Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/statistics/HorizontalProfileStatistics.java @ 814:9d427dd2a96a

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Added Javadoc in statistic package. gnv-artifacts/trunk@898 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Fri, 09 Apr 2010 14:34:45 +0000
parents c4156275c1e1
children 499cfbbb61bc
rev   line source
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1 package de.intevation.gnv.statistics;
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2
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3 import com.vividsolutions.jts.geom.Point;
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5 import com.vividsolutions.jts.io.ParseException;
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6 import com.vividsolutions.jts.io.WKTReader;
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8 import de.intevation.gnv.geobackend.base.Result;
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10 import de.intevation.gnv.state.describedata.KeyValueDescibeData;
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12 import de.intevation.gnv.utils.DistanceCalculator;
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14 import java.sql.SQLException;
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16 import java.util.Collection;
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18 import org.apache.log4j.Logger;
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20 /**
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21 * This class is used to create a statistic for 'Horizontalprofil' products.
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22 *
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23 * @author <a href="mailto:tim.englich@intevation.de">Tim Englich</a>
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24 *
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25 */
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26 public class HorizontalProfileStatistics extends TimeseriesStatistics {
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28 private static Logger log = Logger.getLogger(HorizontalProfileStatistics.class);
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30 private WKTReader wktReader = new WKTReader();
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32 private DistanceCalculator dc = new DistanceCalculator();
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34 private double distance = 0;
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35
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36 /**
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37 * Constructor
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38 */
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39 public HorizontalProfileStatistics() {
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40 super();
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41 }
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44 @Override
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45 protected double calculateXOrdinateValue(Result previousRow,Result row)
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46 throws SQLException {
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47 try {
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48 Point start = (Point)this.wktReader.read(previousRow.getString("SHAPE"));
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49 Point current = (Point)this.wktReader.read(row.getString("SHAPE"));
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50 @SuppressWarnings("static-access")
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51 double delta = DistanceCalculator.calculateDistance(start, current);
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53 if (!Double.isNaN(delta)){
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54 this.distance = this.distance + delta;
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55 }
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56 } catch (ParseException e) {
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57 log.error(e,e);
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58 }
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59 return this.distance;
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60 }
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63 @Override
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64 protected String generateStatisticsName(
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65 String break1,
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66 String break2,
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67 String break3,
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68 Collection<KeyValueDescibeData> parameters,
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69 Collection<KeyValueDescibeData> measurements,
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70 Collection<KeyValueDescibeData> dates) {
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71 return (this.findValueTitle(parameters, break1)+ " "+
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72 this.findValueTitle(measurements,break2)).trim()+" "+
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73 this.findValueTitle(dates,break3);
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74 }
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77 @Override
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78 protected void clearStatistics() {
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79 log.debug("HorizontalProfileStatistics.clearStatistics");
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80 super.clearStatistics();
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81 this.distance = 0;
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82 }
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84 }
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