Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/jfree/TimeBounds.java @ 4241:49cb65d5932d

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Improved the historical discharge calculation. The calculation now creates new HistoricalWQKms (new subclass of WQKms). Those WQKms are used to create new facets from (new) type 'HistoricalDischargeCurveFacet'. The chart generator is improved to support those facets.
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Wed, 24 Oct 2012 14:34:35 +0200
parents 2f6d4f92d628
children
rev   line source
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1 package de.intevation.flys.jfree;
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2
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3 import java.util.Date;
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4
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5 import org.jfree.chart.axis.DateAxis;
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6 import org.jfree.chart.axis.ValueAxis;
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7
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8
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9 /**
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10 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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11 */
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12 public class TimeBounds implements Bounds {
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13
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14 protected long lower;
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15 protected long upper;
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16
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17
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18 public TimeBounds(long lower, long upper) {
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19 this.lower = lower;
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20 this.upper = upper;
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21 }
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22
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23
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24 @Override
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25 public Number getLower() {
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26 return Long.valueOf(lower);
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27 }
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29
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30 public Date getLowerAsDate() {
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31 return new Date(lower);
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32 }
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34
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35 @Override
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36 public Number getUpper() {
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37 return Long.valueOf(upper);
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38 }
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39
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40
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41 public Date getUpperAsDate() {
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42 return new Date(upper);
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43 }
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45
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46 @Override
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47 public void applyBounds(ValueAxis axis) {
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48 DateAxis dateAxis = (DateAxis) axis;
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49
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50 dateAxis.setMinimumDate(new Date(lower));
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51 dateAxis.setMaximumDate(new Date(upper));
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52 }
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53
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54
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55 @Override
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56 public void applyBounds(ValueAxis axis, int percent) {
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57 DateAxis dateAxis = (DateAxis) axis;
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58
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59 long space = (upper - lower) / 100 * percent;
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60
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61 dateAxis.setMinimumDate(new Date(lower-space));
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62 dateAxis.setMaximumDate(new Date(upper+space));
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63 }
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65
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66 @Override
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67 public Bounds combine(Bounds bounds) {
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68 if (bounds == null) {
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69 return this;
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70 }
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71
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72 TimeBounds other = (TimeBounds) bounds;
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73
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74 long otherLower = other.getLower().longValue();
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75 long otherUpper = other.getUpper().longValue();
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76
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77 return new TimeBounds(
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78 otherLower < lower ? otherLower : lower,
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79 otherUpper > upper ? otherUpper : upper);
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80 }
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81
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82
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83 @Override
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84 public String toString() {
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85 return "TimeBounds=["+ getLowerAsDate() + " ; " + getUpperAsDate() +"]";
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86 }
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87 }
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88 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org