Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/FixingsColumn.java @ 2610:3c907758f0ab
Added cacheable model for fixing column.
flys-artifacts/trunk@4192 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
|---|---|
| date | Tue, 03 Apr 2012 16:51:03 +0000 |
| parents | |
| children | b0597a63fe70 |
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| 2609:ed550e325248 | 2610:3c907758f0ab |
|---|---|
| 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 int columnId; | |
| 13 | |
| 14 protected double [] kms; | |
| 15 protected double [] ws; | |
| 16 | |
| 17 protected QRangeTree qs; | |
| 18 | |
| 19 public FixingsColumn() { | |
| 20 } | |
| 21 | |
| 22 public FixingsColumn( | |
| 23 int columnId, | |
| 24 double [] kms, | |
| 25 double [] ws | |
| 26 ) { | |
| 27 this.columnId = columnId; | |
| 28 this.kms = kms; | |
| 29 this.ws = ws; | |
| 30 } | |
| 31 | |
| 32 public int getColumnId() { | |
| 33 return columnId; | |
| 34 } | |
| 35 | |
| 36 public double getW(double km) { | |
| 37 | |
| 38 if (km < kms[0] || km > kms[kms.length-1]) { | |
| 39 return Double.NaN; | |
| 40 } | |
| 41 | |
| 42 int idx = Arrays.binarySearch(kms, km); | |
| 43 | |
| 44 if (idx >= 0) return ws[idx]; | |
| 45 | |
| 46 idx = -idx - 1; | |
| 47 | |
| 48 return Linear.linear(km, kms[idx], kms[idx+1], ws[idx], ws[idx+1]); | |
| 49 } | |
| 50 | |
| 51 public double getQ(double km) { | |
| 52 return qs.findQ(km); | |
| 53 } | |
| 54 } | |
| 55 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |