Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/WW.java @ 3928:d3e2080d3ada
S(Q) relation. Extract more values from database.
flys-artifacts/trunk@5622 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
---|---|
date | Thu, 27 Sep 2012 16:31:21 +0000 |
parents | 5642a83420f2 |
children | bcf25d8c183e |
line wrap: on
line source
package de.intevation.flys.artifacts.model; import de.intevation.flys.artifacts.math.Function; import de.intevation.flys.artifacts.math.Identity; import gnu.trove.TDoubleArrayList; public class WW extends W { public static class ApplyFunctionIterator { protected Function function1; protected Function function2; protected int pos; protected WW ww; public ApplyFunctionIterator(WW ww) { this(ww, Identity.IDENTITY, Identity.IDENTITY); } public ApplyFunctionIterator( WW ww, Function function1, Function function2 ) { this.ww = ww; this.function1 = function1; this.function2 = function2; } public boolean hasNext() { return pos < ww.size(); } public int size() { return ww.size(); } public void reset() { pos = 0; } public WW getWW() { return ww; } public void get(int idx, double [] wwPair) { wwPair[0] = function1.value(ww.getW(idx)); wwPair[1] = function2.value(ww.getW2(idx)); } public void next(double [] wwPair) { get(pos++, wwPair); } } // class FunctionIterator protected TDoubleArrayList ws2; protected double startKm; protected double endKm; protected Double startDatum; protected Double endDatum; public WW() { this(""); } public WW(String name) { super(name); } public WW(int capacity) { this(capacity, ""); } public WW(int capacity, String name) { super(capacity, name); ws2 = new TDoubleArrayList(capacity); } public WW( String name, double startKm, Double startDatum, double [] ws, double endKm, Double endDatum, double [] ws2 ) { this.name = name; this.ws = new TDoubleArrayList(ws); this.ws2 = new TDoubleArrayList(ws2); this.startKm = startKm; this.startDatum = startDatum; this.endKm = endKm; this.endDatum = endDatum; } public WW(String name, TDoubleArrayList ws, TDoubleArrayList ws2) { this.name = name; this.ws = ws; this.ws2 = ws2; } public void add(double w1, double w2) { ws .add(w1); ws2.add(w2); } public double getW1(int idx) { return ws.getQuick(idx); } public double getW2(int idx) { return ws2.getQuick(idx); } public double [] getWs2() { return ws2.toNativeArray(); } @Override public double [] get(int idx) { return get(idx, new double[2]); } @Override public double [] get(int idx, double [] dst) { dst[0] = ws .getQuick(idx); dst[1] = ws2.getQuick(idx); return dst; } public double getStartKm() { return startKm; } public void setStartKm(double startKm) { this.startKm = startKm; } public double getEndKm() { return endKm; } public void setEndKm(double endKm) { this.endKm = endKm; } public Double getStartDatum() { return startDatum; } public boolean startAtGauge() { return startDatum != null; } public boolean endAtGauge() { return endDatum != null; } public void setStartDatum(Double startDatum) { this.startDatum = startDatum; } public Double getEndDatum() { return endDatum; } public void setEndDatum(Double endDatum) { this.endDatum = endDatum; } @Override public void removeNaNs() { removeNaNs(new TDoubleArrayList [] { ws, ws2 }); } public double minWs2() { return ws2.min(); } // Note that we can also easily define a Function to do so. public double getRelHeight1Cm(int idx) { if (this.startAtGauge()) { return (ws.getQuick(idx) - getStartDatum())*100d; } else return ws.getQuick(idx)*100d; } public double getRelHeight2Cm(int idx) { if (this.endAtGauge()) { return (ws2.getQuick(idx) - getEndDatum())*100d; } else return ws2.getQuick(idx)*100d; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :