Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/exports/HistoricalDischargeCurveGenerator.java @ 2240:e9173de1026c
The HistoricalDischargeCurveGenerator now creates new AxisDataset objects and new TimeSeriesCollections for each Facet.
flys-artifacts/trunk@3887 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Thu, 02 Feb 2012 16:39:50 +0000 |
parents | 958a10e2e246 |
children | d70a04cad84d |
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package de.intevation.flys.exports; import java.awt.Font; import java.util.Date; import org.w3c.dom.Document; import org.apache.log4j.Logger; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.NumberAxis; import org.jfree.data.general.SeriesException; import org.jfree.data.time.Minute; import org.jfree.data.time.RegularTimePeriod; import org.jfree.data.time.TimeSeries; import org.jfree.data.time.TimeSeriesCollection; import de.intevation.artifactdatabase.state.ArtifactAndFacet; import de.intevation.flys.artifacts.FLYSArtifact; import de.intevation.flys.artifacts.model.FacetTypes; import de.intevation.flys.artifacts.model.Timerange; import de.intevation.flys.artifacts.model.WQTimerange; /** * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> */ public class HistoricalDischargeCurveGenerator extends TimeseriesChartGenerator implements FacetTypes { private static Logger logger = Logger.getLogger(HistoricalDischargeCurveGenerator.class); public static enum YAXIS { Q(0); protected int idx; private YAXIS(int c) { idx = c; } } @Override protected YAxisWalker getYAxisWalker() { return new YAxisWalker() { @Override public int length() { return YAXIS.values().length; } @Override public String getId(int idx) { YAXIS[] yaxes = YAXIS.values(); return yaxes[idx].toString(); } }; } @Override protected String getDefaultChartTitle() { return "TODO: CHART TITLE"; } /** * Empty (suppress subtitle). */ @Override protected void addSubtitles(JFreeChart chart) { // this chart has no subtitle } @Override protected String getDefaultXAxisLabel() { return "TODO: DEFAULT X AXIS LABEL"; } @Override protected String getDefaultYAxisLabel(int pos) { return "TODO: DEFAULT Y AXIS LABEL FOR: " + pos; } /** * Creates a new Y-Axis. * * @param index the index of the Y axis. * * @return an new NumberAxis with label from <i>getYAxisLabel()</i>. */ @Override protected NumberAxis createYAxis(int index) { Font labelFont = new Font("Tahoma", Font.BOLD, 14); String label = "default"; if (index == YAXIS.Q.idx) { label = getYAxisLabel(0); } NumberAxis axis = createNumberAxis(index, label); axis.setLabelFont(labelFont); axis.setAutoRangeIncludesZero(false); return axis; } public void doOut( ArtifactAndFacet artifactFacet, Document theme, boolean visible ) { String name = artifactFacet.getFacetName(); logger.debug("HistoricalDischargeCurveGenerator.doOut: " + name); if (name.equals(HISTORICAL_DISCHARGE_Q)) { doHistoricalDischargeOut( (FLYSArtifact) artifactFacet.getArtifact(), artifactFacet.getData(context), artifactFacet.getFacetDescription(), theme, visible); } else { logger.warn("doOut(): unknown facet name: " + name); return; } } protected void doHistoricalDischargeOut( FLYSArtifact artifact, Object data, String desc, Document theme, boolean visible) { logger.debug("doHistoricalDischargeOut(): description = " + desc); logger.warn("TODO IMPLEMENT ME"); WQTimerange wqt = (WQTimerange) data; TimeSeriesCollection tsc = newTimeSeriesCollection(wqt, desc); addAxisDataset(tsc, 0, visible); } /** * Creates a new TimeSeriesCollection with a single TimeSeries. The * TimeSeries will consist of two RegularTimePeriods for each W/Q value * provided by <i>wqt</i>. This has the effect, that the line in the chart * looks like a "step chart". */ protected TimeSeriesCollection newTimeSeriesCollection( WQTimerange wqt, String desc ) { logger.debug("Create new TimeSeriesCollection for: " + desc); TimeSeriesCollection tsc = new TimeSeriesCollection(); TimeSeries series = new TimeSeries(desc); Timerange tr = null; double[] res = new double[2]; for (int i = 0, n = wqt.size(); i < n; i++) { res = wqt.get(i, res); RegularTimePeriod[] rtp = newRegularTimePeriod(wqt.getTimerange(i)); try { // TODO WHICH (W/Q) IS REQUIRED? series.add(rtp[0], res[1]); series.add(rtp[1], res[1]); } catch (SeriesException se) { logger.warn("Error while adding TimePeriod: " + se); } } tsc.addSeries(series); return tsc; } /** * Creates an array that consists of two <i>Minute</i> periods [start, end]. * * @param timerange Supports start and end time. * * @return an array with two <i>Minute</i> periods [start, end]. */ protected RegularTimePeriod[] newRegularTimePeriod(Timerange timerange) { Date start = new Date(timerange.getStart()); Date end = new Date(timerange.getEnd() - 1000 * 60); return new RegularTimePeriod[] { new Minute(start), new Minute(end) }; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :