Mercurial > dive4elements > gnv-client
comparison gnv-artifacts/src/main/java/de/intevation/gnv/chart/TimeSeriesVectorChart.java @ 1119:7c4f81f74c47
merged gnv-artifacts
| author | Thomas Arendsen Hein <thomas@intevation.de> |
|---|---|
| date | Fri, 28 Sep 2012 12:14:00 +0200 |
| parents | f953c9a559d8 |
| children |
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| 1027:fca4b5eb8d2f | 1119:7c4f81f74c47 |
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| 1 /* | |
| 2 * Copyright (c) 2010 by Intevation GmbH | |
| 3 * | |
| 4 * This program is free software under the LGPL (>=v2.1) | |
| 5 * Read the file LGPL.txt coming with the software for details | |
| 6 * or visit http://www.gnu.org/licenses/ if it does not exist. | |
| 7 */ | |
| 8 | |
| 9 package de.intevation.gnv.chart; | |
| 10 | |
| 11 import de.intevation.gnv.geobackend.base.Result; | |
| 12 import de.intevation.gnv.geobackend.base.ResultDescriptor; | |
| 13 | |
| 14 import java.util.Collection; | |
| 15 import java.util.Date; | |
| 16 import java.util.Iterator; | |
| 17 import java.util.Locale; | |
| 18 | |
| 19 import org.apache.log4j.Logger; | |
| 20 | |
| 21 import org.jfree.chart.ChartTheme; | |
| 22 import org.jfree.chart.plot.XYPlot; | |
| 23 | |
| 24 import org.jfree.data.time.Minute; | |
| 25 import org.jfree.data.time.TimeSeries; | |
| 26 import org.jfree.data.time.TimeSeriesCollection; | |
| 27 | |
| 28 | |
| 29 /** | |
| 30 * This class is used to create timeseries charts that contain components of a | |
| 31 * vector parameter. The domain axis contains multiple date/time objects. | |
| 32 * | |
| 33 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> | |
| 34 */ | |
| 35 public class TimeSeriesVectorChart extends TimeSeriesChart { | |
| 36 | |
| 37 private static Logger logger =Logger.getLogger(TimeSeriesVectorChart.class); | |
| 38 | |
| 39 public TimeSeriesVectorChart( | |
| 40 ChartLabels labels, | |
| 41 ChartTheme theme, | |
| 42 Collection parameters, | |
| 43 Collection measurements, | |
| 44 Collection dates, | |
| 45 Collection result, | |
| 46 Collection timeGaps, | |
| 47 Locale locale, | |
| 48 boolean linesVisible, | |
| 49 boolean shapesVisible | |
| 50 ) { | |
| 51 super(labels, theme, parameters, measurements, dates, result, | |
| 52 timeGaps, locale, linesVisible, shapesVisible); | |
| 53 } | |
| 54 | |
| 55 | |
| 56 @Override | |
| 57 protected void initData() { | |
| 58 logger.debug("init data for timeseries vector chart"); | |
| 59 | |
| 60 Iterator iter = resultSet.iterator(); | |
| 61 Result row = null; | |
| 62 String seriesName = null; | |
| 63 TimeSeries series = null; | |
| 64 | |
| 65 int idx = 0; | |
| 66 int startPos = 0; | |
| 67 int endPos = 0; | |
| 68 Date startDate = null; | |
| 69 Date endDate = null; | |
| 70 | |
| 71 ResultDescriptor rd = null; | |
| 72 int idxSeries = -1; | |
| 73 int idxX = -1; | |
| 74 int idxY = -1; | |
| 75 | |
| 76 Result[] results = | |
| 77 (Result[]) resultSet.toArray(new Result[resultSet.size()]); | |
| 78 | |
| 79 while (iter.hasNext()) { | |
| 80 row = (Result) iter.next(); | |
| 81 | |
| 82 if (rd == null) { | |
| 83 rd = row.getResultDescriptor(); | |
| 84 idxSeries = rd.getColumnIndex("SERIES"); | |
| 85 idxX = rd.getColumnIndex("XORDINATE"); | |
| 86 idxY = rd.getColumnIndex("YORDINATE"); | |
| 87 } | |
| 88 | |
| 89 // add current data to plot and prepare for next one | |
| 90 if (!row.getString(idxSeries).equals(seriesName)) { | |
| 91 logger.debug("prepare data/plot for next dataset"); | |
| 92 | |
| 93 if(series != null) { | |
| 94 // add gaps before adding series to chart | |
| 95 startDate = results[startPos].getDate(idxX); | |
| 96 endDate = results[endPos-1].getDate(idxX); | |
| 97 addGaps(results,series,startDate,endDate,startPos,endPos); | |
| 98 addSeries(series, seriesName, idx); | |
| 99 | |
| 100 startPos = endPos + 1; | |
| 101 } | |
| 102 | |
| 103 // prepare variables for next plot | |
| 104 seriesName = row.getString(idxSeries); | |
| 105 | |
| 106 logger.debug("next dataset is '" + seriesName + "'"); | |
| 107 series = new TimeSeries(seriesName, Minute.class); | |
| 108 } | |
| 109 | |
| 110 addValue(row, series); | |
| 111 storeMaxRange(ranges, row.getDouble(idxY), seriesName); | |
| 112 endPos++; | |
| 113 } | |
| 114 | |
| 115 if (startPos < results.length && endPos-1 < results.length) { | |
| 116 // add the last dataset if existing to plot and prepare its axis | |
| 117 startDate = results[startPos].getDate(idxX); | |
| 118 endDate = results[endPos-1].getDate(idxX); | |
| 119 addGaps(results, series, startDate, endDate, startPos, endPos); | |
| 120 addSeries(series, seriesName, idx); | |
| 121 } | |
| 122 | |
| 123 addDatasets(); | |
| 124 } | |
| 125 | |
| 126 | |
| 127 @Override | |
| 128 protected void addDatasets() { | |
| 129 XYPlot plot = chart.getXYPlot(); | |
| 130 int idx = 0; | |
| 131 | |
| 132 TimeSeriesCollection tsc = null; | |
| 133 Iterator iter = datasets.keySet().iterator(); | |
| 134 | |
| 135 while (iter.hasNext()) { | |
| 136 String key = (String) iter.next(); | |
| 137 tsc = (TimeSeriesCollection)datasets.get(key); | |
| 138 plot.setDataset(idx, tsc ); | |
| 139 logger.debug("Added " + key + " parameter to plot."); | |
| 140 prepareAxis(key, idx); | |
| 141 adjustRenderer( | |
| 142 idx++, | |
| 143 tsc.getSeriesCount(), | |
| 144 linesVisible, | |
| 145 shapesVisible | |
| 146 ); | |
| 147 } | |
| 148 } | |
| 149 } | |
| 150 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 : |