Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/chart/VerticalProfileVectorChart.java @ 1080:01e26528bb39

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Some code refactoring for the implementation of histograms using vectorial parameters. gnv-artifacts/trunk@1182 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Wed, 09 Jun 2010 09:37:57 +0000
parents 9bb1979aabbe
children ec512e7992c6
rev   line source
1071
9bb1979aabbe Added a new output state and chart type for vertical profiles using vector data.
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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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4 import de.intevation.gnv.geobackend.base.ResultDescriptor;
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5
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6 import java.util.Collection;
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7 import java.util.Iterator;
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8 import java.util.Locale;
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9
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10 import org.apache.log4j.Logger;
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11
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12 import org.jfree.chart.ChartTheme;
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13
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14 import org.jfree.chart.plot.XYPlot;
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15
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16 import org.jfree.data.xy.XYSeries;
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17 import org.jfree.data.xy.XYSeriesCollection;
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18
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19 /**
9bb1979aabbe Added a new output state and chart type for vertical profiles using vector data.
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20 * This class is used to create xy charts of vertical profiles.
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21 *
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22 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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23 */
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24 public class VerticalProfileVectorChart
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25 extends VerticalProfileChart
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26 {
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27 private static Logger logger =
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28 Logger.getLogger(VerticalProfileVectorChart.class);
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29
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30 public VerticalProfileVectorChart(
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31 ChartLabels labels,
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32 ChartTheme theme,
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33 Collection parameters,
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34 Collection measurements,
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35 Collection dates,
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36 Collection result,
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37 Collection timeGaps,
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38 Locale locale,
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39 boolean linesVisible,
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40 boolean shapesVisible
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41 ) {
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42 super(labels, theme, parameters, measurements, dates, result,
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43 timeGaps, locale, linesVisible, shapesVisible);
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44 }
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45
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46
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47 @Override
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48 protected void initData() {
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49 logger.debug("init data for verticalprofile chart with vector data.");
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50
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51 Iterator iter = resultSet.iterator();
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52 Result row = null;
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53 String seriesName = null;
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54 XYSeries series = null;
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55
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56 int idx = 0;
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57 int startPos = 0;
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58 int endPos = 0;
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59
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60 double startValue = 0;
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61 double endValue = 0;
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62
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63 ResultDescriptor rd = null;
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64 int idxSeries = -1;
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65 int idxX = -1;
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66 int idxY = -1;
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67
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68 Result[] results =
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69 (Result[]) resultSet.toArray(new Result[resultSet.size()]);
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70
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71 while (iter.hasNext()) {
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72 row = (Result) iter.next();
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73
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74 if (rd == null) {
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75 rd = row.getResultDescriptor();
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76 idxSeries = rd.getColumnIndex("SERIES");
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77 idxX = rd.getColumnIndex("XORDINATE");
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78 idxY = rd.getColumnIndex("YORDINATE");
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79 }
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80
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81 if (!row.getString(idxSeries).equals(seriesName)) {
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82 logger.debug("prepare data/plot for next dataset.");
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83
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84 if (series != null) {
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85 gapDetection(results, series, startPos, endPos);
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86 addSeries(series, seriesName, idx);
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87
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88 startPos = endPos + 1;
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89 }
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90
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91 seriesName = row.getString(idxSeries);
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92
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93 logger.debug("next data is '" + seriesName + "'");
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94 series = new XYSeries(seriesName);
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95 }
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96
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97 addValue(row, series);
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98 Object x = getValue(row);
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99 Double y = row.getDouble(idxY);
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100 if (x != null && y != null) {
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101 storeMaxRange(ranges, y, seriesName);
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102 storeMaxValue(values, x, seriesName);
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103 }
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104
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105 endPos++;
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106 }
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107
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108 if (results.length == 0)
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109 return;
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110
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111 gapDetection(results, series, startPos, endPos);
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112 addSeries(series, seriesName, idx);
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113
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114 addDatasets();
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115 }
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116
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117
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118 @Override
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119 protected void addDatasets() {
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120 XYPlot plot = chart.getXYPlot();
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121 int idx = 0;
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122
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123 XYSeriesCollection sc = null;
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124 Iterator iter = datasets.keySet().iterator();
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125
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126 while (iter.hasNext()) {
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127 String key = (String) iter.next();
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128 sc = (XYSeriesCollection)datasets.get(key);
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129 plot.setDataset(idx, sc );
9bb1979aabbe Added a new output state and chart type for vertical profiles using vector data.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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130 logger.debug("Added " + key + " parameter to plot.");
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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131 prepareAxis(key, idx);
9bb1979aabbe Added a new output state and chart type for vertical profiles using vector data.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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132 adjustRenderer(
9bb1979aabbe Added a new output state and chart type for vertical profiles using vector data.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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133 idx++,
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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134 sc.getSeriesCount(),
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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135 linesVisible,
9bb1979aabbe Added a new output state and chart type for vertical profiles using vector data.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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136 shapesVisible
9bb1979aabbe Added a new output state and chart type for vertical profiles using vector data.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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137 );
9bb1979aabbe Added a new output state and chart type for vertical profiles using vector data.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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138 }
9bb1979aabbe Added a new output state and chart type for vertical profiles using vector data.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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139 }
9bb1979aabbe Added a new output state and chart type for vertical profiles using vector data.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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140 }
9bb1979aabbe Added a new output state and chart type for vertical profiles using vector data.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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141 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org