Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/exports/ComputedDischargeCurveExporter.java @ 2177:28dbeb64ce7c

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Issue 138. PDF output for computed discharge calculation results. flys-artifacts/trunk@3776 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Raimund Renkert <raimund.renkert@intevation.de>
date Thu, 26 Jan 2012 16:53:42 +0000
parents 65dac9cf6ff5
children 5ff481ab24a1
rev   line source
392
72177020db92 Improved the transition model and added classes to enable the WINFO artifact to create computed discharge curves - NOTE: each of the new classes is just a stub.
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1 package de.intevation.flys.exports;
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2
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3 import java.io.OutputStream;
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4 import java.text.NumberFormat;
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5 import java.util.ArrayList;
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6 import java.util.Arrays;
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7 import java.util.List;
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8 import java.util.Map;
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9 import java.util.HashMap;
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10 import java.util.Date;
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11 import java.text.DateFormat;
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12 import java.util.Locale;
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13
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14 import org.w3c.dom.Document;
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15
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16 import org.apache.log4j.Logger;
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18 import au.com.bytecode.opencsv.CSVWriter;
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19
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20 import net.sf.jasperreports.engine.JRDataSource;
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21 import net.sf.jasperreports.engine.JasperExportManager;
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22 import net.sf.jasperreports.engine.JasperFillManager;
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23 import net.sf.jasperreports.engine.JasperPrint;
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24 import net.sf.jasperreports.engine.JRException;
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25
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26 import de.intevation.artifacts.CallContext;
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27 import de.intevation.artifacts.CallMeta;
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28
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29 import de.intevation.flys.artifacts.FLYSArtifact;
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31 import de.intevation.flys.artifacts.model.CalculationResult;
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32 import de.intevation.flys.artifacts.model.WQKms;
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33 import de.intevation.flys.artifacts.model.WKmsJRDataSource;
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34 import de.intevation.flys.artifacts.resources.Resources;
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35
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36 import de.intevation.flys.utils.FLYSUtils;
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37 import de.intevation.flys.utils.Formatter;
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38
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39
72177020db92 Improved the transition model and added classes to enable the WINFO artifact to create computed discharge curves - NOTE: each of the new classes is just a stub.
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40 /**
72177020db92 Improved the transition model and added classes to enable the WINFO artifact to create computed discharge curves - NOTE: each of the new classes is just a stub.
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41 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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42 */
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43 public class ComputedDischargeCurveExporter extends AbstractExporter {
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44
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45 /** The logger used in this exporter.*/
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46 private static Logger logger =
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47 Logger.getLogger(ComputedDischargeCurveExporter.class);
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48
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49
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50 public static final String CSV_W_HEADER =
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51 "export.computed.discharge.curve.csv.header.w";
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52
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53 public static final String CSV_Q_HEADER =
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54 "export.computed.discharge.curve.csv.header.q";
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55
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56 public static final String DEFAULT_CSV_W_HEADER = "W [NN + m]";
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57 public static final String DEFAULT_CSV_Q_HEADER = "Q [m\u00b3/s]";
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58
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59 public static final String PDF_HEADER_MODE = "export.computed.discharge.pdf.mode";
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62 protected List<WQKms> data;
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65 public void init(Document request, OutputStream out, CallContext context) {
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66 logger.debug("ComputedDischargeCurveExporter.init");
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67
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68 super.init(request, out, context);
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70 this.data = new ArrayList<WQKms>();
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71 }
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73
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74 @Override
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75 protected void addData(Object d) {
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76 if (d instanceof CalculationResult) {
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77 d = ((CalculationResult)d).getData();
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78 if (d instanceof WQKms []) {
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79 data.addAll(Arrays.asList((WQKms [])d));
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80 }
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81 }
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82 }
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85 protected void writeCSVData(CSVWriter writer) {
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86 logger.info("ComputedDischargeCurveExporter.writeData");
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87
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88 writeCSVHeader(writer);
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89
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90 NumberFormat wf = getWFormatter();
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91 NumberFormat qf = getQFormatter();
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93 double[] res = new double[3];
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95 for (WQKms wqkms: data) {
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96 int size = wqkms.size();
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98 for (int i = 0; i < size; i++) {
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99 res = wqkms.get(i, res);
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101 writer.writeNext(new String[] {
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102 wf.format(res[0]),
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103 qf.format(res[1])
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104 });
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105 }
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106 }
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107 }
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110 protected void writeCSVHeader(CSVWriter writer) {
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111 logger.debug("ComputedDischargeCurveExporter.writeCSVHeader");
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112
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113 writer.writeNext(new String[] {
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114 msg(CSV_W_HEADER, DEFAULT_CSV_W_HEADER),
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115 msg(CSV_Q_HEADER, DEFAULT_CSV_Q_HEADER)
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116 });
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117 }
418
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118
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119
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120 /**
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121 * Returns the number formatter for W values.
