Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/chart/VerticalProfileChart.java @ 530:d2c68f2f619b

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Fixed an ArrayIndexOutOfBounds-exceptions which occured if there are less than two data points for chart creation. gnv-artifacts/trunk@626 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Tue, 26 Jan 2010 10:07:44 +0000
parents 04a242c67fe6
children 24a85678bd39
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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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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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 public static final String DEFAULT_AXIS = "KPOSITION";
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29
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30 private static Logger log = Logger.getLogger(VerticalProfileChart.class);
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31
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32 protected final double PERCENTAGE = 5.0;
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33 protected final double GAP_MAX_LEVEL = Math.sqrt(2.0);
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34 protected final int GAP_MAX_VALUES = 60;
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35
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36
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37 public VerticalProfileChart(
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38 ChartLabels labels,
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39 ChartTheme theme,
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40 Collection parameters,
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41 Collection measurements,
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42 Collection dates,
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43 Collection result,
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44 Collection timeGaps,
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45 Locale locale,
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46 boolean linesVisible,
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47 boolean shapesVisible
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48 ) {
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49 this.labels = labels;
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50 this.theme = theme;
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51 this.parameters = parameters;
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52 this.measurements = measurements;
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53 this.dates = dates;
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54 this.resultSet = result;
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55 this.timeGaps = timeGaps;
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56 this.locale = locale;
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57 this.PLOT_ORIENTATION = PlotOrientation.HORIZONTAL;
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58 this.linesVisible = linesVisible;
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59 this.shapesVisible = shapesVisible;
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60 this.datasets = new HashMap();
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61 this.ranges = new HashMap();
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62 }
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63
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64
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65 protected void initData() {
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66 log.debug("init data for VerticalProfileChart");
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67
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68 String breakPoint1 = null;
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69 String breakPoint2 = null;
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70 String breakPoint3 = null;
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71
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72 Iterator iter = resultSet.iterator();
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73 Result row = null;
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74 String seriesName = null;
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75 String parameter = null;
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76 XYSeries series = null;
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77
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78 int idx = 0;
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79 int startPos = 0;
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80 int endPos = 0;
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81 double startValue = 0;
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82 double endValue = 0;
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83
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84 Result[] results =
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85 (Result[]) resultSet.toArray(new Result[resultSet.size()]);
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86
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87 while (iter.hasNext()) {
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88 row = (Result) iter.next();
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89
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90 // add current data to plot and prepare for next one
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91 if (!row.getString("GROUP1").equals(breakPoint1) ||
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92 !row.getString("GROUP2").equals(breakPoint2) ||
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93 !row.getString("GROUP3").equals(breakPoint3)
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94 ) {
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95 log.debug("prepare data/plot for next dataset");
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96
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97 if(series != null) {
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98 gapDetection(results, series, startPos, endPos);
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99 addSeries(series, parameter, idx);
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100
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101 startPos = endPos +1;
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102 }
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103
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104 // prepare variables for next plot
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105 breakPoint1 = row.getString("GROUP1");
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106 breakPoint2 = row.getString("GROUP2");
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107 breakPoint3 = row.getString("GROUP3");
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108
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109 seriesName = createSeriesName(
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110 breakPoint1,
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111 breakPoint2,
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112 breakPoint3
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113 );
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114 parameter = findParameter(seriesName);
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115
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116 log.debug("next dataset is '" + seriesName + "'");
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117 series = new XYSeries(seriesName);
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118 }
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119
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120 addValue(row, series);
416
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121 Double value = row.getDouble("YORDINATE");
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122 if (value != null)
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123 storeMaxRange(value, parameter);
340
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124 endPos++;
298
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125 }
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126
340
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127 if (results.length == 0)
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128 return;
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129
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130 gapDetection(results, series, startPos, endPos);
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131 addSeries(series, parameter, idx);
310
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132
334
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133 addDatasets();
298
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134 }
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135
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136
340
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137 protected void gapDetection(
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138 Result[] results,
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139 Series series,
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140 int startPos,
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141 int endPos
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142 ) {
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143 double startValue = results[startPos].getDouble("XORDINATE");
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144 double endValue = results[endPos-1].getDouble("XORDINATE");
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145 if (results[0].getInteger("DATAID") == 2)
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146 addGapsOnGrid(results, series, startPos, endPos);
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147 else
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148 addGaps(results, series, startValue, endValue, startPos, endPos);
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149 }
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150
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151
298
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152 protected void addValue(Result row, Series series) {
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153 ((XYSeries) series).add(
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154 row.getDouble("XORDINATE"),
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155 row.getDouble("YORDINATE")
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156 );
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157 }
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158
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159
364
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160 protected void addSeries(Series series, String parameter, int idx) {
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161 log.debug("add series (" + parameter + ")to chart");
298
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162
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163 if (series == null) {
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164 log.warn("no data to add");
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165 return;
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166 }
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167
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168 XYSeriesCollection xysc = null;
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169
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170 if (datasets.containsKey(parameter))
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171 xysc = (XYSeriesCollection) datasets.get(parameter);
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172 else
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173 xysc = new XYSeriesCollection();
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174
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175 xysc.addSeries((XYSeries) series);
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176 datasets.put(parameter, xysc);
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177 }
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178
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179
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180 protected void addDatasets() {
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181 Iterator iter = parameters.iterator();
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182 XYPlot plot = chart.getXYPlot();
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183 int idx = 0;
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184
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185 XYSeriesCollection xysc = null;
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186 KeyValueDescibeData data = null;
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187 String key = null;
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188 while (iter.hasNext()) {
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189 data = (KeyValueDescibeData) iter.next();
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190 key = data.getValue();
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191
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192 if (datasets.containsKey(key)) {
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193 xysc = (XYSeriesCollection)datasets.get(key);
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194 plot.setDataset(idx, xysc );
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195 log.debug("Added " + key + " parameter to plot.");
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196 prepareAxis(key, idx);
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197 adjustRenderer(
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198 idx++,
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199 xysc.getSeriesCount(),
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200 linesVisible,
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201 shapesVisible
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202 );
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203 }
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204 }
298
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205 }
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206
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207
315
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208 protected void localizeDomainAxis(Axis axis, Locale locale) {
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209 // call localizeRangeAxis from superclass which formats NumberAxis
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210 super.localizeRangeAxis(axis, locale);
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211 }
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212
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213
298
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214 protected String createSeriesName(
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215 String breakPoint1,
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216 String breakPoint2,
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217 String breakPoint3
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218 ) {
80f7c5dc09c6 Implementation of classes for creating timeseries, verticalprofile and horizontalprofile charts.
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219 log.debug("create seriesname of verticalprofile chart");
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220 return findValueTitle(parameters, breakPoint1) +
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221 " " +
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222 findValueTitle(measurements, breakPoint2) +
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223 "m";
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224 }
340
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225
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226
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227 protected void addGapsOnGrid(
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228 Result[] results,
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229 Series series,
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230 int startPos,
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231 int endPos
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232 ) {
530
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diff changeset
233 String axis = null;
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diff changeset
234
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235 if (results.length > (startPos+1)) {
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236 axis = getDependendAxisName(
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diff changeset
237 results[startPos],
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238 results[startPos+1]
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239 );
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240 }
d2c68f2f619b Fixed an ArrayIndexOutOfBounds-exceptions which occured if there are less than two data points for chart creation.
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241 else {
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242 axis = DEFAULT_AXIS;
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243 }
d2c68f2f619b Fixed an ArrayIndexOutOfBounds-exceptions which occured if there are less than two data points for chart creation.
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244
340
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245 double range = 0;
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246 int last = 0;
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247 int current = 0;
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248
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249 for (int i = startPos+1; i < endPos; i++) {
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250 last = results[i-1].getInteger(axis);
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251 current = results[i].getInteger(axis);
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252
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253 boolean detected = gridDetection(last, current);
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254
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255 if (detected) {
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256 double xOld = results[i-1].getDouble("XORDINATE");
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257 double xNow = results[i].getDouble("XORDINATE");
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258 log.debug("Gap detected on grid between "+ xOld +" and "+ xNow);
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259 ((XYSeries) series).add(xOld+0.0001, null);
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260 }
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261 }
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262 }
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263
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264
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265 protected void addGaps(
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266 Result[] results,
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267 Series series,
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268 double startValue,
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269 double endValue,
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270 int startPos,
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271 int endPos
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272 ) {
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
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273
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274 double last = 0;
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275 double current = 0;
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276 int num = results.length;
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277
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278 for (int i = startPos+1; i < endPos; i++) {
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279 boolean detected = false;
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280
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281 last = results[i-1].getDouble("YORDINATE");
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282 current = results[i].getDouble("YORDINATE");
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283
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284 // gap detection for more than GAP_MAX_VALUES values
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285 if (num > GAP_MAX_VALUES)
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286 detected = simpleDetection(startValue, endValue, last, current);
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287 // gap detection for less than GAP_MAX_VALUES values
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288 else
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289 detected = specialDetection(
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290 startValue,
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291 endValue,
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292 last,
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293 current,
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294 num
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diff changeset
295 );
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296
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297 if (detected) {
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298 log.info("Gap between " + last + " and " + current);
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299 ((XYSeries) series).add((last+current)/2, null);
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diff changeset
300 }
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diff changeset
301 }
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
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diff changeset
302 }
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303
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304
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305 protected boolean simpleDetection(
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306 double start,
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diff changeset
307 double end,
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diff changeset
308 double last,
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diff changeset
309 double current
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diff changeset
310 ) {
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
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diff changeset
311 double delta = Math.abs(end - start);
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diff changeset
312 double smallDelta = Math.abs(current - last);
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313
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diff changeset
314 return (smallDelta > delta / 100 * PERCENTAGE);
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diff changeset
315 }
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
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diff changeset
316
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
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diff changeset
317
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
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diff changeset
318 protected boolean specialDetection(
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diff changeset
319 double start,
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
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parents: 335
diff changeset
320 double end,
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diff changeset
321 double last,
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
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parents: 335
diff changeset
322 double current,
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diff changeset
323 int count
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
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parents: 335
diff changeset
324 ) {
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
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diff changeset
325 double delta = Math.abs(end - start);
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
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parents: 335
diff changeset
326 double smallDelta = Math.abs(current - last);
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
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parents: 335
diff changeset
327
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
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parents: 335
diff changeset
328 return (smallDelta > (3.0 / (count - 1) * delta));
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
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parents: 335
diff changeset
329 }
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
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parents: 335
diff changeset
330
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
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diff changeset
331
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
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diff changeset
332 protected boolean gridDetection(double last, double current) {
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
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parents: 335
diff changeset
333 return (Math.abs(current - last) > GAP_MAX_LEVEL);
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parents: 335
diff changeset
334 }
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
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parents: 335
diff changeset
335
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
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parents: 335
diff changeset
336
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
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diff changeset
337 protected String getDependendAxisName(Result first, Result second) {
370
061355435075 Changed depending value for gap detection in verticalprofile charts on meshes.
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parents: 364
diff changeset
338 return "KPOSITION";
340
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
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diff changeset
339 }
298
80f7c5dc09c6 Implementation of classes for creating timeseries, verticalprofile and horizontalprofile charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
340 }
315
63f8b3fb7d9a Localization of chart axis with locale which fits best to server and browser settings.
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parents: 310
diff changeset
341 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org