Mercurial > dive4elements > river
diff flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/QRangeTree.java @ 5423:f4fd64a4d502
Fix Wstcalculation for non monotonous values.
Patch written and provided by Sascha Teichmann
| author | Andre Heinecke <aheinecke@intevation.de> |
|---|---|
| date | Tue, 26 Mar 2013 11:39:03 +0100 |
| parents | 14db045d6368 |
| children |
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--- a/flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/QRangeTree.java Tue Mar 26 11:29:25 2013 +0100 +++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/QRangeTree.java Tue Mar 26 11:39:03 2013 +0100 @@ -269,6 +269,26 @@ return parent; } + public double averageQ() { + double sum = 0d; + int n = 0; + for (Node node = head(); node != null; node = node.next) { + sum += node.q; + ++n; + } + return sum/n; + } + + public double maxQ() { + double max = -Double.MAX_VALUE; + for (Node node = head(); node != null; node = node.next) { + if (node.q > max) { + max = node.q; + } + } + return max; + } + public double findQ(double pos) { return root != null ? root.findQ(pos) : Double.NaN; }