Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/geom/Lines.java @ 2679:22c8a9b4de31
Minimal doc, TODO.
flys-artifacts/trunk@4377 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
|---|---|
| date | Thu, 10 May 2012 09:28:01 +0000 |
| parents | 2be59d5b342c |
| children | b94b367d8b4d |
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| 2678:d35e37b6a211 | 2679:22c8a9b4de31 |
|---|---|
| 68 this.area = area; | 68 this.area = area; |
| 69 } | 69 } |
| 70 } | 70 } |
| 71 | 71 |
| 72 | 72 |
| 73 /** | |
| 74 * For a cross section given as points and a waterlevel (in meters), | |
| 75 * create a set of lines that represent the water surface, assuming it | |
| 76 * is distributed horizontally equally. | |
| 77 * @param points the points describing the river bed. | |
| 78 * @param waterLevel the height of the horizontal water line. | |
| 79 * @return A list of Lines representing the water surface and the | |
| 80 * calculated area between water surface and river bed. | |
| 81 */ | |
| 73 public static ListWithArea fillWater(List<Point2D> points, double waterLevel) { | 82 public static ListWithArea fillWater(List<Point2D> points, double waterLevel) { |
| 74 | 83 |
| 75 boolean debug = log.isDebugEnabled(); | 84 boolean debug = log.isDebugEnabled(); |
| 76 | 85 |
| 77 if (debug) { | 86 if (debug) { |
| 93 if (waterLevel > p.getY()) { | 102 if (waterLevel > p.getY()) { |
| 94 result.add(new Line2D.Double( | 103 result.add(new Line2D.Double( |
| 95 p.getX(), waterLevel, | 104 p.getX(), waterLevel, |
| 96 p.getX(), waterLevel)); | 105 p.getX(), waterLevel)); |
| 97 } | 106 } |
| 107 // TODO continue calculating area. | |
| 98 return new ListWithArea(result, 0d); | 108 return new ListWithArea(result, 0d); |
| 99 } | 109 } |
| 100 | 110 |
| 101 double minX = Double.MAX_VALUE; | 111 double minX = Double.MAX_VALUE; |
| 102 double minY = Double.MAX_VALUE; | 112 double minY = Double.MAX_VALUE; |