Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/chart/VerticalProfileChart.java @ 774:d0a39efbfd96

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Removed race-condition when trying to access the index of the next line color used in charts (applied patch in issue211). gnv-artifacts/trunk@834 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Fri, 26 Mar 2010 10:06:36 +0000
parents 79401c871da4
children 9a828e5a2390
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.Map;
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6 import java.util.Iterator;
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7 import java.util.Locale;
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8
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9 import org.apache.log4j.Logger;
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10
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11 import org.jfree.chart.ChartTheme;
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12 import org.jfree.chart.axis.Axis;
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13 import org.jfree.chart.axis.NumberAxis;
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14 import org.jfree.chart.plot.XYPlot;
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15 import org.jfree.chart.plot.PlotOrientation;
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16 import org.jfree.data.Range;
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17 import org.jfree.data.general.Series;
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18 import org.jfree.data.xy.XYSeries;
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19 import org.jfree.data.xy.XYSeriesCollection;
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20
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21 import de.intevation.gnv.geobackend.base.Result;
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22 import de.intevation.gnv.state.describedata.KeyValueDescibeData;
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24
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25 /**
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26 * This class is used to create xy charts of vertical profiles.
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27 *
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28 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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29 */
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30 public class VerticalProfileChart
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31 extends AbstractXYLineChart
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32 {
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33 /**
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34 * Default axis identifier which is used if @see #getDependendAxisName does
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35 * not return a value. The value of this field is {@value}.
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36 */
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37 public static final String DEFAULT_AXIS = "KPOSITION";
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38
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39 /**
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40 * Logger used for logging with log4j.
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41 */
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42 private static Logger log = Logger.getLogger(VerticalProfileChart.class);
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43
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44 /**
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45 * Constant used for gap detection. Its value is {@value}.
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46 */
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47 protected final double PERCENTAGE = 5.0;
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49 /**
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50 * Constnat used for gap detection in @see #gridDetection. Its value is
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51 * {@value}.
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52 */
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53 protected final double GAP_MAX_LEVEL = Math.sqrt(2.0);
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54
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55 /**
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56 * Constant used for gap detection in @see #addGaps. Its value is {@value}.
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57 */
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58 protected final int GAP_MAX_VALUES = 60;
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59
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60 /**
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61 * Map to store max ranges of each parameter
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62 * (org.jfree.chart.axis.Axis.setAutoRange(true) doesn't seem to work
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63 * properly.
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64 */
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65 protected Map values;
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66
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67
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68 /**
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69 * Constructor used to create xy-charts.
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70 *
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71 * @param labels Labels used to be displayed in title, subtitle and so on.
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72 * @param theme ChartTheme used to adjust the rendering of this chart.
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73 * @param parameters Collection containing a bunch of parameters.
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74 * @param measurements Collection containing a bunch of measurements.
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75 * @param dates Collection containing a bunch of date objects.
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76 * @param result Collection containing a bunch of <code>Result</code>
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77 * objects which contain the actual data items to be displayed.
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78 * @param timeGaps Collection with timegap definitions.
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79 * @param locale Locale used to specify the format of labels, numbers, ...
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80 * @param linesVisible Render lines between data points if true, otherwise
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81 * not.
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82 * @param shapesVisible Render vertices as points if true, otherwise not.
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83 */
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84 public VerticalProfileChart(
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85 ChartLabels labels,
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86 ChartTheme theme,
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87 Collection parameters,
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88 Collection measurements,
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89 Collection dates,
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90 Collection result,
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91 Collection timeGaps,
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92 Locale locale,
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93 boolean linesVisible,
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94 boolean shapesVisible
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95 ) {
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96 this.labels = labels;
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97 this.theme = theme;
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98 this.parameters = parameters;
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99 this.measurements = measurements;
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100 this.dates = dates;
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101 this.resultSet = result;
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102 this.timeGaps = timeGaps;
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103 this.locale = locale;
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104 this.PLOT_ORIENTATION = PlotOrientation.HORIZONTAL;
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105 this.linesVisible = linesVisible;
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106 this.shapesVisible = shapesVisible;
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107 this.datasets = new HashMap();
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108 this.ranges = new HashMap();
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109 this.values = new HashMap();
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110 }
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112
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113 /**
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114 * @see de.intevation.gnv.chart.AbstractXYLineChart#initData()
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115 */
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116 @Override
298
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117 protected void initData() {
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118 log.debug("init data for VerticalProfileChart");
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119
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120 String breakPoint1 = null;
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121 String breakPoint2 = null;
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122 String breakPoint3 = null;
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123
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124 Iterator iter = resultSet.iterator();
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125 Result row = null;
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126 String seriesName = null;
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127 String parameter = null;
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128 XYSeries series = null;
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129
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130 int idx = 0;
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131 int startPos = 0;
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132 int endPos = 0;
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133 double startValue = 0;
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134 double endValue = 0;
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135
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136 Result[] results =
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137 (Result[]) resultSet.toArray(new Result[resultSet.size()]);
298
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138
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139 while (iter.hasNext()) {
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140 row = (Result) iter.next();
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141
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142 // add current data to plot and prepare for next one
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143 if (!row.getString("GROUP1").equals(breakPoint1) ||
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144 !row.getString("GROUP2").equals(breakPoint2) ||
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145 !row.getString("GROUP3").equals(breakPoint3)
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146 ) {
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147 log.debug("prepare data/plot for next dataset");
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148
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149 if(series != null) {
340
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150 gapDetection(results, series, startPos, endPos);
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151 addSeries(series, parameter, idx);
340
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152
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153 startPos = endPos +1;
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154 }
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155
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156 // prepare variables for next plot
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157 breakPoint1 = row.getString("GROUP1");
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158 breakPoint2 = row.getString("GROUP2");
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159 breakPoint3 = row.getString("GROUP3");
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160
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161 seriesName = createSeriesName(
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162 breakPoint1,
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163 breakPoint2,
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164 breakPoint3
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165 );
364
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166 parameter = findParameter(seriesName);
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167
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168 log.debug("next dataset is '" + seriesName + "'");
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169 series = new XYSeries(seriesName);
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170 }
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171
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172 addValue(row, series);
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173 Object x = getValue(row);
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174 Double y = row.getDouble("YORDINATE");
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175 if (x != null && y != null) {
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176 storeMaxRange(ranges, y, parameter);
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177 storeMaxValue(values, x, parameter);
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178 }
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179 endPos++;
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180 }
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181
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182 if (results.length == 0)
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183 return;
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184
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185 gapDetection(results, series, startPos, endPos);
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186 addSeries(series, parameter, idx);
310
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187
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188 addDatasets();
298
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189 }
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190
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191
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192 /**
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193 * Extract the important value from <code>Result</code> object.
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194 *
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195 * @param row <code>Result</code> object which contains a required value.
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196 *
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197 * @return X-ordinate
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198 */
656
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199 protected Object getValue(Result row) {
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200 return row.getDouble("XORDINATE");
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201 }
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202
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203
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204 /**
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205 * General method to start a gap detection. The switch between standard gap
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206 * detection method <code>addGaps</code> and a specialized method
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207 * <code>addGapsOnGrid</code> is done by a parameter <code>DATEID</code>
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208 * which is stored a each <code>Result</code> object. Specialized method is
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209 * used if <code>DATEID</code> equals 2, otherwise the standard method is
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210 * used.
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211 *
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212 * @param results Array of <code>Result</code> objects storing data of
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213 * this chart.
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214 * @param series Series used to add gaps.
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215 * @param startPos Index of first element of series in results.
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216 * @param endPos Index of last element of series in results.
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217 */
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218 protected void gapDetection(
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219 Result[] results,
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220 Series series,
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221 int startPos,
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222 int endPos
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223 ) {
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224 double startValue = results[startPos].getDouble("XORDINATE");
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225 double endValue = results[endPos-1].getDouble("XORDINATE");
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226 if (results[0].getInteger("DATAID") == 2)
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227 addGapsOnGrid(results, series, startPos, endPos);
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228 else
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229 addGaps(results, series, startValue, endValue, startPos, endPos);
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230 }
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231
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232
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233 /**
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234 * Method to expand max range of a range axis identified by seriesKey.
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235 * <code>LOWER_MARGIN</code> and <code>UPPER_MARGIN</code> are used to
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236 * expand the range.
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237 *
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238 * @param seriesKey Key to identify the series stored at the current
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239 * Dataset.
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240 * @param idx Currently not used.
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241 */
656
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242 protected void prepareRangeAxis(String seriesKey, int idx) {
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243 XYPlot plot = chart.getXYPlot();
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244 NumberAxis xAxis = (NumberAxis) plot.getDomainAxis();
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245
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246 Range xRange = (Range) values.get(seriesKey);
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247 xAxis.setRange(Range.expand(xRange, LOWER_MARGIN, UPPER_MARGIN));
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248 log.debug("Max X-Range of dataset is: " + xRange.toString());
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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 * @see de.intevation.gnv.chart.AbstractXYLineChart#addValue(Result, Series)
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254 */
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255 @Override
298
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256 protected void addValue(Result row, Series series) {
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257 ((XYSeries) series).add(
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258 row.getDouble("XORDINATE"),
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259 row.getDouble("YORDINATE")
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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 * @see de.intevation.gnv.chart.AbstractXYLineChart#addSeries(Series, String,
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266 * int)
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267 */
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268 @Override
364
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269 protected void addSeries(Series series, String parameter, int idx) {
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270 log.debug("add series (" + parameter + ")to chart");
298
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271
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272 if (series == null) {
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273 log.warn("no data to add");
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274 return;
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275 }
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276
334
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277 XYSeriesCollection xysc = null;
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278
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279 if (datasets.containsKey(parameter))
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280 xysc = (XYSeriesCollection) datasets.get(parameter);
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281 else
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282 xysc = new XYSeriesCollection();
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283
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284 xysc.addSeries((XYSeries) series);
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285 datasets.put(parameter, xysc);
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286 }
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287
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288
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289 /**
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290 * Method to add processed datasets to plot. Each dataset is adjusted using
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291 * <code>prepareAxis</code> and <code>adjustRenderer</code> methods.
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292 */
334
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293 protected void addDatasets() {
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294 Iterator iter = parameters.iterator();
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295 XYPlot plot = chart.getXYPlot();
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296 int idx = 0;
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297
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298 XYSeriesCollection xysc = null;
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299 KeyValueDescibeData data = null;
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300 String key = null;
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301 while (iter.hasNext()) {
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302 data = (KeyValueDescibeData) iter.next();
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303 key = data.getValue();
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304
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305 if (datasets.containsKey(key)) {
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306 xysc = (XYSeriesCollection)datasets.get(key);
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307 plot.setDataset(idx, xysc );
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308 log.debug("Added " + key + " parameter to plot.");
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309 prepareAxis(key, idx);
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310 prepareRangeAxis(key, idx);
334
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311 adjustRenderer(
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312 idx++,
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313 xysc.getSeriesCount(),
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314 linesVisible,
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315 shapesVisible
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316 );
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317 }
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318 }
298
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319 }
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320
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321
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322 /**
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323 * Method used to store the max y-range of each parameter in this chart.
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324 *
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325 * @param values Map to store max values for each parameter.
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326 * @param val Value used to be a Double.
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327 * @param parameter Title used to identify a range object stored in values.
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328 */
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329 protected void storeMaxValue(Map values, Object val, String parameter) {
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330 double value = ((Double) val).doubleValue();
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331 Range range = null;
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332
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333 range = values.containsKey(parameter)
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334 ? (Range) values.get(parameter)
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335 : new Range(value, value);
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336
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337 double lower = range.getLowerBound();
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338 double upper = range.getUpperBound();
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339
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340 lower = value < lower ? value : lower;
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341 upper = value > upper ? value : upper;
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342
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343 values.put(parameter, new Range(lower, upper));
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344 }
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345
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346
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347 /**
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348 * @see de.intevation.gnv.chart.AbstractXYLineChart#localizeDomainAxis(Axis,
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349 * Locale)
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350 */
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351 @Override
315
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352 protected void localizeDomainAxis(Axis axis, Locale locale) {
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353 // call localizeRangeAxis from superclass which formats NumberAxis
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354 super.localizeRangeAxis(axis, locale);
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355 }
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356
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357
767
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358 /**
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359 * @see de.intevation.gnv.chart.AbstractXYLineChart#createSeriesName(String,
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360 * String, String)
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361 */
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362 @Override
298
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363 protected String createSeriesName(
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364 String breakPoint1,
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365 String breakPoint2,
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366 String breakPoint3
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367 ) {
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368 log.debug("create seriesname of verticalprofile chart");
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369 return findValueTitle(parameters, breakPoint1) +
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370 " " +
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371 findValueTitle(measurements, breakPoint2) +
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372 "m";
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373 }
340
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374
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375
767
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376 /**
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377 * Method used to add gaps between data points on grids. The real detection
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378 * is done in <code>gridDetection</code>.
