43 ) {
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44 this.labels = labels;
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45 this.theme = theme;
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46 this.parameters = parameters;
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47 this.measurements = measurements;
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48 this.dates = dates;
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49 this.resultSet = result;
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50 this.timeGaps = timeGaps;
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51 this.locale = locale;
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52 this.PLOT_ORIENTATION = PlotOrientation.HORIZONTAL;
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53 this.linesVisible = linesVisible;
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54 this.shapesVisible = shapesVisible;
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55 this.datasets = new HashMap();
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56 }
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57
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58
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59 protected void initData() {
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60 log.debug("init data for VerticalProfileChart");
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61
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62 String breakPoint1 = null;
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63 String breakPoint2 = null;
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64 String breakPoint3 = null;
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65
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66 Iterator iter = resultSet.iterator();
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67 Result row = null;
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68 String seriesName = null;
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69 XYSeries series = null;
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70
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71 int idx = 0;
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72
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73 while (iter.hasNext()) {
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74 row = (Result) iter.next();
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75
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76 // add current data to plot and prepare for next one
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77 if (!row.getString("GROUP1").equals(breakPoint1) ||
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78 !row.getString("GROUP2").equals(breakPoint2) ||
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79 !row.getString("GROUP3").equals(breakPoint3)
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80 ) {
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81 log.debug("prepare data/plot for next dataset");
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82
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83 if(series != null) {
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84 addSeries(series, seriesName, idx);
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85 }
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86
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87 // prepare variables for next plot
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88 breakPoint1 = row.getString("GROUP1");
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89 breakPoint2 = row.getString("GROUP2");
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90 breakPoint3 = row.getString("GROUP3");
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91
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92 seriesName = createSeriesName(
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93 breakPoint1,
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94 breakPoint2,
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95 breakPoint3
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96 );
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97
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98 log.debug("next dataset is '" + seriesName + "'");
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99 series = new XYSeries(seriesName);
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100 }
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101
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102 addValue(row, series);
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103 }
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104
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105 addSeries(series, seriesName, idx);
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106
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107 addDatasets();
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108 }
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110
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111 protected void addValue(Result row, Series series) {
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112 // TODO look for gaps between two values
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113 ((XYSeries) series).add(
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114 row.getDouble("XORDINATE"),
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115 row.getDouble("YORDINATE")
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116 );
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117 }
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118
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119
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120 protected void addSeries(Series series, String label, int idx) {
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121 log.debug("add series (" + label + ")to chart");
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122
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123 if (series == null) {
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124 log.warn("no data to add");
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125 return;
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126 }
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127
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128 XYSeriesCollection xysc = null;
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129 String parameter = findParameter(label);
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130
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131 if (datasets.containsKey(parameter))
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132 xysc = (XYSeriesCollection) datasets.get(parameter);
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133 else
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134 xysc = new XYSeriesCollection();
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135
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136 xysc.addSeries((XYSeries) series);
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137 datasets.put(parameter, xysc);
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138 }
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139
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140
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141 protected void addDatasets() {
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142 Iterator iter = parameters.iterator();
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143 XYPlot plot = chart.getXYPlot();
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144 int idx = 0;
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145
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146 XYSeriesCollection xysc = null;
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147 KeyValueDescibeData data = null;
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148 String key = null;
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149 while (iter.hasNext()) {
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150 data = (KeyValueDescibeData) iter.next();
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151 key = data.getValue();
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152
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153 if (datasets.containsKey(key)) {
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154 xysc = (XYSeriesCollection)datasets.get(key);
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155 plot.setDataset(idx, xysc );
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156 log.debug("Added " + key + " parameter to plot.");
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157 prepareAxis(key, idx);
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158 adjustRenderer(
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159 idx++,
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160 xysc.getSeriesCount(),
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161 linesVisible,
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162 shapesVisible
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163 );
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164 }
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165 }
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166 }
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167
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168
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169 protected void localizeDomainAxis(Axis axis, Locale locale) {
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170 // call localizeRangeAxis from superclass which formats NumberAxis
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171 super.localizeRangeAxis(axis, locale);
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172 }
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173
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174
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175 protected String createSeriesName(
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176 String breakPoint1,
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177 String breakPoint2,
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178 String breakPoint3
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179 ) {
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180 log.debug("create seriesname of verticalprofile chart");
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181 return findValueTitle(parameters, breakPoint1) +
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182 " " +
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183 findValueTitle(measurements, breakPoint2) +
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184 "m";
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185 }
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186 }
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187 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org