Mercurial > dive4elements > gnv-client
annotate gnv-artifacts/src/main/java/de/intevation/gnv/chart/TimeSeriesVectorChart.java @ 1142:12abbf15f18a
dummy merge for repo head
author | Thomas Arendsen Hein <thomas@intevation.de> |
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date | Fri, 28 Sep 2012 12:15:20 +0200 |
parents | f953c9a559d8 |
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rev | line source |
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1 /* |
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2 * Copyright (c) 2010 by Intevation GmbH |
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3 * |
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4 * This program is free software under the LGPL (>=v2.1) |
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5 * Read the file LGPL.txt coming with the software for details |
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6 * or visit http://www.gnu.org/licenses/ if it does not exist. |
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7 */ |
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8 |
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9 package de.intevation.gnv.chart; |
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10 |
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11 import de.intevation.gnv.geobackend.base.Result; |
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12 import de.intevation.gnv.geobackend.base.ResultDescriptor; |
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13 |
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14 import java.util.Collection; |
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15 import java.util.Date; |
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16 import java.util.Iterator; |
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17 import java.util.Locale; |
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18 |
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19 import org.apache.log4j.Logger; |
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20 |
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21 import org.jfree.chart.ChartTheme; |
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22 import org.jfree.chart.plot.XYPlot; |
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23 |
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24 import org.jfree.data.time.Minute; |
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25 import org.jfree.data.time.TimeSeries; |
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26 import org.jfree.data.time.TimeSeriesCollection; |
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27 |
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28 |
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29 /** |
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30 * This class is used to create timeseries charts that contain components of a |
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31 * vector parameter. The domain axis contains multiple date/time objects. |
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32 * |
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33 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> |
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34 */ |
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35 public class TimeSeriesVectorChart extends TimeSeriesChart { |
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36 |
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37 private static Logger logger =Logger.getLogger(TimeSeriesVectorChart.class); |
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38 |
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39 public TimeSeriesVectorChart( |
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40 ChartLabels labels, |
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41 ChartTheme theme, |
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42 Collection parameters, |
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43 Collection measurements, |
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44 Collection dates, |
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45 Collection result, |
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46 Collection timeGaps, |
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47 Locale locale, |
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48 boolean linesVisible, |
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49 boolean shapesVisible |
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50 ) { |
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51 super(labels, theme, parameters, measurements, dates, result, |
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52 timeGaps, locale, linesVisible, shapesVisible); |
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53 } |
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54 |
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55 |
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56 @Override |
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57 protected void initData() { |
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58 logger.debug("init data for timeseries vector chart"); |
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59 |
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60 Iterator iter = resultSet.iterator(); |
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61 Result row = null; |
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62 String seriesName = null; |
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63 TimeSeries series = null; |
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64 |
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65 int idx = 0; |
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66 int startPos = 0; |
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67 int endPos = 0; |
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68 Date startDate = null; |
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69 Date endDate = null; |
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70 |
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71 ResultDescriptor rd = null; |
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72 int idxSeries = -1; |
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73 int idxX = -1; |
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74 int idxY = -1; |
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75 |
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76 Result[] results = |
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77 (Result[]) resultSet.toArray(new Result[resultSet.size()]); |
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78 |
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79 while (iter.hasNext()) { |
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80 row = (Result) iter.next(); |
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81 |
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82 if (rd == null) { |
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83 rd = row.getResultDescriptor(); |
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84 idxSeries = rd.getColumnIndex("SERIES"); |
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85 idxX = rd.getColumnIndex("XORDINATE"); |
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86 idxY = rd.getColumnIndex("YORDINATE"); |
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87 } |
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88 |
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89 // add current data to plot and prepare for next one |
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90 if (!row.getString(idxSeries).equals(seriesName)) { |
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91 logger.debug("prepare data/plot for next dataset"); |
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92 |
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93 if(series != null) { |
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94 // add gaps before adding series to chart |
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95 startDate = results[startPos].getDate(idxX); |
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96 endDate = results[endPos-1].getDate(idxX); |
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97 addGaps(results,series,startDate,endDate,startPos,endPos); |
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98 addSeries(series, seriesName, idx); |
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99 |
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100 startPos = endPos + 1; |
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101 } |
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102 |
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103 // prepare variables for next plot |
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104 seriesName = row.getString(idxSeries); |
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105 |
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106 logger.debug("next dataset is '" + seriesName + "'"); |
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107 series = new TimeSeries(seriesName, Minute.class); |
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108 } |
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109 |
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110 addValue(row, series); |
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111 storeMaxRange(ranges, row.getDouble(idxY), seriesName); |
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112 endPos++; |
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113 } |
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114 |
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115 if (startPos < results.length && endPos-1 < results.length) { |
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116 // add the last dataset if existing to plot and prepare its axis |
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117 startDate = results[startPos].getDate(idxX); |
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118 endDate = results[endPos-1].getDate(idxX); |
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119 addGaps(results, series, startDate, endDate, startPos, endPos); |
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120 addSeries(series, seriesName, idx); |
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121 } |
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122 |
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123 addDatasets(); |
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124 } |
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125 |
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126 |
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127 @Override |
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128 protected void addDatasets() { |
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129 XYPlot plot = chart.getXYPlot(); |
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130 int idx = 0; |
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131 |
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132 TimeSeriesCollection tsc = null; |
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133 Iterator iter = datasets.keySet().iterator(); |
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134 |
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135 while (iter.hasNext()) { |
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136 String key = (String) iter.next(); |
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137 tsc = (TimeSeriesCollection)datasets.get(key); |
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138 plot.setDataset(idx, tsc ); |
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139 logger.debug("Added " + key + " parameter to plot."); |
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140 prepareAxis(key, idx); |
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141 adjustRenderer( |
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142 idx++, |
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143 tsc.getSeriesCount(), |
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144 linesVisible, |
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145 shapesVisible |
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146 ); |
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147 } |
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148 } |
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149 } |
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150 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 : |