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379 *
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380 * @param results Array of <code>Result</code> objects storing the relevant
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381 * values.
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382 * @param series Series object where the gaps are added to.
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383 * @param startPos Index of first element which should be used in gap
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384 * detection. Other series are stored in results as well.
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385 * @param endPos Index of last element which should be used in gap
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386 * detection.
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387 */
340
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388 protected void addGapsOnGrid(
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389 Result[] results,
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390 Series series,
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391 int startPos,
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392 int endPos
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393 ) {
530
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394 String axis = null;
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395
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396 if (results.length > (startPos+1)) {
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397 axis = getDependendAxisName(
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398 results[startPos],
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399 results[startPos+1]
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400 );
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401 }
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402 else {
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403 axis = DEFAULT_AXIS;
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404 }
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405
340
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406 double range = 0;
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407 int last = 0;
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408 int current = 0;
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409
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410 for (int i = startPos+1; i < endPos; i++) {
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411 last = results[i-1].getInteger(axis);
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412 current = results[i].getInteger(axis);
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413
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414 boolean detected = gridDetection(last, current);
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415
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416 if (detected) {
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417 double xOld = results[i-1].getDouble("XORDINATE");
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418 double xNow = results[i].getDouble("XORDINATE");
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419 log.debug("Gap detected on grid between "+ xOld +" and "+ xNow);
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420 ((XYSeries) series).add(xOld+0.0001, null);
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421 }
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422 }
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423 }
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424
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425
767
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426 /**
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427 * Standarad method to add gaps. There are two different methods to detect
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428 * gaps. <code>simpleDetection</code> is used if the number of data points
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429 * in this chart is lower than <code>GAP_MAX_VALUES</code>. Otherwise
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430 * <code>specialDetection</code> is used. A data point with
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431 * <code>null</code> value is added where a gap should be. This lets
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432 * JFreeChart break the current graph.
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433 *
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434 * @param results Array of <code>Result</code> objects storing the relevant
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435 * values.
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436 * @param series Series object where the gaps are added to.
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437 * @param startValue First data point value in series.
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438 * @param endValue Last data point value in series.
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439 * @param startPos Index of first data point in results which contains all
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440 * data points of all series.
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441 * @param endPos Index of last data point in results which contains all data
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442 * points of all series.
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443 */
340
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444 protected void addGaps(
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445 Result[] results,
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diff changeset
446 Series series,
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447 double startValue,
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diff changeset
448 double endValue,
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449 int startPos,
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450 int endPos
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451 ) {
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diff changeset
452
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diff changeset
453 double last = 0;
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diff changeset
454 double current = 0;
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455 int num = results.length;
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diff changeset
456
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diff changeset
457 for (int i = startPos+1; i < endPos; i++) {
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458 boolean detected = false;
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459
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diff changeset
460 last = results[i-1].getDouble("YORDINATE");
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diff changeset
461 current = results[i].getDouble("YORDINATE");
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diff changeset
462
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463 // gap detection for more than GAP_MAX_VALUES values
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diff changeset
464 if (num > GAP_MAX_VALUES)
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diff changeset
465 detected = simpleDetection(startValue, endValue, last, current);
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diff changeset
466 // gap detection for less than GAP_MAX_VALUES values
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
467 else
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
468 detected = specialDetection(
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
469 startValue,
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
470 endValue,
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
471 last,
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
472 current,
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
473 num
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
474 );
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
475
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
476 if (detected) {
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
477 log.info("Gap between " + last + " and " + current);
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
478 ((XYSeries) series).add((last+current)/2, null);
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
479 }
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
480 }
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
481 }
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
482
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
483
767
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
484 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
485 * Simple method to detect gaps. A gap is detected if the delta between two
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
486 * data points (current, last) is bigger than <code>PERCENTAGE</code> percent
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
487 * of delta of start and end.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
488 * <br>
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
489 * (smallDelta &gt; delta / 100 * PERCENTAGE)
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
490 *
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
491 * @param start First data point value in a series.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
492 * @param end Last data point value in a series.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
493 * @param last Left value
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
494 * @param current Right value
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
495 *
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
496 * @return true, if a gap is detected between last and current - otherwise
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
497 * false.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
498 */
340
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
499 protected boolean simpleDetection(
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
500 double start,
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
501 double end,
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
502 double last,
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
503 double current
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
504 ) {
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
505 double delta = Math.abs(end - start);
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
506 double smallDelta = Math.abs(current - last);
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
507
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
508 return (smallDelta > delta / 100 * PERCENTAGE);
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
509 }
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
510
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
511
767
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
512 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
513 * Method to detect gaps between two data points. Following formula is used
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
514 * for detection:<br>
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
515 * smallDelta &gt; (3.0 / (count - 1) * delta)<br>
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
516 * smallDelta = current - last<br>
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
517 * delta = end - start
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
518 *
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
519 * @param start First data point value in a series.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
520 * @param end Last data point value in a series.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
521 * @param last Left value
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
522 * @param current Right value
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
523 *
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
524 * @return true, if a gap is detected between last and current - otherwise
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
525 * false.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
526 */
340
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
527 protected boolean specialDetection(
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
528 double start,
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
529 double end,
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
530 double last,
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
531 double current,
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
532 int count
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
533 ) {
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
534 double delta = Math.abs(end - start);
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
535 double smallDelta = Math.abs(current - last);
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
536
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
537 return (smallDelta > (3.0 / (count - 1) * delta));
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
538 }
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
539
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
540
767
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
541 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
542 * Method used to detect gaps between two data points grids. If the delta
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
543 * between current and last is bigger than <code>GAP_MAX_LEVEL</code>, a gap
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
544 * is detected.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
545 *
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
546 * @param last Left value
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
547 * @param current Right value
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
548 *
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
549 * @return True, if a gap was detected - otherwise false.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
550 */
340
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
551 protected boolean gridDetection(double last, double current) {
643
24a85678bd39 Added some more debug information while gap detection.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 530
diff changeset
552 if (log.isDebugEnabled()) {
24a85678bd39 Added some more debug information while gap detection.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 530
diff changeset
553 log.debug("######################################################");
24a85678bd39 Added some more debug information while gap detection.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 530
diff changeset
554 log.debug("Parameters for gap detection");
24a85678bd39 Added some more debug information while gap detection.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 530
diff changeset
555 log.debug("Defined gap size for grids: " + GAP_MAX_LEVEL);
24a85678bd39 Added some more debug information while gap detection.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 530
diff changeset
556 log.debug("1st value to compare: " + last);
24a85678bd39 Added some more debug information while gap detection.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 530
diff changeset
557 log.debug("2nd value to compare: " + current);
24a85678bd39 Added some more debug information while gap detection.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 530
diff changeset
558 log.debug("Difference: " + Math.abs(current - last));
24a85678bd39 Added some more debug information while gap detection.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 530
diff changeset
559 }
340
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
560 return (Math.abs(current - last) > GAP_MAX_LEVEL);
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
561 }
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
562
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
563
767
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
564 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
565 * This method returns the key which is used to retrieve the y-value served
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
566 * by a <code>Result</code> object.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
567 *
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
568 * @param first <code>Result</code> object - not used in this class.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
569 * @param second <code>Result</code> object - not used in this class.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
570 *
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
571 * @return the string "KPOSITION"
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
572 */
340
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
573 protected String getDependendAxisName(Result first, Result second) {
370
061355435075 Changed depending value for gap detection in verticalprofile charts on meshes.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 364
diff changeset
574 return "KPOSITION";
340
07a64cfafdf1 Added gap detection in horizontal and vertical profile charts. Distinguish between meshes and other data sources.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 335
diff changeset
575 }
298
80f7c5dc09c6 Implementation of classes for creating timeseries, verticalprofile and horizontalprofile charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
576 }
315
63f8b3fb7d9a Localization of chart axis with locale which fits best to server and browser settings.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 310
diff changeset
577 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org