Mercurial > dive4elements > river
comparison artifacts/src/main/java/org/dive4elements/river/jfree/DoubleBounds.java @ 5838:5aa05a7a34b7
Rename modules to more fitting names.
| author | Sascha L. Teichmann <teichmann@intevation.de> |
|---|---|
| date | Thu, 25 Apr 2013 15:23:37 +0200 |
| parents | flys-artifacts/src/main/java/org/dive4elements/river/jfree/DoubleBounds.java@bd047b71ab37 |
| children | 4897a58c8746 |
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| 5837:d9901a08d0a6 | 5838:5aa05a7a34b7 |
|---|---|
| 1 package org.dive4elements.river.jfree; | |
| 2 | |
| 3 | |
| 4 import org.jfree.chart.axis.ValueAxis; | |
| 5 import org.jfree.chart.axis.LogarithmicAxis; | |
| 6 import org.jfree.data.Range; | |
| 7 | |
| 8 | |
| 9 /** | |
| 10 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> | |
| 11 */ | |
| 12 public class DoubleBounds implements Bounds { | |
| 13 | |
| 14 protected double lower; | |
| 15 protected double upper; | |
| 16 | |
| 17 | |
| 18 /** | |
| 19 * Default constructor. <b>A DoubleBounds has always set lower < | |
| 20 * upper!</b> | |
| 21 */ | |
| 22 public DoubleBounds(double lower, double upper) { | |
| 23 this.lower = Math.min(lower, upper); | |
| 24 this.upper = Math.max(lower, upper); | |
| 25 } | |
| 26 | |
| 27 | |
| 28 @Override | |
| 29 public Number getLower() { | |
| 30 return Double.valueOf(lower); | |
| 31 } | |
| 32 | |
| 33 | |
| 34 @Override | |
| 35 public Number getUpper() { | |
| 36 return Double.valueOf(upper); | |
| 37 } | |
| 38 | |
| 39 | |
| 40 @Override | |
| 41 public void applyBounds(ValueAxis axis) { | |
| 42 axis.setRange(new Range(lower, upper)); | |
| 43 } | |
| 44 | |
| 45 | |
| 46 /** | |
| 47 * Set extended range to ValueAxis. | |
| 48 * @param percent how many percent to extend (in each direction, | |
| 49 * thus 10 percent on [0,100] -> [-10,110]. | |
| 50 */ | |
| 51 @Override | |
| 52 public void applyBounds(ValueAxis axis, int percent) { | |
| 53 double space = (upper - lower) / 100 * percent; | |
| 54 if (axis instanceof LogarithmicAxis) { | |
| 55 axis.setRange(new Range(Math.max(lower-space, 0.0001), | |
| 56 Math.max(upper+space, 0.0002))); | |
| 57 } else { | |
| 58 axis.setRange(new Range(lower-space, upper+space)); | |
| 59 } | |
| 60 } | |
| 61 | |
| 62 | |
| 63 @Override | |
| 64 public Bounds combine(Bounds bounds) { | |
| 65 if (bounds == null) { | |
| 66 return this; | |
| 67 } | |
| 68 | |
| 69 DoubleBounds other = (DoubleBounds) bounds; | |
| 70 | |
| 71 double otherLower = other.getLower().doubleValue(); | |
| 72 double otherUpper = other.getUpper().doubleValue(); | |
| 73 | |
| 74 return new DoubleBounds( | |
| 75 otherLower < lower ? otherLower : lower, | |
| 76 otherUpper > upper ? otherUpper : upper); | |
| 77 } | |
| 78 | |
| 79 | |
| 80 @Override | |
| 81 public String toString() { | |
| 82 return "DoubleBounds=[" + lower + " ; " + upper + "]"; | |
| 83 } | |
| 84 } | |
| 85 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |