Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/exports/DischargeGenerator.java @ 8320:b1303070c050

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Generate a W in CM axis if there are W data.
author Sascha L. Teichmann <teichmann@intevation.de>
date Wed, 24 Sep 2014 17:39:29 +0200
parents cfb3a4d0c637
children c44775cd79f2
rev   line source
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cfb3a4d0c637 Added new diagramm generator for Q symmetry.
Sascha L. Teichmann <teichmann@intevation.de>
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1 /* Copyright (C) 2014 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8 package org.dive4elements.river.exports;
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9
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10 import java.awt.Font;
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11
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12 import org.apache.commons.logging.Log;
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13 import org.apache.commons.logging.LogFactory;
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14 import org.apache.log4j.Logger;
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15 import org.dive4elements.artifactdatabase.state.ArtifactAndFacet;
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16 import org.dive4elements.river.exports.injector.InjectorConstants;
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17 import org.dive4elements.river.jfree.AxisDataset;
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18 import org.jfree.chart.axis.NumberAxis;
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19 import org.jfree.chart.plot.XYPlot;
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20 import org.jfree.data.Range;
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21
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22 public class DischargeGenerator
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23 extends DiagramGenerator
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24 implements InjectorConstants
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25 {
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26 private static Logger log = Logger.getLogger(DiagramGenerator.class);
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27
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28 public DischargeGenerator() {
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29 }
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30
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31 @Override
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32 public void addDatasets(XYPlot plot) {
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33 super.addDatasets(plot);
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34
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35 Object pnp = context.getContextValue(PNP);
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36 if (!(pnp instanceof Number)) {
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37 return;
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38 }
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39
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40 double pnpValue = ((Number)pnp).doubleValue();
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41
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42 int wAxisIndex = diagramAttributes.getAxisIndex("W");
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43 if (wAxisIndex == -1) {
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44 log.warn("No W axis found.");
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45 return;
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46 }
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47
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48 AxisDataset data = datasets.get(wAxisIndex);
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49 if (data == null) {
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50 // No W axis
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51 return;
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52 }
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53
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54 Range range = inCm(data.getRange(), pnpValue);
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55
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56 // Do we have an index for W in cm?
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57 NumberAxis wInCmAxis = createWinCMAxis(wAxisIndex);
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58 wInCmAxis.setRange(range.getLowerBound(), range.getUpperBound());
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59
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60 plot.setRangeAxis(plot.getRangeAxisCount(), wInCmAxis);
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61 }
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62
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63 private static Range inCm(Range r, double pnpValue) {
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64 double l = r.getLowerBound();
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65 double u = r.getUpperBound();
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66 l = (l - pnpValue)*100d;
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67 u = (u - pnpValue)*100d;
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68 return new Range(l, u);
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69 }
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70
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71 private NumberAxis createWinCMAxis(int wAxisIndex) {
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72
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73 Font labelFont = new Font(
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74 DEFAULT_FONT_NAME,
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75 Font.BOLD,
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76 getYAxisFontSize(wAxisIndex));
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77
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78 String axisName = "W.in.cm";
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79
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80 // TODO: I18N
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81 IdentifiableNumberAxis axis = new IdentifiableNumberAxis(
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82 axisName, "W.in.cm");
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83
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84 axis.setAutoRangeIncludesZero(false);
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85 axis.setLabelFont(labelFont);
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86 axis.setTickLabelFont(labelFont);
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87
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88 return axis;
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89 }
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90 }
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91 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org