Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/Range.java @ 4655:cd44d28d0fbc

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Move the access to artifact data to the Access object Use BedHeightAccess class to receive the data from the artifact. This abstracts the data access from the actual artifact.
author Björn Ricks <bjoern.ricks@intevation.de>
date Tue, 11 Dec 2012 09:44:04 +0100
parents 048b3c3acd01
children f7208c190e4a
rev   line source
3138
9c147bbffc36 FixA: Move Range out of FixingsOverview
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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1 package de.intevation.flys.artifacts.model;
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2
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3 import java.io.Serializable;
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4
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5 /** A range from ... to .*/
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6 public class Range implements Serializable {
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7
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8 public static final double EPSILON = 1e-5;
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9
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10 protected double start;
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11 protected double end;
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12
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13 public Range() {
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14 }
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15
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16 public Range(Range other) {
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17 start = other.start;
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18 end = other.end;
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19 }
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20
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21 public Range(double start, double end) {
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22 this.start = start;
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23 this.end = end;
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24 }
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25
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26 public double getStart() {
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27 return start;
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28 }
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29
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30 public double getEnd() {
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31 return end;
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32 }
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33
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34 public boolean disjoint(double ostart, double oend) {
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35 return start > oend || ostart > end;
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36 }
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37
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38 public boolean disjoint(Range other) {
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39 return start > other.end || other.start > end;
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40 }
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41
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42 public boolean intersects(Range other) {
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43 return !disjoint(other);
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44 }
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45
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46 public void extend(Range other) {
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47 if (other.start < start) start = other.start;
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48 if (other.end > end ) end = other.end;
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49 }
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50
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51 public boolean clip(Range other) {
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52 if (disjoint(other)) return false;
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53
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54 if (other.start > start) start = other.start;
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55 if (other.end < end ) end = other.end;
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56
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57 return true;
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58 }
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59
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60 /** True if start>x<end (+ some epsilon) . */
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61 public boolean inside(double x) {
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62 return x > start-EPSILON && x < end+EPSILON;
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63 }
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64 }
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65 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org