Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/chart/AbstractXYLineChart.java @ 1104:5207d09e4af6

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Fixed range calculation for y-axes in the base chart class (issue233). gnv-artifacts/trunk@1234 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Mon, 28 Jun 2010 16:48:03 +0000
parents 22c18083225e
children f953c9a559d8
rev   line source
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1 package de.intevation.gnv.chart;
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2
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3 import de.intevation.gnv.geobackend.base.Result;
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5 import de.intevation.gnv.state.describedata.KeyValueDescibeData;
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7 import java.awt.Color;
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9 import java.awt.geom.Ellipse2D;
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11 import java.text.NumberFormat;
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13 import java.util.Collection;
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14 import java.util.Iterator;
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15 import java.util.Locale;
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16 import java.util.Map;
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18 import org.apache.log4j.Logger;
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20 import org.jfree.chart.ChartFactory;
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21 import org.jfree.chart.JFreeChart;
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23 import org.jfree.chart.axis.Axis;
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24 import org.jfree.chart.axis.AxisLocation;
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25 import org.jfree.chart.axis.NumberAxis;
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26 import org.jfree.chart.axis.NumberTickUnit;
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28 import org.jfree.chart.plot.PlotOrientation;
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29 import org.jfree.chart.plot.XYPlot;
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31 import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
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32
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33 import org.jfree.chart.title.TextTitle;
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35 import org.jfree.data.Range;
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37 import org.jfree.data.general.Series;
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39 import org.jfree.data.xy.XYDataset;
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41 import org.jfree.ui.RectangleInsets;
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43 /**
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44 * This abstract class defines some methods to adjust chart settings after its
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45 * creation.
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46 *
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47 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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48 */
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49 public abstract class AbstractXYLineChart
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50 extends AbstractChart
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51 {
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52 /**
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53 * Constant field used to expand the area between data and chart border. Its
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54 * value is {@value}.<br>
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55 * A value of 0.05 equals 5 percent.
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56 */
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57 public static final double LOWER_MARGIN = 0.05D;
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58
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59 /**
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60 * Constant field used to expand the area between data and chart border. Its
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61 * value is {@value}.<br>
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62 * A value of 0.05 equals 5 percent.
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63 */
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64 public static final double UPPER_MARGIN = 0.05D;
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65
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66 /**
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67 * Logger used to log with log4j.
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68 */
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69 private static Logger log = Logger.getLogger(AbstractXYLineChart.class);
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71 /**
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72 * Field of supported colors used for lines and data points in charts.
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73 */
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74 protected static Color[] COLOR = {
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75 Color.black, Color.red, Color.green, Color.blue, Color.yellow,
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76 Color.gray, Color.orange, Color.pink, Color.cyan
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77 };
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78
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79 /**
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80 * Static field to remember the index of the previously used color.
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81 */
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82 protected static int nextColor = 0;
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84 /**
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85 * Default <code>PlotOrientation</code>.
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86 */
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87 protected PlotOrientation PLOT_ORIENTATION = PlotOrientation.VERTICAL;
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89 /**
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90 * Map to store datasets for each parameter.
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91 */
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92 protected Map datasets;
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94 /**
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95 * Map to store max ranges of each parameter (axis.setAutoRange(true)
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96 * doesn't seem to work */
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97 protected Map ranges;
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99 /**
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100 * This method is called by <code>Chart</code> to bring the data into the
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101 * right form fitting to JFreeChart objects.
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102 */
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103 protected abstract void initData();
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105 /**
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106 * Add a value of <code>row</code> to <code>series</code>.
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107 *
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108 * @param row <code>Result</code> Object returned from database. Contains
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109 * a value used to add to <code>series</code>
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110 * @param series A JFreeChart Series object.
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111 */
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112 protected abstract void addValue(Result row, Series series);
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114 /**
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115 * Add <code>series</code> to JFreeChart's Dataset object currently which is
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116 * processing.
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117 *
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118 * @param series Series to add.
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119 * @param label Label used show in legend.
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120 * @param idx Currently not used.
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121 */
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122 protected abstract void addSeries(Series series, String label, int idx);
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123
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124 /**
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125 * Abstract method which is called by <code>Chart</code> interface after
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126 * chart creation. It turns an axis' label into a locale specific format.
