Mercurial > dive4elements > gnv-client
comparison gnv-artifacts/src/main/java/de/intevation/gnv/chart/HorizontalProfileChart.java @ 298:80f7c5dc09c6
Implementation of classes for creating timeseries, verticalprofile and horizontalprofile charts.
gnv-artifacts/trunk@352 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
|---|---|
| date | Thu, 19 Nov 2009 15:30:27 +0000 |
| parents | |
| children | 45625b5cd6d4 |
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| 297:3f43392df3f6 | 298:80f7c5dc09c6 |
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| 1 package de.intevation.gnv.chart; | |
| 2 | |
| 3 import java.util.Collection; | |
| 4 import java.util.Locale; | |
| 5 | |
| 6 import com.vividsolutions.jts.geom.Point; | |
| 7 import com.vividsolutions.jts.io.WKTReader; | |
| 8 import com.vividsolutions.jts.io.ParseException; | |
| 9 | |
| 10 import org.apache.log4j.Logger; | |
| 11 | |
| 12 import org.jfree.chart.ChartTheme; | |
| 13 import org.jfree.chart.plot.PlotOrientation; | |
| 14 import org.jfree.data.general.Series; | |
| 15 import org.jfree.data.xy.XYSeries; | |
| 16 | |
| 17 import de.intevation.gnv.geobackend.base.Result; | |
| 18 import de.intevation.gnv.utils.DistanceCalculator; | |
| 19 | |
| 20 | |
| 21 /** | |
| 22 * @author Ingo Weinzierl <ingo.weinzierl@intevation.de> | |
| 23 */ | |
| 24 public class HorizontalProfileChart | |
| 25 extends VerticalProfileChart | |
| 26 { | |
| 27 private static Logger log = Logger.getLogger(HorizontalProfileChart.class); | |
| 28 | |
| 29 private static WKTReader wktReader = new WKTReader(); | |
| 30 private Point lastPoint; | |
| 31 private double distance; | |
| 32 | |
| 33 | |
| 34 public HorizontalProfileChart( | |
| 35 ChartLabels labels, | |
| 36 ChartTheme theme, | |
| 37 Collection parameters, | |
| 38 Collection measurements, | |
| 39 Collection result, | |
| 40 Collection dates, | |
| 41 Locale locale | |
| 42 ) { | |
| 43 super(labels, theme, parameters, measurements, result, dates, locale); | |
| 44 this.PLOT_ORIENTATION = PlotOrientation.VERTICAL; | |
| 45 this.distance = 0; | |
| 46 } | |
| 47 | |
| 48 | |
| 49 protected void addValue(Result row, Series series) { | |
| 50 // TODO look for gaps between two values | |
| 51 try { | |
| 52 Point point = (Point) wktReader.read(row.getString("SHAPE")); | |
| 53 if (lastPoint != null) | |
| 54 distance = distance + DistanceCalculator.calculateDistance( | |
| 55 lastPoint, point | |
| 56 ); | |
| 57 lastPoint = point; | |
| 58 | |
| 59 ((XYSeries) series).add( | |
| 60 distance, | |
| 61 row.getDouble("YORDINATE") | |
| 62 ); | |
| 63 } | |
| 64 catch(ParseException pe) { | |
| 65 log.warn("No data found while parsing."); | |
| 66 } | |
| 67 } | |
| 68 | |
| 69 | |
| 70 protected void addSeries(Series series, int idx) { | |
| 71 super.addSeries(series, idx); | |
| 72 | |
| 73 // reset values used by current series for next series | |
| 74 lastPoint = null; | |
| 75 distance = 0; | |
| 76 } | |
| 77 | |
| 78 | |
| 79 protected String createSeriesName( | |
| 80 String breakPoint1, | |
| 81 String breakPoint2, | |
| 82 String breakPoint3 | |
| 83 ) { | |
| 84 log.debug("create seriesname of horizontalprofile chart"); | |
| 85 return super.createSeriesName( | |
| 86 breakPoint1, | |
| 87 breakPoint2, | |
| 88 breakPoint3) + | |
| 89 " " + | |
| 90 findValueTitle(dates, breakPoint3); | |
| 91 } | |
| 92 } | |
| 93 // vim:set ts=4 sw=4 si et sta sts=4 fenc=latin1 : |