Mercurial > dive4elements > gnv-client
comparison gnv-artifacts/src/main/java/de/intevation/gnv/chart/TimeSeriesVectorChart.java @ 1040:70653c29fc1d
Finished vector support for timeseriespoints (Issue27).
gnv-artifacts/trunk@1112 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
|---|---|
| date | Wed, 19 May 2010 14:05:33 +0000 |
| parents | |
| children | f953c9a559d8 |
comparison
equal
deleted
inserted
replaced
| 1039:3be83ac4cfde | 1040:70653c29fc1d |
|---|---|
| 1 package de.intevation.gnv.chart; | |
| 2 | |
| 3 import de.intevation.gnv.geobackend.base.Result; | |
| 4 import de.intevation.gnv.geobackend.base.ResultDescriptor; | |
| 5 | |
| 6 import java.util.Collection; | |
| 7 import java.util.Date; | |
| 8 import java.util.Iterator; | |
| 9 import java.util.Locale; | |
| 10 | |
| 11 import org.apache.log4j.Logger; | |
| 12 | |
| 13 import org.jfree.chart.ChartTheme; | |
| 14 import org.jfree.chart.plot.XYPlot; | |
| 15 | |
| 16 import org.jfree.data.time.Minute; | |
| 17 import org.jfree.data.time.TimeSeries; | |
| 18 import org.jfree.data.time.TimeSeriesCollection; | |
| 19 | |
| 20 | |
| 21 /** | |
| 22 * This class is used to create timeseries charts that contain components of a | |
| 23 * vector parameter. The domain axis contains multiple date/time objects. | |
| 24 * | |
| 25 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> | |
| 26 */ | |
| 27 public class TimeSeriesVectorChart extends TimeSeriesChart { | |
| 28 | |
| 29 private static Logger logger =Logger.getLogger(TimeSeriesVectorChart.class); | |
| 30 | |
| 31 public TimeSeriesVectorChart( | |
| 32 ChartLabels labels, | |
| 33 ChartTheme theme, | |
| 34 Collection parameters, | |
| 35 Collection measurements, | |
| 36 Collection dates, | |
| 37 Collection result, | |
| 38 Collection timeGaps, | |
| 39 Locale locale, | |
| 40 boolean linesVisible, | |
| 41 boolean shapesVisible | |
| 42 ) { | |
| 43 super(labels, theme, parameters, measurements, dates, result, | |
| 44 timeGaps, locale, linesVisible, shapesVisible); | |
| 45 } | |
| 46 | |
| 47 | |
| 48 @Override | |
| 49 protected void initData() { | |
| 50 logger.debug("init data for timeseries vector chart"); | |
| 51 | |
| 52 Iterator iter = resultSet.iterator(); | |
| 53 Result row = null; | |
| 54 String seriesName = null; | |
| 55 TimeSeries series = null; | |
| 56 | |
| 57 int idx = 0; | |
| 58 int startPos = 0; | |
| 59 int endPos = 0; | |
| 60 Date startDate = null; | |
| 61 Date endDate = null; | |
| 62 | |
| 63 ResultDescriptor rd = null; | |
| 64 int idxSeries = -1; | |
| 65 int idxX = -1; | |
| 66 int idxY = -1; | |
| 67 | |
| 68 Result[] results = | |
| 69 (Result[]) resultSet.toArray(new Result[resultSet.size()]); | |
| 70 | |
| 71 while (iter.hasNext()) { | |
| 72 row = (Result) iter.next(); | |
| 73 | |
| 74 if (rd == null) { | |
| 75 rd = row.getResultDescriptor(); | |
| 76 idxSeries = rd.getColumnIndex("SERIES"); | |
| 77 idxX = rd.getColumnIndex("XORDINATE"); | |
| 78 idxY = rd.getColumnIndex("YORDINATE"); | |
| 79 } | |
| 80 | |
| 81 // add current data to plot and prepare for next one | |
| 82 if (!row.getString(idxSeries).equals(seriesName)) { | |
| 83 logger.debug("prepare data/plot for next dataset"); | |
| 84 | |
| 85 if(series != null) { | |
| 86 // add gaps before adding series to chart | |
| 87 startDate = results[startPos].getDate(idxX); | |
| 88 endDate = results[endPos-1].getDate(idxX); | |
| 89 addGaps(results,series,startDate,endDate,startPos,endPos); | |
| 90 addSeries(series, seriesName, idx); | |
| 91 | |
| 92 startPos = endPos + 1; | |
| 93 } | |
| 94 | |
| 95 // prepare variables for next plot | |
| 96 seriesName = row.getString(idxSeries); | |
| 97 | |
| 98 logger.debug("next dataset is '" + seriesName + "'"); | |
| 99 series = new TimeSeries(seriesName, Minute.class); | |
| 100 } | |
| 101 | |
| 102 addValue(row, series); | |
| 103 storeMaxRange(ranges, row.getDouble(idxY), seriesName); | |
| 104 endPos++; | |
| 105 } | |
| 106 | |
| 107 if (startPos < results.length && endPos-1 < results.length) { | |
| 108 // add the last dataset if existing to plot and prepare its axis | |
| 109 startDate = results[startPos].getDate(idxX); | |
| 110 endDate = results[endPos-1].getDate(idxX); | |
| 111 addGaps(results, series, startDate, endDate, startPos, endPos); | |
| 112 addSeries(series, seriesName, idx); | |
| 113 } | |
| 114 | |
| 115 addDatasets(); | |
| 116 } | |
| 117 | |
| 118 | |
| 119 @Override | |
| 120 protected void addDatasets() { | |
| 121 XYPlot plot = chart.getXYPlot(); | |
| 122 int idx = 0; | |
| 123 | |
| 124 TimeSeriesCollection tsc = null; | |
| 125 Iterator iter = datasets.keySet().iterator(); | |
| 126 | |
| 127 while (iter.hasNext()) { | |
| 128 String key = (String) iter.next(); | |
| 129 tsc = (TimeSeriesCollection)datasets.get(key); | |
| 130 plot.setDataset(idx, tsc ); | |
| 131 logger.debug("Added " + key + " parameter to plot."); | |
| 132 prepareAxis(key, idx); | |
| 133 adjustRenderer( | |
| 134 idx++, | |
| 135 tsc.getSeriesCount(), | |
| 136 linesVisible, | |
| 137 shapesVisible | |
| 138 ); | |
| 139 } | |
| 140 } | |
| 141 } | |
| 142 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 : |