Mercurial > dive4elements > river
comparison artifacts/src/main/java/org/dive4elements/river/artifacts/model/Range.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/artifacts/model/Range.java@bd047b71ab37 |
| children | 4897a58c8746 |
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| 5837:d9901a08d0a6 | 5838:5aa05a7a34b7 |
|---|---|
| 1 package org.dive4elements.river.artifacts.model; | |
| 2 | |
| 3 import java.io.Serializable; | |
| 4 | |
| 5 /** A range from ... to .*/ | |
| 6 public class Range implements Serializable { | |
| 7 | |
| 8 public static final double EPSILON = 1e-5; | |
| 9 | |
| 10 protected double start; | |
| 11 protected double end; | |
| 12 | |
| 13 public Range() { | |
| 14 } | |
| 15 | |
| 16 public Range(Range other) { | |
| 17 start = other.start; | |
| 18 end = other.end; | |
| 19 } | |
| 20 | |
| 21 public Range(double start, double end) { | |
| 22 this.start = start; | |
| 23 this.end = end; | |
| 24 } | |
| 25 | |
| 26 public double getStart() { | |
| 27 return start; | |
| 28 } | |
| 29 | |
| 30 public double getEnd() { | |
| 31 return end; | |
| 32 } | |
| 33 | |
| 34 public boolean disjoint(double ostart, double oend) { | |
| 35 return start > oend || ostart > end; | |
| 36 } | |
| 37 | |
| 38 public boolean disjoint(Range other) { | |
| 39 return start > other.end || other.start > end; | |
| 40 } | |
| 41 | |
| 42 public boolean intersects(Range other) { | |
| 43 return !disjoint(other); | |
| 44 } | |
| 45 | |
| 46 public void extend(Range other) { | |
| 47 if (other.start < start) start = other.start; | |
| 48 if (other.end > end ) end = other.end; | |
| 49 } | |
| 50 | |
| 51 public boolean clip(Range other) { | |
| 52 if (disjoint(other)) return false; | |
| 53 | |
| 54 if (other.start > start) start = other.start; | |
| 55 if (other.end < end ) end = other.end; | |
| 56 | |
| 57 return true; | |
| 58 } | |
| 59 | |
| 60 /** True if start>x<end (+ some epsilon) . */ | |
| 61 public boolean inside(double x) { | |
| 62 return x > start-EPSILON && x < end+EPSILON; | |
| 63 } | |
| 64 } | |
| 65 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |