Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/chart/VerticalProfileChart.java @ 336:1b9ca0f2d498

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Added marker for different data sources in sql queries. gnv-artifacts/trunk@402 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Tue, 08 Dec 2009 11:18:27 +0000
parents e964a3d8f7bc
children 07a64cfafdf1
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.plot.XYPlot;
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13 import org.jfree.chart.plot.PlotOrientation;
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14 import org.jfree.data.xy.XYSeries;
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15 import org.jfree.data.general.Series;
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16 import org.jfree.data.xy.XYSeriesCollection;
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17
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18 import de.intevation.gnv.geobackend.base.Result;
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e964a3d8f7bc Some Refactoring work done.
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19 import de.intevation.gnv.state.describedata.KeyValueDescibeData;
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20
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21
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22 /**
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23 * @author Ingo Weinzierl <ingo.weinzierl@intevation.de>
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24 */
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25 public class VerticalProfileChart
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26 extends AbstractXYLineChart
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27 {
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28 private static Logger log = Logger.getLogger(VerticalProfileChart.class);
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29
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30
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31 public VerticalProfileChart(
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32 ChartLabels labels,
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33 ChartTheme theme,
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34 Collection parameters,
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35 Collection measurements,
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36 Collection dates,
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37 Collection result,
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38 Collection timeGaps,
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39 Locale locale,
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40 boolean linesVisible,
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41 boolean shapesVisible
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42 ) {
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43 this.labels = labels;
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44 this.theme = theme;
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45 this.parameters = parameters;
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46 this.measurements = measurements;
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47 this.dates = dates;
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48 this.resultSet = result;
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49 this.timeGaps = timeGaps;
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50 this.locale = locale;
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51 this.PLOT_ORIENTATION = PlotOrientation.HORIZONTAL;
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52 this.linesVisible = linesVisible;
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53 this.shapesVisible = shapesVisible;
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54 this.datasets = new HashMap();
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55 }
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56
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57
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58 protected void initData() {
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59 log.debug("init data for VerticalProfileChart");
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60
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61 String breakPoint1 = null;
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62 String breakPoint2 = null;
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63 String breakPoint3 = null;
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64
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65 Iterator iter = resultSet.iterator();
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66 Result row = null;
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67 String seriesName = null;
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68 XYSeries series = null;
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69
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70 int idx = 0;
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71
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72 while (iter.hasNext()) {
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73 row = (Result) iter.next();
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74
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75 // add current data to plot and prepare for next one
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76 if (!row.getString("GROUP1").equals(breakPoint1) ||
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77 !row.getString("GROUP2").equals(breakPoint2) ||
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78 !row.getString("GROUP3").equals(breakPoint3)
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79 ) {
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80 log.debug("prepare data/plot for next dataset");
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81
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82 if(series != null) {
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83 addSeries(series, seriesName, idx);
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84 }
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85
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86 // prepare variables for next plot
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87 breakPoint1 = row.getString("GROUP1");
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88 breakPoint2 = row.getString("GROUP2");
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89 breakPoint3 = row.getString("GROUP3");
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90
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91 seriesName = createSeriesName(
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92 breakPoint1,
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93 breakPoint2,
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94 breakPoint3
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95 );
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96
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97 log.debug("next dataset is '" + seriesName + "'");
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98 series = new XYSeries(seriesName);
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99 }
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100
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101 addValue(row, series);
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102 }
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103
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104 addSeries(series, seriesName, idx);
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105
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106 addDatasets();
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107 }
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110 protected void addValue(Result row, Series series) {
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111 // TODO look for gaps between two values
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112 ((XYSeries) series).add(
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113 row.getDouble("XORDINATE"),
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114 row.getDouble("YORDINATE")
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115 );
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116 }
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118
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119 protected void addSeries(Series series, String label, int idx) {
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120 log.debug("add series (" + label + ")to chart");
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121
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122 if (series == null) {
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123 log.warn("no data to add");
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124 return;
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125 }
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126
334
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127 XYSeriesCollection xysc = null;
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128 String parameter = findParameter(label);
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129
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130 if (datasets.containsKey(parameter))
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131 xysc = (XYSeriesCollection) datasets.get(parameter);
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132 else
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133 xysc = new XYSeriesCollection();
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134
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135 xysc.addSeries((XYSeries) series);
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136 datasets.put(parameter, xysc);
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137 }
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138
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139
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140 protected void addDatasets() {
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141 Iterator iter = parameters.iterator();
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142 XYPlot plot = chart.getXYPlot();
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143 int idx = 0;
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144
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145 XYSeriesCollection xysc = null;
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146 KeyValueDescibeData data = null;
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147 String key = null;
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148 while (iter.hasNext()) {
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149 data = (KeyValueDescibeData) iter.next();
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150 key = data.getValue();
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151
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152 if (datasets.containsKey(key)) {
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153 xysc = (XYSeriesCollection)datasets.get(key);
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154 plot.setDataset(idx, xysc );
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155 log.debug("Added " + key + " parameter to plot.");
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156 prepareAxis(key, idx);
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157 adjustRenderer(
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158 idx++,
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159 xysc.getSeriesCount(),
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160 linesVisible,
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161 shapesVisible
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162 );
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163 }
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164 }
298
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165 }
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166
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167
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168 protected void localizeDomainAxis(Axis axis, Locale locale) {
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169 // call localizeRangeAxis from superclass which formats NumberAxis
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170 super.localizeRangeAxis(axis, locale);
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171 }
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172
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173
298
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174 protected String createSeriesName(
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175 String breakPoint1,
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176 String breakPoint2,
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177 String breakPoint3
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178 ) {
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179 log.debug("create seriesname of verticalprofile chart");
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180 return findValueTitle(parameters, breakPoint1) +
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181 " " +
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182 findValueTitle(measurements, breakPoint2) +
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183 "m";
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184 }
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185 }
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186 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org