Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/chart/TimeSeriesChart.java @ 347:2f84ac484d8c

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Removed needless imports. gnv-artifacts/trunk@416 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Fri, 11 Dec 2009 10:41:24 +0000
parents e964a3d8f7bc
children 4e6aa2a8c4c0
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.text.DateFormat;
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4 import java.text.SimpleDateFormat;
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5 import java.util.Collection;
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6 import java.util.Date;
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7 import java.util.HashMap;
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8 import java.util.Iterator;
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9 import java.util.Locale;
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10
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11 import org.apache.log4j.Logger;
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12
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13 import org.jfree.chart.ChartTheme;
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14 import org.jfree.chart.ChartFactory;
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15 import org.jfree.chart.axis.Axis;
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16 import org.jfree.chart.axis.DateAxis;
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17 import org.jfree.chart.plot.XYPlot;
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18 import org.jfree.chart.plot.PlotOrientation;
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19 import org.jfree.data.general.Series;
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20 import org.jfree.data.time.TimeSeries;
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21 import org.jfree.data.time.Minute;
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22 import org.jfree.data.time.TimeSeriesCollection;
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23
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24 import de.intevation.gnv.geobackend.base.Result;
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25 import de.intevation.gnv.state.describedata.KeyValueDescibeData;
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26 import de.intevation.gnv.timeseries.gap.TimeGap;
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28
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29 /**
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30 * @author Ingo Weinzierl <ingo.weinzierl@intevation.de>
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31 */
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32 public class TimeSeriesChart
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33 extends AbstractXYLineChart
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34 {
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35
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36 private static final String DATE_FORMAT = "dd-MMM";
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37
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38 private static final long NO_TIME_GAP = Long.MAX_VALUE - 1000;
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39
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40 private static Logger log = Logger.getLogger(TimeSeriesChart.class);
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41
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42
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43 public TimeSeriesChart(
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44 ChartLabels labels,
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45 ChartTheme theme,
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46 Collection parameters,
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47 Collection measurements,
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48 Collection dates,
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49 Collection result,
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50 Collection timeGaps,
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51 Locale locale,
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52 boolean linesVisible,
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53 boolean shapesVisible
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54 ) {
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55 this.labels = labels;
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56 this.theme = theme;
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57 this.parameters = parameters;
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58 this.measurements = measurements;
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59 this.dates = dates;
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60 this.resultSet = result;
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61 this.timeGaps = timeGaps;
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62 this.locale = locale;
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63 this.PLOT_ORIENTATION = PlotOrientation.VERTICAL;
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64 this.linesVisible = linesVisible;
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65 this.shapesVisible = shapesVisible;
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66 this.datasets = new HashMap();
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67 }
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68
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69
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70 protected void initChart() {
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71 chart = ChartFactory.createTimeSeriesChart(
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72 labels.getTitle(),
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73 labels.getDomainAxisLabel(),
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74 null,
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75 null,
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76 true,
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77 false,
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78 false
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79 );
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80 }
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81
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82
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83 protected void initData() {
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84 log.debug("init data for timeseries chart");
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85
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86 String breakPoint1 = null;
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87 String breakPoint2 = null;
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88 String breakPoint3 = null;
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89
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90 Iterator iter = resultSet.iterator();
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91 Result row = null;
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92 String seriesName = null;
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93 TimeSeries series = null;
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94
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95 int idx = 0;
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96 int startPos = 0;
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97 int endPos = 0;
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98 Date startDate = null;
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99 Date endDate = null;
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100
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101 Result[] results =
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102 (Result[]) resultSet.toArray(new Result[resultSet.size()]);
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103
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104 while (iter.hasNext()) {
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105 row = (Result) iter.next();
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106
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107 // add current data to plot and prepare for next one
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108 if (!row.getString("GROUP1").equals(breakPoint1) ||
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109 !row.getString("GROUP2").equals(breakPoint2) ||
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110 !row.getString("GROUP3").equals(breakPoint3)
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111 ) {
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112 log.debug("prepare data/plot for next dataset");
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113
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114 if(series != null) {
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115 // add gaps before adding series to chart
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116 startDate = results[startPos].getDate("XORDINATE");
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117 endDate = results[endPos-1].getDate("XORDINATE");
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118 addGaps(results,series,startDate,endDate,startPos,endPos);
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119 addSeries(series, seriesName, idx);
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120
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121 startPos = endPos + 1;
298
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122 }
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123
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124 // prepare variables for next plot
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125 breakPoint1 = row.getString("GROUP1");
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126 breakPoint2 = row.getString("GROUP2");
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127 breakPoint3 = row.getString("GROUP3");
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128
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129 seriesName = createSeriesName(
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130 breakPoint1,
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131 breakPoint2,
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132 breakPoint3
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133 );
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134
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135 log.debug("next dataset is '" + seriesName + "'");
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136 series = new TimeSeries(seriesName, Minute.class);
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137 }
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138
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139 addValue(row, series);
329
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140 endPos++;
298
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141 }
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142
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143 // add the last dataset if existing to plot and prepare its axis
329
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144 startDate = results[startPos].getDate("XORDINATE");
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145 endDate = results[endPos-1].getDate("XORDINATE");
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146 addGaps(results, series, startDate, endDate, startPos, endPos);
334
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147 addSeries(series, seriesName, idx);
310
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148
334
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149 addDatasets();
298
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150 }
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151
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152
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153 protected void addValue(Result row, Series series) {
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154 ((TimeSeries) series).addOrUpdate(
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155 new Minute(row.getDate("XORDINATE")),
80f7c5dc09c6 Implementation of classes for creating timeseries, verticalprofile and horizontalprofile charts.