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122 *
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123 * @return the number formatter for W values.
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124 */
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125 protected NumberFormat getWFormatter() {
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126 return Formatter.getComputedDischargeW(context);
418
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127 }
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128
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129
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130 /**
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131 * Returns the number formatter for Q values.
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132 *
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133 * @return the number formatter for Q values.
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134 */
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135 protected NumberFormat getQFormatter() {
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136 return Formatter.getComputedDischargeQ(context);
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137 }
2176
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138
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139
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140 @Override
2177
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141 protected void writePDF(OutputStream out) {
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142 WKmsJRDataSource source = createJRData();
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143 Map parameters = new HashMap();
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144 parameters.put("ReportTitle", "Exported Data");
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145 try {
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146 JasperPrint print = JasperFillManager.fillReport(
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147 "conf/jasper/computed-discharge.jasper",
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148 parameters,
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149 source);
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150 JasperExportManager.exportReportToPdfStream(print, out);
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151 }
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152 catch(JRException je) {
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153 logger.warn("Error generating PDF Report!");
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154 je.printStackTrace();
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155 }
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156 }
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157
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158
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159 protected WKmsJRDataSource createJRData() {
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160 WKmsJRDataSource source = new WKmsJRDataSource();
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161
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162 addMetaData(source);
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163 addWQData(source);
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164
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165 return source;
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166 }
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167
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168
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169 protected void addMetaData(WKmsJRDataSource source) {
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170 CallMeta meta = context.getMeta();
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171
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172 FLYSArtifact flys = (FLYSArtifact) master;
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173
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174 source.addMetaData ("river", FLYSUtils.getRivername(flys));
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175
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176 Locale locale = Resources.getLocale(meta);
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177 DateFormat df = DateFormat.getDateInstance(DateFormat.SHORT, locale);
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178
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179 source.addMetaData("date", df.format(new Date()));
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180
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181 double[] kms = FLYSUtils.getKmRange(flys);
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182 source.addMetaData("range", String.valueOf(kms[0]));
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183
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184 source.addMetaData("calculation", Resources.getMsg(
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185 locale,
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186 PDF_HEADER_MODE,
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187 "Computed Discharge"));
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188 }
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189
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190 protected void addWQData(WKmsJRDataSource source) {
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191 NumberFormat wf = getWFormatter();
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192 NumberFormat qf = getQFormatter();
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193
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194 double[] res = new double[3];
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195
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196 for (WQKms wqkms: data) {
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197 int size = wqkms.size();
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198
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199 for (int i = 0; i < size; i++) {
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200 res = wqkms.get(i, res);
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201
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202 source.addData(new String[] {
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203 "", // Empty, the WKmsJRDtasource stores km here.
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204 wf.format(res[0]),
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205 qf.format(res[1])
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206 });
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207 }
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208 }
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209
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210 }
392
72177020db92 Improved the transition model and added classes to enable the WINFO artifact to create computed discharge curves - NOTE: each of the new classes is just a stub.
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parents:
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211 }
72177020db92 Improved the transition model and added classes to enable the WINFO artifact to create computed discharge curves - NOTE: each of the new classes is just a stub.
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parents:
diff changeset
212 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org