Mercurial > dive4elements > gnv-client
comparison gnv-artifacts/src/main/java/de/intevation/gnv/statistics/HorizontalProfileStatistics.java @ 875:5e9efdda6894
merged gnv-artifacts/1.0
| author | Thomas Arendsen Hein <thomas@intevation.de> |
|---|---|
| date | Fri, 28 Sep 2012 12:13:56 +0200 |
| parents | 2423cefe7d39 |
| children | f953c9a559d8 |
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| 722:bb3ffe7d719e | 875:5e9efdda6894 |
|---|---|
| 1 package de.intevation.gnv.statistics; | |
| 2 | |
| 3 import java.sql.SQLException; | |
| 4 import java.util.Collection; | |
| 5 | |
| 6 import org.apache.log4j.Logger; | |
| 7 | |
| 8 import com.vividsolutions.jts.geom.Point; | |
| 9 import com.vividsolutions.jts.io.ParseException; | |
| 10 import com.vividsolutions.jts.io.WKTReader; | |
| 11 | |
| 12 import de.intevation.gnv.geobackend.base.Result; | |
| 13 import de.intevation.gnv.state.describedata.KeyValueDescibeData; | |
| 14 import de.intevation.gnv.utils.DistanceCalculator; | |
| 15 | |
| 16 /** | |
| 17 * This class is used to create a statistic for 'Horizontalprofil' products. | |
| 18 * | |
| 19 * @author <a href="mailto:tim.englich@intevation.de">Tim Englich</a> | |
| 20 * | |
| 21 */ | |
| 22 public class HorizontalProfileStatistics extends TimeseriesStatistics { | |
| 23 | |
| 24 private static Logger log = Logger.getLogger(HorizontalProfileStatistics.class); | |
| 25 | |
| 26 private WKTReader wktReader = new WKTReader(); | |
| 27 | |
| 28 private DistanceCalculator dc = new DistanceCalculator(); | |
| 29 | |
| 30 private double distance = 0; | |
| 31 | |
| 32 /** | |
| 33 * Constructor | |
| 34 */ | |
| 35 public HorizontalProfileStatistics() { | |
| 36 super(); | |
| 37 } | |
| 38 | |
| 39 | |
| 40 @Override | |
| 41 protected double calculateXOrdinateValue(Result previousRow,Result row) | |
| 42 throws SQLException { | |
| 43 try { | |
| 44 Point start = (Point)this.wktReader.read(previousRow.getString("SHAPE")); | |
| 45 Point current = (Point)this.wktReader.read(row.getString("SHAPE")); | |
| 46 double delta = DistanceCalculator.calculateDistance(start, current); | |
| 47 | |
| 48 if (!Double.isNaN(delta)){ | |
| 49 this.distance = this.distance + delta; | |
| 50 } | |
| 51 } catch (ParseException e) { | |
| 52 log.error(e,e); | |
| 53 } | |
| 54 return this.distance; | |
| 55 } | |
| 56 | |
| 57 | |
| 58 @Override | |
| 59 protected String generateStatisticsName( | |
| 60 String break1, | |
| 61 String break2, | |
| 62 String break3, | |
| 63 Collection<KeyValueDescibeData> parameters, | |
| 64 Collection<KeyValueDescibeData> measurements, | |
| 65 Collection<KeyValueDescibeData> dates) { | |
| 66 return (this.findValueTitle(parameters, break1)+ " "+ | |
| 67 this.findValueTitle(measurements,break2)).trim()+" "+ | |
| 68 this.findValueTitle(dates,break3); | |
| 69 } | |
| 70 | |
| 71 | |
| 72 @Override | |
| 73 protected void clearStatistics() { | |
| 74 log.debug("HorizontalProfileStatistics.clearStatistics"); | |
| 75 super.clearStatistics(); | |
| 76 this.distance = 0; | |
| 77 } | |
| 78 | |
| 79 } |