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156 row.getDouble("YORDINATE")
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157 );
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158 }
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159
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160
334
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161 protected void addSeries(Series series, String label, int idx) {
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162 log.debug("add series (" + label + ")to timeseries chart");
298
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163
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164 if (series == null) {
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165 log.warn("no data to add");
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166 return;
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167 }
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168
334
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169 TimeSeriesCollection tsc = null;
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170
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171 String parameter = findParameter(label);
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172 if (datasets.containsKey(parameter))
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173 tsc = (TimeSeriesCollection) datasets.get(parameter);
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174 else
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175 tsc = new TimeSeriesCollection();
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176
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177 tsc.addSeries((TimeSeries) series);
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178 datasets.put(parameter, tsc);
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179 }
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180
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181
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182 protected void addDatasets() {
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183 Iterator iter = parameters.iterator();
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184 XYPlot plot = chart.getXYPlot();
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185 int idx = 0;
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186
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187 TimeSeriesCollection tsc = null;
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188 KeyValueDescibeData data = null;
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189 String key = null;
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190 while (iter.hasNext()) {
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191 data = (KeyValueDescibeData) iter.next();
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192 key = data.getValue();
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193
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194 if (datasets.containsKey(key)) {
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195 tsc = (TimeSeriesCollection)datasets.get(key);
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196 plot.setDataset(idx, tsc );
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197 log.debug("Added " + key + " parameter to plot.");
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198 prepareAxis(key, idx);
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199 adjustRenderer(
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200 idx++,
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201 tsc.getSeriesCount(),
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202 linesVisible,
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203 shapesVisible
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204 );
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205 }
e37930705daa Changed the way of adding data to charts. Same parameters have one axis - not each parameter its own one.
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diff changeset
206 }
298
80f7c5dc09c6 Implementation of classes for creating timeseries, verticalprofile and horizontalprofile charts.
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207 }
80f7c5dc09c6 Implementation of classes for creating timeseries, verticalprofile and horizontalprofile charts.
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208
80f7c5dc09c6 Implementation of classes for creating timeseries, verticalprofile and horizontalprofile charts.
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209
315
63f8b3fb7d9a Localization of chart axis with locale which fits best to server and browser settings.
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diff changeset
210 protected void localizeDomainAxis(Axis axis, Locale locale) {
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211 if (locale == null)
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diff changeset
212 return;
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diff changeset
213
63f8b3fb7d9a Localization of chart axis with locale which fits best to server and browser settings.
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214 log.debug(
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diff changeset
215 "Set language of axis [" + axis.getLabel() + "] " +
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216 "to " + locale.toString()
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diff changeset
217 );
63f8b3fb7d9a Localization of chart axis with locale which fits best to server and browser settings.
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diff changeset
218
63f8b3fb7d9a Localization of chart axis with locale which fits best to server and browser settings.
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diff changeset
219 DateFormat format = new SimpleDateFormat(DATE_FORMAT, locale);
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220 ((DateAxis) axis).setDateFormatOverride(format);
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diff changeset
221 }
63f8b3fb7d9a Localization of chart axis with locale which fits best to server and browser settings.
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diff changeset
222
63f8b3fb7d9a Localization of chart axis with locale which fits best to server and browser settings.
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diff changeset
223
298
80f7c5dc09c6 Implementation of classes for creating timeseries, verticalprofile and horizontalprofile charts.
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224 protected String createSeriesName(
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225 String breakPoint1,
80f7c5dc09c6 Implementation of classes for creating timeseries, verticalprofile and horizontalprofile charts.
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226 String breakPoint2,
80f7c5dc09c6 Implementation of classes for creating timeseries, verticalprofile and horizontalprofile charts.
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227 String breakPoint3
80f7c5dc09c6 Implementation of classes for creating timeseries, verticalprofile and horizontalprofile charts.
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228 ) {
80f7c5dc09c6 Implementation of classes for creating timeseries, verticalprofile and horizontalprofile charts.
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229 log.debug("create seriesname of timeseries chart");
80f7c5dc09c6 Implementation of classes for creating timeseries, verticalprofile and horizontalprofile charts.
