Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/statistics/HorizontalProfileStatistics.java @ 813:79c1db3ca7cc

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Added some more javadocs. gnv-artifacts/trunk@897 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Fri, 09 Apr 2010 13:09:25 +0000
parents c4156275c1e1
children 9d427dd2a96a
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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 * @author <a href="mailto:tim.englich@intevation.de">Tim Englich</a>
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22 *
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23 */
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24 public class HorizontalProfileStatistics extends TimeseriesStatistics {
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26 private static Logger log = Logger.getLogger(HorizontalProfileStatistics.class);
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28 private WKTReader wktReader = new WKTReader();
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30 private DistanceCalculator dc = new DistanceCalculator();
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32 private double distance = 0;
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33
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34 /**
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35 * Constructor
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36 */
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37 public HorizontalProfileStatistics() {
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38 super();
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39 }
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41 /**
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42 * @see de.intevation.gnv.statistics.TimeseriesStatistics#calculateXOrdinateValue(de.intevation.gnv.geobackend.base.Result, de.intevation.gnv.geobackend.base.Result)
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43 */
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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 double delta = this.dc.calculateDistance(start, current);
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52 if (!Double.isNaN(delta)){
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53 this.distance = this.distance + delta;
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54 }
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55 } catch (ParseException e) {
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56 log.error(e,e);
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57 }
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58 return this.distance;
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59 }
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61 /**
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62 * @see de.intevation.gnv.statistics.TimeseriesStatistics#generateStatisticsName(java.lang.String, java.lang.String, java.lang.String, java.util.Collection, java.util.Collection, java.util.Collection)
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63 */
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64 @Override
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65 protected String generateStatisticsName(
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66 String break1,
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67 String break2,
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68 String break3,
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69 Collection<KeyValueDescibeData> parameters,
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70 Collection<KeyValueDescibeData> measurements,
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71 Collection<KeyValueDescibeData> dates) {
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72 return (this.findValueTitle(parameters, break1)+ " "+
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73 this.findValueTitle(measurements,break2)).trim()+" "+
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74 this.findValueTitle(dates,break3);
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75 }
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77 /**
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78 * @see de.intevation.gnv.statistics.TimeseriesStatistics#clearStatistics()
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79 */
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80 @Override
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81 protected void clearStatistics() {
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82 log.debug("HorizontalProfileStatistics.clearStatistics");
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83 super.clearStatistics();
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84 this.distance = 0;
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85 }
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87 }
http://dive4elements.wald.intevation.org