Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/chart/VerticalProfileChart.java @ 370:061355435075

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Changed depending value for gap detection in verticalprofile charts on meshes. gnv-artifacts/trunk@447 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Thu, 17 Dec 2009 13:21:43 +0000
parents 2413273f1c13
children 04a242c67fe6
rev   line source
298
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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 private static Logger log = Logger.getLogger(VerticalProfileChart.class);
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29
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30 protected final double PERCENTAGE = 5.0;
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31 protected final double GAP_MAX_LEVEL = Math.sqrt(2.0);
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32 protected final int GAP_MAX_VALUES = 60;
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33
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34
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35 public VerticalProfileChart(
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36 ChartLabels labels,
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37 ChartTheme theme,
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38 Collection parameters,
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39 Collection measurements,
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40 Collection dates,
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41 Collection result,
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42 Collection timeGaps,
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43 Locale locale,
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44 boolean linesVisible,
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45 boolean shapesVisible
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46 ) {
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47 this.labels = labels;
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48 this.theme = theme;
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49 this.parameters = parameters;
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50 this.measurements = measurements;
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51 this.dates = dates;
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52 this.resultSet = result;
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53 this.timeGaps = timeGaps;
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54 this.locale = locale;
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55 this.PLOT_ORIENTATION = PlotOrientation.HORIZONTAL;
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56 this.linesVisible = linesVisible;
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57 this.shapesVisible = shapesVisible;
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58 this.datasets = new HashMap();
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59 this.ranges = new HashMap();
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60 }
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61
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62
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63 protected void initData() {
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64 log.debug("init data for VerticalProfileChart");
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65
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66 String breakPoint1 = null;
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67 String breakPoint2 = null;
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68 String breakPoint3 = null;
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69
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70 Iterator iter = resultSet.iterator();
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71 Result row = null;
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72 String seriesName = null;
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73 String parameter = null;
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74 XYSeries series = null;
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75
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76 int idx = 0;
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77 int startPos = 0;
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78 int endPos = 0;
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79 double startValue = 0;
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80 double endValue = 0;
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81
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82 Result[] results =
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83 (Result[]) resultSet.toArray(new Result[resultSet.size()]);
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84
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85 while (iter.hasNext()) {
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86 row = (Result) iter.next();
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87
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88 // add current data to plot and prepare for next one
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89 if (!row.getString("GROUP1").equals(breakPoint1) ||
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90 !row.getString("GROUP2").equals(breakPoint2) ||
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91 !row.getString("GROUP3").equals(breakPoint3)
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92 ) {
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93 log.debug("prepare data/plot for next dataset");
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94
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95 if(series != null) {
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96 gapDetection(results, series, startPos, endPos);
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97 addSeries(series, parameter, idx);
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98
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99 startPos = endPos +1;
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100 }
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101
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102 // prepare variables for next plot
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103 breakPoint1 = row.getString("GROUP1");
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104 breakPoint2 = row.getString("GROUP2");
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105 breakPoint3 = row.getString("GROUP3");
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106
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107 seriesName = createSeriesName(
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108 breakPoint1,
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109 breakPoint2,
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110 breakPoint3
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111 );
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112 parameter = findParameter(seriesName);
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113
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114 log.debug("next dataset is '" + seriesName + "'");
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115 series = new XYSeries(seriesName);
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116 }
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117
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118 addValue(row, series);
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119 storeMaxRange(row.getDouble("YORDINATE"), parameter);
340
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120 endPos++;
298
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121 }
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122
340
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123 if (results.length == 0)
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124 return;
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125
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126 gapDetection(results, series, startPos, endPos);
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127 addSeries(series, parameter, idx);
310
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128
334
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129 addDatasets();
298
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130 }
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131
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132
340
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133 protected void gapDetection(
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134 Result[] results,
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135 Series series,
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136 int startPos,
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137 int endPos
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138 ) {
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139 double startValue = results[startPos].getDouble("XORDINATE");
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140 double endValue = results[endPos-1].getDouble("XORDINATE");
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141 if (results[0].getInteger("DATAID") == 2)
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142 addGapsOnGrid(results, series, startPos, endPos);
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143 else
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144 addGaps(results, series, startValue, endValue, startPos, endPos);
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145 }
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146
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147
298
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148 protected void addValue(Result row, Series series) {
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149 ((XYSeries) series).add(
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150 row.getDouble("XORDINATE"),
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151 row.getDouble("YORDINATE")
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152 );
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153 }
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154
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155
364
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156 protected void addSeries(Series series, String parameter, int idx) {
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157 log.debug("add series (" + parameter + ")to chart");
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158
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159 if (series == null) {
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160 log.warn("no data to add");
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161 return;
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162 }
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163
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164 XYSeriesCollection xysc = null;
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165
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166 if (datasets.containsKey(parameter))
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167 xysc = (XYSeriesCollection) datasets.get(parameter);
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168 else
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169 xysc = new XYSeriesCollection();
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170
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171 xysc.addSeries((XYSeries) series);
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172 datasets.put(parameter, xysc);
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173 }
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174
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175
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176 protected void addDatasets() {
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177 Iterator iter = parameters.iterator();
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178 XYPlot plot = chart.getXYPlot();
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179 int idx = 0;
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180
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181 XYSeriesCollection xysc = null;
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182 KeyValueDescibeData data = null;
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183 String key = null;
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184 while (iter.hasNext()) {
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185 data = (KeyValueDescibeData) iter.next();
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186 key = data.getValue();
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187
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188 if (datasets.containsKey(key)) {
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189 xysc = (XYSeriesCollection)datasets.get(key);
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190 plot.setDataset(idx, xysc );
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191 log.debug("Added " + key + " parameter to plot.");
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192 prepareAxis(key, idx);
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193 adjustRenderer(
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194 idx++,
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195 xysc.getSeriesCount(),
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196 linesVisible,
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197 shapesVisible
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198 );
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199 }
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200 }
298
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201 }
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202
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203
315
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204 protected void localizeDomainAxis(Axis axis, Locale locale) {
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205 // call localizeRangeAxis from superclass which formats NumberAxis
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206 super.localizeRangeAxis(axis, locale);
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207 }
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208
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209
298
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210 protected String createSeriesName(
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211 String breakPoint1,
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212 String breakPoint2,
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213 String breakPoint3
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214 ) {
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215 log.debug("create seriesname of verticalprofile chart");
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216 return findValueTitle(parameters, breakPoint1) +
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217 " " +
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218 findValueTitle(measurements, breakPoint2) +
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219 "m";
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220 }
340
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221
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222
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223 protected void addGapsOnGrid(
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224 Result[] results,
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225 Series series,
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226 int startPos,
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227 int endPos
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228 ) {
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229 String axis = getDependendAxisName(
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230 results[startPos],
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231 results[startPos+1]
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232 );
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233 double range = 0;
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234 int last = 0;
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235 int current = 0;
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236
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237 for (int i = startPos+1; i < endPos; i++) {
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238 last = results[i-1].getInteger(axis);
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239 current = results[i].getInteger(axis);
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240
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241 boolean detected = gridDetection(last, current);
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242
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243 if (detected) {
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244 double xOld = results[i-1].getDouble("XORDINATE");
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245 double xNow = results[i].getDouble("XORDINATE");
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246 log.debug("Gap detected on grid between "+ xOld +" and "+ xNow);
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247 ((XYSeries) series).add(xOld+0.0001, null);
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248 }
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249 }
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250 }
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251
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252
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253 protected void addGaps(
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254 Result[] results,
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255 Series series,
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256 double startValue,
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257 double endValue,
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258 int startPos,
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259 int endPos
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260 ) {
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261
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262 double last = 0;
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263 double current = 0;
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264 int num = results.length;
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265
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266 for (int i = startPos+1; i < endPos; i++) {
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267 boolean detected = false;
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268
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269 last = results[i-1].getDouble("YORDINATE");
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270 current = results[i].getDouble("YORDINATE");
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271
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272 // gap detection for more than GAP_MAX_VALUES values
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273 if (num > GAP_MAX_VALUES)
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274 detected = simpleDetection(startValue, endValue, last, current);
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275 // gap detection for less than GAP_MAX_VALUES values
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276 else
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277 detected = specialDetection(
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278 startValue,
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279 endValue,
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280 last,
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281 current,
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282 num
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283 );
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284
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285 if (detected) {
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286 log.info("Gap between " + last + " and " + current);
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287 ((XYSeries) series).add((last+current)/2, null);
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288 }
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289 }
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290 }
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291
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292
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293 protected boolean simpleDetection(
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294 double start,
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295 double end,
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296 double last,
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297 double current
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298 ) {
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299 double delta = Math.abs(end - start);
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300 double smallDelta = Math.abs(current - last);
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301
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302 return (smallDelta > delta / 100 * PERCENTAGE);
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303 }
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304
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305
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306 protected boolean specialDetection(
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307 double start,
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308 double end,
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309 double last,
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310 double current,
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311 int count
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312 ) {
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313 double delta = Math.abs(end - start);
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314 double smallDelta = Math.abs(current - last);
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315
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diff changeset
316 return (smallDelta > (3.0 / (count - 1) * delta));
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317 }
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318
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319
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320 protected boolean gridDetection(double last, double current) {
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diff changeset
321 return (Math.abs(current - last) > GAP_MAX_LEVEL);
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322 }
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323
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324
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325 protected String getDependendAxisName(Result first, Result second) {
370
061355435075 Changed depending value for gap detection in verticalprofile charts on meshes.
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diff changeset
326 return "KPOSITION";
340
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327 }
298
80f7c5dc09c6 Implementation of classes for creating timeseries, verticalprofile and horizontalprofile charts.
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328 }
315
63f8b3fb7d9a Localization of chart axis with locale which fits best to server and browser settings.
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329 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org