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127 *
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128 * @param axis Axis to adjust.
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129 * @param locale java.util.Locale object used specify the format.
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130 */
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131 protected abstract void localizeDomainAxis(Axis axis, Locale locale);
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132
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133 /**
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134 * Abstract method to create a label for a series of parameters.
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135 *
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136 * @param breakPoint1 Identifier returned from database. These identifier
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137 * are used to identify the results from database which are all stored in
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138 * one big java.util.Collection.
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139 * @param breakPoint2 Identifier returned from database.
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140 * @param breakPoint3 Identifier returned from database.
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141 *
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142 * @return Concatinated string of parameter name and measurement.
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143 */
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144 protected abstract String createSeriesName(
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145 String breakPoint1,
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146 String breakPoint2,
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147 String breakPoint3
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148 );
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149
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150
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151 /**
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152 * @see de.intevation.gnv.chart.Chart#generateChart()
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153 */
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154 public JFreeChart generateChart() {
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155 log.debug("generate XYLineChart");
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4ac3c1c1c060 Stabilized color of lines in charts. Exports (pdf, svg, png) will look like the chart in gui.
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156 nextColor = 0;
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157
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158 if (chart != null)
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159 return chart;
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160
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161 initChart();
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162
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163 chart.addSubtitle(new TextTitle(labels.getSubtitle()));
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164
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165 theme.apply(chart);
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166 initData();
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167
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168 adjustPlot((XYPlot)chart.getPlot());
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169
333
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170 return chart;
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171 }
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172
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173
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174 protected void initChart() {
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175 chart = ChartFactory.createXYLineChart(
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176 labels.getTitle(),
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177 labels.getDomainAxisLabel(),
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178 null,
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179 null,
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180 PLOT_ORIENTATION,
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181 true,
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182 false,
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183 false
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184 );
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185 }
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186
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187
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188 /**
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189 * Method used to adjust the axes after chart generation. Methods for i18n
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190 * support ({@link #localizeDomainAxis} and {@link #localizeRangeAxis}) are
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191 * called and axes of this series are expanded.
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192 *
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193 * @param seriesKey Identifier of an axis which have to be adjusted.
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194 * @param idx Set the axis identified by <code>seriesKey</code> to position
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195 * <code>idx</code>.
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196 */
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197 protected void prepareAxis(String seriesKey, int idx) {
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198 log.debug("prepare axis of xychart");
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199
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200 XYPlot plot = chart.getXYPlot();
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201 Axis xAxis = plot.getDomainAxis();
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202 NumberAxis yAxis = new NumberAxis(seriesKey);
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203
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204 localizeDomainAxis(xAxis, locale);
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205 localizeRangeAxis(yAxis, locale);
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206
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207 // litte workarround to adjust the max range of axes.
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208 // NumberAxis.setAutoRange(true) doesn't seem to work properly.
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209 Range yRange = (Range) ranges.get(seriesKey);
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210 double lo = yRange.getLowerBound();
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211 double hi = yRange.getUpperBound();
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212
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213 if (lo == hi) {
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214 yRange = new Range(
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215 lo - (lo / 100 * LOWER_MARGIN),
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216 hi + (hi / 100 * UPPER_MARGIN));
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217 }
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218 else {
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219 yRange = Range.expand(yRange, LOWER_MARGIN, UPPER_MARGIN);
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220 }
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221 yAxis.setRange(yRange);
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222 log.debug("Max Range of dataset is: " + yRange.toString());
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223
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224 if (seriesKey.contains("richtung")) {
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225 yAxis.setTickUnit(new NumberTickUnit(30.0));
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226 yAxis.setUpperBound(360.0);
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227 yAxis.setLowerBound(0.0);
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228 }
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229 else {
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230 yAxis.setFixedDimension(10.0);
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231 yAxis.setAutoRangeIncludesZero(false);
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232 }
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233
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234 plot.setRangeAxis(idx, yAxis);
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235 yAxis.configure();
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236
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237 if (idx % 2 != 0)
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238 plot.setRangeAxisLocation(idx, AxisLocation.BOTTOM_OR_RIGHT);
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239 else
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240 plot.setRangeAxisLocation(idx, AxisLocation.BOTTOM_OR_LEFT);
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241
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242 plot.mapDatasetToRangeAxis(idx, idx);
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243 }
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244
327
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245
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246 /**
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247 * Method to adjust the rendering of a series in a chart. Line color and
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248 * symbols of vertices are configured here.
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249 *
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250 * @param idx Position of the renderer.
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251 * @param seriesCount Maximum number of series in this chart.
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252 * @param renderLines Lines are displayed if true, otherwise they are not.
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253 * @param renderShapes Vertices are displayed if true, otherwise they are
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254 * not.
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255 */
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256 protected void adjustRenderer(
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257 int idx,
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258 int seriesCount,
327
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259 boolean renderLines,
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260 boolean renderShapes
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261 ) {
334
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262 log.debug("Adjust render of series");
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263 XYLineAndShapeRenderer renderer = null;
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264 XYPlot plot = chart.getXYPlot();
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265
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266 try {
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267 renderer = (XYLineAndShapeRenderer)((XYLineAndShapeRenderer)
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268 (plot.getRenderer())).clone();
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269 }
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270 catch (CloneNotSupportedException cnse) {
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271 log.warn("Error while cloning renderer.", cnse);
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272 renderer = new XYLineAndShapeRenderer(renderLines, renderShapes);
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273 renderer.setBaseShape(new Ellipse2D.Double(-2,-2,4,4));
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274 }
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275
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276 for (int i = 0; i < seriesCount; i++) {
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277 renderer.setSeriesShape(i, renderer.getSeriesShape(0));
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278 renderer.setSeriesPaint(i, COLOR[nextColor() % COLOR.length]);
334
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279 renderer.setSeriesShapesVisible(i, renderShapes);
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280 renderer.setSeriesLinesVisible(i, renderLines);
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281 }
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282 plot.setRenderer(idx, renderer);
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283 }
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284
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285
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286 /**
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287 * @return Index of the next color
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288 */
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289 protected static synchronized int nextColor() {
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290 return nextColor++;
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291 }
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292
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293
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294 /**
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295 * Method to adjust the plot rendering. Disable horizontal grid lines if
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296 * <code>plot</code> contains only a single y-axis.
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297 *
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298 * @param plot JFreeChart Plot object to be adjusted.
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299 */
344
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300 protected void adjustPlot(XYPlot plot) {
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301 if (plot.getRangeAxisCount() > 1)
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302 plot.setRangeGridlinesVisible(false);
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303
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304 plot.setAxisOffset(new RectangleInsets(0, 0, 0, 15));
344
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305 }
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306
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307
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308 /**
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309 * Abstract method which is called after chart creation. It turns an
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310 * axis' label into a locale specific format.
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311 *
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312 * @param axis Axis to adjust.
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313 * @param locale java.util.Locale object used specify the format.
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314 *
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315 */
315
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316 protected void localizeRangeAxis(Axis axis, Locale locale) {
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317 if (locale == null)
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318 return;
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319
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320 log.debug(
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321 "Set language of axis [" + axis.getLabel() + "] " +
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322 "to " + locale.toString()
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323 );
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324
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325 NumberFormat format = NumberFormat.getInstance(locale);
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326 ((NumberAxis) axis).setNumberFormatOverride(format);
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327 }
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328
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329
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330 /**
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331 * Return the maximum y-range of <code>dataset</code>.
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332 *
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333 * @param dataset Dataset to be scaned.
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334 *
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335 * @return JFreeChart Range object containing min and max y-value.
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336 */
364
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337 public Range getMaxRangeOfDataset(XYDataset dataset) {
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338 int seriesCount = dataset.getSeriesCount();
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339 double upper = Double.NEGATIVE_INFINITY;
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340 double lower = Double.POSITIVE_INFINITY;
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341
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342 for (int i = 0; i < seriesCount; i++) {
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343 int itemCount = dataset.getItemCount(i);
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344
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345 for (int j = 0; j < itemCount; j++) {
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346 Number num = dataset.getY(i, j);
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347
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348 if (num != null) {
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349 double y = num.doubleValue();
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350 lower = y < lower ? y : lower;
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351 upper = y > upper ? y : upper;
2413273f1c13 Workarround: Store lower and upper bounds of data while iterating over all data and set the max range of axes with these information. JFreeCharts method NumberAxis.setAutoRange(true) doesn't seem to work properly.
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352 }
2413273f1c13 Workarround: Store lower and upper bounds of data while iterating over all data and set the max range of axes with these information. JFreeCharts method NumberAxis.setAutoRange(true) doesn't seem to work properly.
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353 }
2413273f1c13 Workarround: Store lower and upper bounds of data while iterating over all data and set the max range of axes with these information. JFreeCharts method NumberAxis.setAutoRange(true) doesn't seem to work properly.
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354 }
2413273f1c13 Workarround: Store lower and upper bounds of data while iterating over all data and set the max range of axes with these information. JFreeCharts method NumberAxis.setAutoRange(true) doesn't seem to work properly.
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355
2413273f1c13 Workarround: Store lower and upper bounds of data while iterating over all data and set the max range of axes with these information. JFreeCharts method NumberAxis.setAutoRange(true) doesn't seem to work properly.
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356 return new Range(lower, upper);
2413273f1c13 Workarround: Store lower and upper bounds of data while iterating over all data and set the max range of axes with these information. JFreeCharts method NumberAxis.setAutoRange(true) doesn't seem to work properly.
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357 }
2413273f1c13 Workarround: Store lower and upper bounds of data while iterating over all data and set the max range of axes with these information. JFreeCharts method NumberAxis.setAutoRange(true) doesn't seem to work properly.
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358
2413273f1c13 Workarround: Store lower and upper bounds of data while iterating over all data and set the max range of axes with these information. JFreeCharts method NumberAxis.setAutoRange(true) doesn't seem to work properly.
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359
767
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360 /**
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361 * Return the maximum y-range of <code>dataset</code> with a margin of
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362 * <code>percent</code> percent.
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363 *
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364 * @param dataset Dataset to be scaned.
788
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365 * @param percent Percent used to expand the range.
767
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366 * @return JFreeChart Range object containing min and max y-value with a
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367 * margin.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
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368 */
364
2413273f1c13 Workarround: Store lower and upper bounds of data while iterating over all data and set the max range of axes with these information. JFreeCharts method NumberAxis.setAutoRange(true) doesn't seem to work properly.
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369 public Range getMaxRangeOfDatasetWithMargin(
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370 XYDataset dataset,
2413273f1c13 Workarround: Store lower and upper bounds of data while iterating over all data and set the max range of axes with these information. JFreeCharts method NumberAxis.setAutoRange(true) doesn't seem to work properly.
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371 double percent
2413273f1c13 Workarround: Store lower and upper bounds of data while iterating over all data and set the max range of axes with these information. JFreeCharts method NumberAxis.setAutoRange(true) doesn't seem to work properly.
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372 ) {
2413273f1c13 Workarround: Store lower and upper bounds of data while iterating over all data and set the max range of axes with these information. JFreeCharts method NumberAxis.setAutoRange(true) doesn't seem to work properly.
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373 Range range = getMaxRangeOfDataset(dataset);
2413273f1c13 Workarround: Store lower and upper bounds of data while iterating over all data and set the max range of axes with these information. JFreeCharts method NumberAxis.setAutoRange(true) doesn't seem to work properly.
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374 double length = range.getLength();
2413273f1c13 Workarround: Store lower and upper bounds of data while iterating over all data and set the max range of axes with these information. JFreeCharts method NumberAxis.setAutoRange(true) doesn't seem to work properly.
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375 double upper = range.getUpperBound() + length /100 * percent;
2413273f1c13 Workarround: Store lower and upper bounds of data while iterating over all data and set the max range of axes with these information. JFreeCharts method NumberAxis.setAutoRange(true) doesn't seem to work properly.
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376 double lower = range.getLowerBound() - length /100 * percent;
2413273f1c13 Workarround: Store lower and upper bounds of data while iterating over all data and set the max range of axes with these information. JFreeCharts method NumberAxis.setAutoRange(true) doesn't seem to work properly.
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parents: 351
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377
2413273f1c13 Workarround: Store lower and upper bounds of data while iterating over all data and set the max range of axes with these information. JFreeCharts method NumberAxis.setAutoRange(true) doesn't seem to work properly.
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378 return new Range(lower, upper);
2413273f1c13 Workarround: Store lower and upper bounds of data while iterating over all data and set the max range of axes with these information. JFreeCharts method NumberAxis.setAutoRange(true) doesn't seem to work properly.
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379 }
2413273f1c13 Workarround: Store lower and upper bounds of data while iterating over all data and set the max range of axes with these information. JFreeCharts method NumberAxis.setAutoRange(true) doesn't seem to work properly.
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parents: 351
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380
2413273f1c13 Workarround: Store lower and upper bounds of data while iterating over all data and set the max range of axes with these information. JFreeCharts method NumberAxis.setAutoRange(true) doesn't seem to work properly.
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381
767
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382 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
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parents: 656
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383 * Method to find a parameter specified by its value.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
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384 *
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
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385 * @param label Search string.
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386 *
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
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387 * @return Value of a parameter with the given label.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
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388 */
334
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389 protected String findParameter(String label) {
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390 Iterator iter = parameters.iterator();
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391
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392 while (iter.hasNext()) {
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393 KeyValueDescibeData data = (KeyValueDescibeData) iter.next();
e37930705daa Changed the way of adding data to charts. Same parameters have one axis - not each parameter its own one.
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parents: 333
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394 String key = data.getValue();
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parents: 333
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395
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396 if (label.indexOf(key) > -1)
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397 return key;
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parents: 333
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398 }
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diff changeset
399
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400 return label;
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parents: 333
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401 }
e37930705daa Changed the way of adding data to charts. Same parameters have one axis - not each parameter its own one.
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parents: 333
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402
e37930705daa Changed the way of adding data to charts. Same parameters have one axis - not each parameter its own one.
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403
767
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parents: 656
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404 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
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405 * Method to find a description of a given collection of values.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
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406 *
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
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407 * @param values Collection to be scaned.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
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parents: 656
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408 * @param id Identifier and search string of the searched value.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
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409 *
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
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410 * @return title
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
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411 */
297
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412 protected String findValueTitle(Collection values, String id) {
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parents:
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413 log.debug("find description of dataset");
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414
307
f0f106c7b906 Fixed some broken Method-Extentions.
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parents: 304
diff changeset
415 if (values != null){
f0f106c7b906 Fixed some broken Method-Extentions.
Tim Englich <tim.englich@intevation.de>
parents: 304
diff changeset
416 Iterator it = values.iterator();
f0f106c7b906 Fixed some broken Method-Extentions.
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parents: 304
diff changeset
417 while (it.hasNext()) {
f0f106c7b906 Fixed some broken Method-Extentions.
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parents: 304
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418 KeyValueDescibeData data = (KeyValueDescibeData) it.next();
315
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419
307
f0f106c7b906 Fixed some broken Method-Extentions.
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parents: 304
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420 if (id.equals(data.getKey()))
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Tim Englich <tim.englich@intevation.de>
parents: 304
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421 return data.getValue();
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422 }
297
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423 }
3f43392df3f6 Interface and abstract classes for chart creation implemented.
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424 return "";
3f43392df3f6 Interface and abstract classes for chart creation implemented.
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425 }
364
2413273f1c13 Workarround: Store lower and upper bounds of data while iterating over all data and set the max range of axes with these information. JFreeCharts method NumberAxis.setAutoRange(true) doesn't seem to work properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 351
diff changeset
426
2413273f1c13 Workarround: Store lower and upper bounds of data while iterating over all data and set the max range of axes with these information. JFreeCharts method NumberAxis.setAutoRange(true) doesn't seem to work properly.
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parents: 351
diff changeset
427
767
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parents: 656
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428 /**
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
429 * Method to store the maximum range. Since we need to adjust the range of
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
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parents: 656
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430 * each range axis, we have to memorize its range - each parameter uses an
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
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parents: 656
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431 * own range axis.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
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432 *
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
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433 * @param ranges Map where ranges of each axis will be stored in.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
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parents: 656
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434 * @param value A given value on an axis.
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
diff changeset
435 * @param parameter Parameter name which belongs to <code>value</code>.
79401c871da4 Added and repaired javadoc in de.intevation.gnv.chart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 656
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436 */
656
b98d1adee7a6 Added an offset of five percent between values and chart border in vertical profile charts (issue186).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 506
diff changeset
437 protected void storeMaxRange(Map ranges, double value, String parameter) {
364
2413273f1c13 Workarround: Store lower and upper bounds of data while iterating over all data and set the max range of axes with these information. JFreeCharts method NumberAxis.setAutoRange(true) doesn't seem to work properly.
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parents: 351
diff changeset
438 Range range = null;
2413273f1c13 Workarround: Store lower and upper bounds of data while iterating over all data and set the max range of axes with these information. JFreeCharts method NumberAxis.setAutoRange(true) doesn't seem to work properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 351
diff changeset
439
2413273f1c13 Workarround: Store lower and upper bounds of data while iterating over all data and set the max range of axes with these information. JFreeCharts method NumberAxis.setAutoRange(true) doesn't seem to work properly.
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parents: 351
diff changeset
440 range = ranges.containsKey(parameter)
2413273f1c13 Workarround: Store lower and upper bounds of data while iterating over all data and set the max range of axes with these information. JFreeCharts method NumberAxis.setAutoRange(true) doesn't seem to work properly.
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parents: 351
diff changeset
441 ? (Range) ranges.get(parameter)
2413273f1c13 Workarround: Store lower and upper bounds of data while iterating over all data and set the max range of axes with these information. JFreeCharts method NumberAxis.setAutoRange(true) doesn't seem to work properly.
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442 : new Range(value, value);
2413273f1c13 Workarround: Store lower and upper bounds of data while iterating over all data and set the max range of axes with these information. JFreeCharts method NumberAxis.setAutoRange(true) doesn't seem to work properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 351
diff changeset
443
2413273f1c13 Workarround: Store lower and upper bounds of data while iterating over all data and set the max range of axes with these information. JFreeCharts method NumberAxis.setAutoRange(true) doesn't seem to work properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 351
diff changeset
444 double lower = range.getLowerBound();
2413273f1c13 Workarround: Store lower and upper bounds of data while iterating over all data and set the max range of axes with these information. JFreeCharts method NumberAxis.setAutoRange(true) doesn't seem to work properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 351
diff changeset
445 double upper = range.getUpperBound();
2413273f1c13 Workarround: Store lower and upper bounds of data while iterating over all data and set the max range of axes with these information. JFreeCharts method NumberAxis.setAutoRange(true) doesn't seem to work properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 351
diff changeset
446
2413273f1c13 Workarround: Store lower and upper bounds of data while iterating over all data and set the max range of axes with these information. JFreeCharts method NumberAxis.setAutoRange(true) doesn't seem to work properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 351
diff changeset
447 lower = value < lower ? value : lower;
2413273f1c13 Workarround: Store lower and upper bounds of data while iterating over all data and set the max range of axes with these information. JFreeCharts method NumberAxis.setAutoRange(true) doesn't seem to work properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 351
diff changeset
448 upper = value > upper ? value : upper;
2413273f1c13 Workarround: Store lower and upper bounds of data while iterating over all data and set the max range of axes with these information. JFreeCharts method NumberAxis.setAutoRange(true) doesn't seem to work properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 351
diff changeset
449
2413273f1c13 Workarround: Store lower and upper bounds of data while iterating over all data and set the max range of axes with these information. JFreeCharts method NumberAxis.setAutoRange(true) doesn't seem to work properly.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 351
diff changeset
450 ranges.put(parameter, new Range(lower, upper));
2413273f1c13 Workarround: Store lower and upper bounds of data while iterating over all data and set the max range of axes with these information. JFreeCharts method NumberAxis.setAutoRange(true) doesn't seem to work properly.
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parents: 351
diff changeset
451 }
297
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452 }
315
63f8b3fb7d9a Localization of chart axis with locale which fits best to server and browser settings.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 307
diff changeset
453 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org