Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/geom/Polygon2D.java @ 3258:3c006a53e551
Replaced tabs with four spaces each.
flys-artifacts/trunk@4895 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
|---|---|
| date | Sun, 08 Jul 2012 08:43:13 +0000 |
| parents | ed07dd55f487 |
| children |
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| 3257:2aca387333d6 | 3258:3c006a53e551 |
|---|---|
| 91 } | 91 } |
| 92 | 92 |
| 93 public double area() { | 93 public double area() { |
| 94 double area = 0d; | 94 double area = 0d; |
| 95 | 95 |
| 96 for (int i = 0, N = points.size(); i < N; ++i) { | 96 for (int i = 0, N = points.size(); i < N; ++i) { |
| 97 int j = (i + 1) % N; | 97 int j = (i + 1) % N; |
| 98 Point2D pi = points.get(i); | 98 Point2D pi = points.get(i); |
| 99 Point2D pj = points.get(j); | 99 Point2D pj = points.get(j); |
| 100 area += X(pi)*Y(pj); | 100 area += X(pi)*Y(pj); |
| 101 area -= X(pj)*Y(pi); | 101 area -= X(pj)*Y(pi); |
| 102 } | 102 } |
| 103 | 103 |
| 104 return 0.5d*area; | 104 return 0.5d*area; |
| 105 } | 105 } |
| 106 | 106 |
| 107 public Shape toShape() { | 107 public Shape toShape() { |