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230 return findValueTitle(parameters, breakPoint1) +
80f7c5dc09c6 Implementation of classes for creating timeseries, verticalprofile and horizontalprofile charts.
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231 " " +
80f7c5dc09c6 Implementation of classes for creating timeseries, verticalprofile and horizontalprofile charts.
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232 findValueTitle(measurements, breakPoint2) +
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233 "m";
80f7c5dc09c6 Implementation of classes for creating timeseries, verticalprofile and horizontalprofile charts.
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234 }
329
42a5269636eb Added time gap detection to time series charts.
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diff changeset
235
42a5269636eb Added time gap detection to time series charts.
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diff changeset
236
42a5269636eb Added time gap detection to time series charts.
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237 protected void addGaps(
42a5269636eb Added time gap detection to time series charts.
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diff changeset
238 Result[] results,
42a5269636eb Added time gap detection to time series charts.
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diff changeset
239 Series series,
42a5269636eb Added time gap detection to time series charts.
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diff changeset
240 Date startDate,
42a5269636eb Added time gap detection to time series charts.
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diff changeset
241 Date endDate,
42a5269636eb Added time gap detection to time series charts.
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diff changeset
242 int startPos,
42a5269636eb Added time gap detection to time series charts.
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243 int endPos
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244 ) {
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245 int gapID = results[startPos].getInteger("GAPID");
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246 long maxDiff = calculateGapSize(
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247 startDate, endDate, startPos, endPos, gapID
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248 );
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249
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250 Date last = startDate;
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251 for (int i = startPos+1; i < endPos; i++) {
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252 Result res = results[i];
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253 Date now = res.getDate("XORDINATE");
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254
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255 if ((now.getTime() - last.getTime()) > maxDiff) {
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256 // add gap, add 1 minute to last date and add null value
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257 log.info(
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258 "Gap between " +
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259 last.toString() + " and " + now.toString()
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260 );
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261 last.setTime(last.getTime() + 60000);
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262 ((TimeSeries) series).addOrUpdate(new Minute(last), null);
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263 }
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264
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265 last = now;
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266 }
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267 }
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268
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269
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270 protected long calculateGapSize(
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271 Date start,
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272 Date end,
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273 int startPos,
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274 int endPos,
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275 int gapID
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276 ){
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277 long maxGap = (end.getTime() - start.getTime()) / 20;
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278 long interval = getTimeGapValue(start, end, startPos, endPos, gapID);
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279
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280 if (maxGap < interval)
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281 maxGap = interval + 10;
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282
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283 return maxGap;
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284 }
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285
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286
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287 protected long getTimeGapValue(
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288 Date dStart,
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289 Date dEnd,
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290 int pStart,
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291 int pEnd,
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292 int gapID
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293 ){
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294 long gap = 0;
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295
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296 if (gapID < 0 || gapID >= 99) {
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297
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298 if (gapID == -1) {
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299 // no gaps in meshes
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300 gap = NO_TIME_GAP;
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301 }
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302 else if (pEnd-pStart < 60) {
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303 gap = (3/(pEnd-pStart)) * (dEnd.getTime() - dStart.getTime());
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304 }
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305 }
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306 else{
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307 Iterator it = timeGaps.iterator();
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308
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309 while (it.hasNext()) {
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310 TimeGap tempTimeGap = (TimeGap) it.next();
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311
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312 if (tempTimeGap.getKey() == gapID){
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313 String unit = tempTimeGap.getUnit();
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314 int gapValue = tempTimeGap.getValue();
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315
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316 if (unit.equals(TimeGap.TIME_UNIT_MINUTE)) {
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317 gap = gapValue * TimeGap.MINUTE_IN_MILLIS;
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318 }
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319 else if (unit.equals(TimeGap.TIME_UNIT_HOUR)) {
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320 gap = gapValue * TimeGap.HOUR_IN_MILLIS;
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321 }
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322 else if (unit.equals(TimeGap.TIME_UNIT_DAY)) {
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323 gap = gapValue * TimeGap.DAY_IN_MILLIS;
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324 }
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325 else if (unit.equals(TimeGap.TIME_UNIT_WEEK)) {
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326 gap = gapValue * TimeGap.WEEK_IN_MILLIS;
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327 }
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328 else if (unit.equals(TimeGap.TIME_UNIT_MONTH)) {
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329 gap = gapValue * (TimeGap.DAY_IN_MILLIS *30);
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330 }
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331 else if (unit.equals(TimeGap.TIME_UNIT_YEAR)) {
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332 gap = gapValue * (TimeGap.DAY_IN_MILLIS *365);
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333 }
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334 break;
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335 }
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336 }
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337 }
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338
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339 return gap;
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340 }
298
80f7c5dc09c6 Implementation of classes for creating timeseries, verticalprofile and horizontalprofile charts.
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341 }
315
63f8b3fb7d9a Localization of chart axis with locale which fits best to server and browser settings.
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342 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org