ingo@1115: /*
ingo@1115:  * Copyright (c) 2010 by Intevation GmbH
ingo@1115:  *
ingo@1115:  * This program is free software under the LGPL (>=v2.1)
ingo@1115:  * Read the file LGPL.txt coming with the software for details
ingo@1115:  * or visit http://www.gnu.org/licenses/ if it does not exist.
ingo@1115:  */
ingo@1115: 
tim@113: package de.intevation.gnv.statistics;
tim@113: 
tim@823: import java.sql.SQLException;
tim@823: import java.util.Collection;
tim@823: 
tim@823: import org.apache.log4j.Logger;
tim@823: 
sascha@779: import com.vividsolutions.jts.geom.Point;
tim@255: import com.vividsolutions.jts.io.ParseException;
tim@255: import com.vividsolutions.jts.io.WKTReader;
tim@255: 
tim@113: import de.intevation.gnv.geobackend.base.Result;
tim@335: import de.intevation.gnv.state.describedata.KeyValueDescibeData;
tim@255: import de.intevation.gnv.utils.DistanceCalculator;
tim@113: 
tim@113: /**
ingo@814:  * This class is used to create a statistic for 'Horizontalprofil' products.
sascha@835:  *
sascha@780:  * @author <a href="mailto:tim.englich@intevation.de">Tim Englich</a>
sascha@778:  *
tim@113:  */
tim@113: public class HorizontalProfileStatistics extends TimeseriesStatistics {
sascha@778: 
tim@255:     private static Logger log = Logger.getLogger(HorizontalProfileStatistics.class);
tim@113: 
tim@255:     private WKTReader wktReader = new WKTReader();
sascha@778: 
tim@255:     private DistanceCalculator dc = new DistanceCalculator();
sascha@778: 
tim@255:     private double distance = 0;
sascha@778: 
tim@113:     /**
tim@113:      * Constructor
tim@113:      */
tim@113:     public HorizontalProfileStatistics() {
tim@113:         super();
tim@113:     }
tim@171: 
ingo@814: 
tim@113:     @Override
tim@255:     protected double calculateXOrdinateValue(Result previousRow,Result row)
tim@255:                      throws SQLException {
tim@255:         try {
tim@255:             Point start = (Point)this.wktReader.read(previousRow.getString("SHAPE"));
tim@255:             Point current = (Point)this.wktReader.read(row.getString("SHAPE"));
ingo@814:             double delta = DistanceCalculator.calculateDistance(start, current);
sascha@778: 
tim@255:             if (!Double.isNaN(delta)){
tim@255:                 this.distance = this.distance + delta;
tim@255:             }
tim@255:         } catch (ParseException e) {
tim@255:             log.error(e,e);
tim@255:         }
tim@255:         return this.distance;
tim@113:     }
tim@253: 
ingo@814: 
tim@253:     @Override
tim@253:     protected String generateStatisticsName(
tim@253:                                             String break1,
tim@253:                                             String break2,
tim@253:                                             String break3,
tim@253:                                             Collection<KeyValueDescibeData> parameters,
tim@253:                                             Collection<KeyValueDescibeData> measurements,
tim@253:                                             Collection<KeyValueDescibeData> dates) {
sascha@778:         return (this.findValueTitle(parameters, break1)+ " "+
tim@253:                 this.findValueTitle(measurements,break2)).trim()+" "+
tim@253:                 this.findValueTitle(dates,break3);
tim@253:     }
sascha@778: 
ingo@814: 
tim@255:     @Override
tim@255:     protected void clearStatistics() {
tim@255:         log.debug("HorizontalProfileStatistics.clearStatistics");
tim@255:         super.clearStatistics();
tim@255:         this.distance = 0;
tim@255:     }
tim@253: 
tim@113: }