Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/FixingsColumn.java @ 3318:dbe2f85bf160
merged flys-artifacts/2.8
| author | Thomas Arendsen Hein <thomas@intevation.de> |
|---|---|
| date | Fri, 28 Sep 2012 12:14:35 +0200 |
| parents | 70469e3d34b9 |
| children |
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| 2987:98c7a46ec5ae | 3318:dbe2f85bf160 |
|---|---|
| 1 package de.intevation.flys.artifacts.model; | |
| 2 | |
| 3 import de.intevation.flys.artifacts.math.Linear; | |
| 4 | |
| 5 import java.util.Arrays; | |
| 6 | |
| 7 import java.io.Serializable; | |
| 8 | |
| 9 public class FixingsColumn | |
| 10 implements Serializable | |
| 11 { | |
| 12 protected double [] kms; | |
| 13 protected double [] ws; | |
| 14 | |
| 15 protected QRangeTree qs; | |
| 16 | |
| 17 public FixingsColumn() { | |
| 18 } | |
| 19 | |
| 20 public FixingsColumn( | |
| 21 double [] kms, | |
| 22 double [] ws, | |
| 23 QRangeTree qs | |
| 24 ) { | |
| 25 this.kms = kms; | |
| 26 this.ws = ws; | |
| 27 this.qs = qs; | |
| 28 } | |
| 29 | |
| 30 public boolean getW(double km, double [] w) { | |
| 31 return getW(km, w, 0); | |
| 32 } | |
| 33 | |
| 34 public boolean getW(double km, double [] w, int index) { | |
| 35 | |
| 36 if (kms.length == 0 || km < kms[0] || km > kms[kms.length-1]) { | |
| 37 w[index] = Double.NaN; | |
| 38 return true; | |
| 39 } | |
| 40 | |
| 41 int idx = Arrays.binarySearch(kms, km); | |
| 42 | |
| 43 if (idx >= 0) { | |
| 44 w[index] = ws[idx]; | |
| 45 return true; | |
| 46 } | |
| 47 | |
| 48 idx = -idx - 1; | |
| 49 | |
| 50 w[index] = Linear.linear(km, kms[idx-1], kms[idx], ws[idx-1], ws[idx]); | |
| 51 return false; | |
| 52 } | |
| 53 | |
| 54 public double getQ(double km) { | |
| 55 return qs.findQ(km); | |
| 56 } | |
| 57 | |
| 58 public QRangeTree getQRanges() { | |
| 59 return qs; | |
| 60 } | |
| 61 } | |
| 62 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |