Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/org/dive4elements/river/artifacts/model/ZoomScale.java @ 5831:bd047b71ab37
Repaired internal references
| author | Sascha L. Teichmann <teichmann@intevation.de> |
|---|---|
| date | Thu, 25 Apr 2013 12:06:39 +0200 |
| parents | flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/ZoomScale.java@e8c6fbed889b |
| children |
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| 5830:160f53ee0870 | 5831:bd047b71ab37 |
|---|---|
| 1 package org.dive4elements.river.artifacts.model; | |
| 2 | |
| 3 import java.util.HashMap; | |
| 4 import java.util.Map; | |
| 5 import java.util.Set; | |
| 6 import java.util.TreeMap; | |
| 7 | |
| 8 import org.apache.log4j.Logger; | |
| 9 | |
| 10 import org.dive4elements.river.artifacts.math.Linear; | |
| 11 | |
| 12 | |
| 13 public class ZoomScale | |
| 14 { | |
| 15 private static Logger logger = Logger.getLogger(ZoomScale.class); | |
| 16 | |
| 17 private HashMap<String, TreeMap<Double, Double>> rivers; | |
| 18 | |
| 19 public ZoomScale() { | |
| 20 this.rivers = new HashMap<String, TreeMap<Double, Double>>(); | |
| 21 } | |
| 22 | |
| 23 public ZoomScale(String river) { | |
| 24 this(); | |
| 25 rivers.put(river, new TreeMap<Double, Double>()); | |
| 26 } | |
| 27 | |
| 28 public double getRadius(String river, double lower, double upper) { | |
| 29 double range = Math.abs(upper) - Math.abs(lower); | |
| 30 TreeMap<Double, Double> ranges = rivers.get(river); | |
| 31 if (ranges == null) { | |
| 32 return 0.001; | |
| 33 } | |
| 34 Map.Entry<Double, Double> next = ranges.higherEntry(range); | |
| 35 Map.Entry<Double, Double> prev = ranges.lowerEntry(range); | |
| 36 double x0 = 0d; | |
| 37 double x1 = 0d; | |
| 38 double y0 = 0d; | |
| 39 double y1 = 0d; | |
| 40 if (prev == null && next != null) { | |
| 41 x1 = next.getKey(); | |
| 42 y1 = next.getValue(); | |
| 43 } | |
| 44 else if (prev != null && next == null) { | |
| 45 return prev.getValue(); | |
| 46 } | |
| 47 else { | |
| 48 x0 = prev.getKey(); | |
| 49 x1 = next.getKey(); | |
| 50 y0 = prev.getValue(); | |
| 51 y1 = next.getValue(); | |
| 52 } | |
| 53 return Linear.linear(range, x0, x1, y0, y1); | |
| 54 } | |
| 55 | |
| 56 public void addRiver(String river) { | |
| 57 if (!this.rivers.containsKey(river)) { | |
| 58 this.rivers.put(river, new TreeMap<Double, Double>()); | |
| 59 } | |
| 60 } | |
| 61 | |
| 62 public Set<String> getRivers() { | |
| 63 return this.rivers.keySet(); | |
| 64 } | |
| 65 | |
| 66 public void addRange(String river, double range, double radius) { | |
| 67 if (this.rivers.containsKey(river)) { | |
| 68 this.rivers.get(river).put(range, radius); | |
| 69 } | |
| 70 else { | |
| 71 this.rivers.put(river, new TreeMap<Double, Double>()); | |
| 72 this.rivers.get(river).put(range, radius); | |
| 73 } | |
| 74 } | |
| 75 } |