Mercurial > dive4elements > gnv-client
view gnv-artifacts/src/main/java/de/intevation/gnv/chart/VerticalProfileVectorChart.java @ 1080:01e26528bb39
Some code refactoring for the implementation of histograms using vectorial parameters.
gnv-artifacts/trunk@1182 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Wed, 09 Jun 2010 09:37:57 +0000 |
parents | 9bb1979aabbe |
children | ec512e7992c6 |
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package de.intevation.gnv.chart; import de.intevation.gnv.geobackend.base.Result; import de.intevation.gnv.geobackend.base.ResultDescriptor; import java.util.Collection; import java.util.Iterator; import java.util.Locale; import org.apache.log4j.Logger; import org.jfree.chart.ChartTheme; import org.jfree.chart.plot.XYPlot; import org.jfree.data.xy.XYSeries; import org.jfree.data.xy.XYSeriesCollection; /** * This class is used to create xy charts of vertical profiles. * * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> */ public class VerticalProfileVectorChart extends VerticalProfileChart { private static Logger logger = Logger.getLogger(VerticalProfileVectorChart.class); public VerticalProfileVectorChart( ChartLabels labels, ChartTheme theme, Collection parameters, Collection measurements, Collection dates, Collection result, Collection timeGaps, Locale locale, boolean linesVisible, boolean shapesVisible ) { super(labels, theme, parameters, measurements, dates, result, timeGaps, locale, linesVisible, shapesVisible); } @Override protected void initData() { logger.debug("init data for verticalprofile chart with vector data."); Iterator iter = resultSet.iterator(); Result row = null; String seriesName = null; XYSeries series = null; int idx = 0; int startPos = 0; int endPos = 0; double startValue = 0; double endValue = 0; ResultDescriptor rd = null; int idxSeries = -1; int idxX = -1; int idxY = -1; Result[] results = (Result[]) resultSet.toArray(new Result[resultSet.size()]); while (iter.hasNext()) { row = (Result) iter.next(); if (rd == null) { rd = row.getResultDescriptor(); idxSeries = rd.getColumnIndex("SERIES"); idxX = rd.getColumnIndex("XORDINATE"); idxY = rd.getColumnIndex("YORDINATE"); } if (!row.getString(idxSeries).equals(seriesName)) { logger.debug("prepare data/plot for next dataset."); if (series != null) { gapDetection(results, series, startPos, endPos); addSeries(series, seriesName, idx); startPos = endPos + 1; } seriesName = row.getString(idxSeries); logger.debug("next data is '" + seriesName + "'"); series = new XYSeries(seriesName); } addValue(row, series); Object x = getValue(row); Double y = row.getDouble(idxY); if (x != null && y != null) { storeMaxRange(ranges, y, seriesName); storeMaxValue(values, x, seriesName); } endPos++; } if (results.length == 0) return; gapDetection(results, series, startPos, endPos); addSeries(series, seriesName, idx); addDatasets(); } @Override protected void addDatasets() { XYPlot plot = chart.getXYPlot(); int idx = 0; XYSeriesCollection sc = null; Iterator iter = datasets.keySet().iterator(); while (iter.hasNext()) { String key = (String) iter.next(); sc = (XYSeriesCollection)datasets.get(key); plot.setDataset(idx, sc ); logger.debug("Added " + key + " parameter to plot."); prepareAxis(key, idx); adjustRenderer( idx++, sc.getSeriesCount(), linesVisible, shapesVisible ); } } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :