Mercurial > dive4elements > river
diff artifacts/src/main/java/org/dive4elements/river/artifacts/model/W.java @ 5838:5aa05a7a34b7
Rename modules to more fitting names.
author | Sascha L. Teichmann <teichmann@intevation.de> |
---|---|
date | Thu, 25 Apr 2013 15:23:37 +0200 |
parents | flys-artifacts/src/main/java/org/dive4elements/river/artifacts/model/W.java@bd047b71ab37 |
children | 4897a58c8746 |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/model/W.java Thu Apr 25 15:23:37 2013 +0200 @@ -0,0 +1,124 @@ +package org.dive4elements.river.artifacts.model; + +import org.dive4elements.river.utils.DataUtil; +import org.dive4elements.river.utils.DoubleUtil; + +import gnu.trove.TDoubleArrayList; + +import org.apache.log4j.Logger; + +public class W +extends NamedObjectImpl +{ + private static Logger log = Logger.getLogger(W.class); + + protected TDoubleArrayList ws; + + public W() { + ws = new TDoubleArrayList(); + } + + public W(String name) { + super(name); + ws = new TDoubleArrayList(); + } + + public W(int capacity) { + this(capacity, ""); + } + + public W(int capacity, String name) { + super(name); + ws = new TDoubleArrayList(capacity); + } + + public void add(double value) { + ws.add(value); + } + + public int size() { + return ws.size(); + } + + public double getW(int idx) { + return ws.getQuick(idx); + } + + public double [] getWs() { + return ws.toNativeArray(); + } + + public double [] get(int idx) { + return get(idx, new double [1]); + } + + public double [] get(int idx, double [] dst) { + dst[0] = ws.getQuick(idx); + return dst; + } + + public double minWs() { + return ws.min(); + } + + public void removeNaNs() { + DoubleUtil.removeNaNs(new TDoubleArrayList [] { ws }); + } + + public boolean guessWaterIncreasing() { + return guessWaterIncreasing(0.05f); + } + + public boolean guessWaterIncreasing(float factor) { + return DataUtil.guessWaterIncreasing(ws, factor); + } + + public int [] longestIncreasingWRangeIndices() { + return longestIncreasingWRangeIndices(new int[2]); + } + + public int [] longestIncreasingWRangeIndices(int [] bounds) { + + int N = size(); + int start = 0; + int stop = 0; + + double lastW = Double.MAX_VALUE; + + for (int i = 0; i < N; ++i) { + double v = ws.getQuick(i); + if (v <= lastW) { + if (stop-start > bounds[1]-bounds[0]) { + bounds[0] = start; + bounds[1] = stop; + if (log.isDebugEnabled()) { + log.debug("new range: " + + bounds[0] + " - " + bounds[1] + " (" + + ws.getQuick(bounds[0]) + ", " + + ws.getQuick(bounds[1]) + ")"); + + } + } + start = stop = i; + } + else { + stop = i; + } + lastW = v; + } + + if (stop-start > bounds[1]-bounds[0]) { + bounds[0] = start; + bounds[1] = stop; + if (log.isDebugEnabled()) { + log.debug("new range @end: " + + bounds[0] + " - " + bounds[1] + " (" + + ws.getQuick(bounds[0]) + ", " + + ws.getQuick(bounds[1]) + ")"); + } + } + + return bounds; + } +} +// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :