Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/chart/VerticalProfileVectorChart.java @ 1129:ccfa07b88476

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merged geo-backend
author Thomas Arendsen Hein <thomas@intevation.de>
date Fri, 28 Sep 2012 12:14:01 +0200
parents f953c9a559d8
children
rev   line source
1115
f953c9a559d8 Added license file and license headers.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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1 /*
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2 * Copyright (c) 2010 by Intevation GmbH
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3 *
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4 * This program is free software under the LGPL (>=v2.1)
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5 * Read the file LGPL.txt coming with the software for details
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6 * or visit http://www.gnu.org/licenses/ if it does not exist.
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7 */
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8
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9 package de.intevation.gnv.chart;
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10
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11 import de.intevation.gnv.geobackend.base.Result;
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12 import de.intevation.gnv.geobackend.base.ResultDescriptor;
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13
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14 import java.util.Collection;
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15 import java.util.Iterator;
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16 import java.util.Locale;
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17
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18 import org.apache.log4j.Logger;
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19
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20 import org.jfree.chart.ChartTheme;
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21
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22 import org.jfree.chart.plot.XYPlot;
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23
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24 import org.jfree.data.xy.XYSeries;
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25 import org.jfree.data.xy.XYSeriesCollection;
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26
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27 /**
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28 * This class is used to create xy charts of vertical profiles.
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29 *
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30 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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31 */
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32 public class VerticalProfileVectorChart
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33 extends VerticalProfileChart
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34 {
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35 private static Logger logger =
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36 Logger.getLogger(VerticalProfileVectorChart.class);
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37
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38 public VerticalProfileVectorChart(
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39 ChartLabels labels,
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40 ChartTheme theme,
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41 Collection parameters,
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42 Collection measurements,
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43 Collection dates,
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44 Collection result,
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45 Collection timeGaps,
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46 Locale locale,
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47 boolean linesVisible,
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48 boolean shapesVisible
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49 ) {
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50 super(labels, theme, parameters, measurements, dates, result,
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51 timeGaps, locale, linesVisible, shapesVisible);
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52 }
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53
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54
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55 @Override
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56 protected void initData() {
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57 logger.debug("init data for verticalprofile chart with vector data.");
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58
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59 int items = resultSet.size();
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60 logger.debug("Found " + items + " items for this chart.");
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61
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62 Iterator iter = resultSet.iterator();
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63 Result row = null;
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64 String seriesName = null;
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65 XYSeries series = null;
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66
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67 int idx = 0;
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68 int startPos = 0;
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69 int endPos = 0;
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70
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71 double startValue = 0;
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72 double endValue = 0;
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73
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74 ResultDescriptor rd = null;
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75 int idxSeries = -1;
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76 int idxX = -1;
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77 int idxY = -1;
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78
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79 Result[] results =
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80 (Result[]) resultSet.toArray(new Result[resultSet.size()]);
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81
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82 while (iter.hasNext()) {
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83 row = (Result) iter.next();
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84
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85 if (rd == null) {
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86 rd = row.getResultDescriptor();
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87 idxSeries = rd.getColumnIndex("SERIES");
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88 idxX = rd.getColumnIndex("XORDINATE");
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89 idxY = rd.getColumnIndex("YORDINATE");
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90 }
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91
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92 if (!row.getString(idxSeries).equals(seriesName)) {
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93 logger.debug("prepare data/plot for next dataset.");
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94
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95 if (series != null) {
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96 if (startPos >= 0 && endPos < items) {
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97 gapDetection(results, series, startPos, endPos);
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98 }
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99
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100 addSeries(series, seriesName, idx);
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101
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102 startPos = endPos + 1;
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103 }
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104
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105 seriesName = row.getString(idxSeries);
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106
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107 logger.debug("next data is '" + seriesName + "'");
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108 series = new XYSeries(seriesName);
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109 }
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110
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111 addValue(row, series);
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112 Object x = getValue(row);
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113 Double y = row.getDouble(idxY);
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114 if (x != null && y != null) {
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115 storeMaxRange(ranges, y, seriesName);
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116 storeMaxValue(values, x, seriesName);
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117 }
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118
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119 endPos++;
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120 }
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121
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122 if (results.length == 0)
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123 return;
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124
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125 if (startPos >= 0 && endPos < items) {
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126 gapDetection(results, series, startPos, endPos);
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127 }
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128 addSeries(series, seriesName, idx);
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129
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130 addDatasets();
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131 }
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132
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133
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134 @Override
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135 protected void addDatasets() {
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136 XYPlot plot = chart.getXYPlot();
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137 int idx = 0;
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138
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139 XYSeriesCollection sc = null;
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140 Iterator iter = datasets.keySet().iterator();
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141
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142 while (iter.hasNext()) {
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143 String key = (String) iter.next();
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144 sc = (XYSeriesCollection)datasets.get(key);
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145 plot.setDataset(idx, sc );
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146 logger.debug("Added " + key + " parameter to plot.");
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147 prepareAxis(key, idx);
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148 adjustRenderer(
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149 idx++,
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150 sc.getSeriesCount(),
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151 linesVisible,
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152 shapesVisible
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153 );
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154 }
1085
ec512e7992c6 Improved data initialization and axis range calculation in vertical profiles (scalar and vector).
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155
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156 prepareRangeAxis(null, -1);
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157 }
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158 }
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159 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org