Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/WaterlevelFacet.java @ 3739:0edc05642fa4
Add new artifact service for the gauge overview
flys-artifacts/trunk@5416 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Bjoern Ricks <bjoern.ricks@intevation.de> |
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date | Mon, 10 Sep 2012 08:23:08 +0000 |
parents | deeda39ef01b |
children | de6e2b933f33 |
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package de.intevation.flys.artifacts.model; import de.intevation.artifactdatabase.state.Facet; import de.intevation.artifacts.Artifact; import de.intevation.artifacts.CallContext; import de.intevation.flys.artifacts.FLYSArtifact; import de.intevation.flys.artifacts.states.DefaultState.ComputeType; import de.intevation.flys.artifacts.math.Linear; import org.apache.log4j.Logger; /** * Facet of a Waterlevel (WQKms). */ public class WaterlevelFacet extends DataFacet { private static Logger logger = Logger.getLogger(WaterlevelFacet.class); public WaterlevelFacet(int index, String name, String description) { super(index, name, description, ComputeType.ADVANCE, null, null); } public WaterlevelFacet( int index, String name, String description, ComputeType type, String stateID, String hash ) { super(index, name, description, type, hash, stateID); } public WaterlevelFacet() { } protected WQKms [] getWQKms(CalculationResult res) { return (WQKms [])res.getData(); } /** * Get waterlevel data. * @return a WQKms at given index. */ public Object getData(Artifact artifact, CallContext context) { if (logger.isDebugEnabled()) { logger.debug("Get data for waterlevels at index: " + index + " /stateId: " + stateId); } FLYSArtifact winfo = (FLYSArtifact) artifact; CalculationResult res = (CalculationResult) winfo.compute(context, hash, stateId, type, false); if (res == null) { logger.error("WaterlevelFacet.getData: null result"); return null; } if (winfo == null) { logger.error("WaterlevelFacet.getData: artifact is null"); return null; } WQKms [] wqkms = getWQKms(res); Object KM = context.getContextValue("currentKm"); if (KM != null) { logger.debug("interpolate at given km"); // TODO handle exact match. WQKms wqkmsI = wqkms[index]; double km = (Double)KM; // TODO employ DataUtils interface to TDoubleArraList int size = wqkmsI.size(); boolean kmIncreasing = wqkmsI.getKm(0) < wqkmsI.getKm(size-1); int mod = kmIncreasing ? +1 : -1; int idx = 0; if (!kmIncreasing) { while (idx < size && wqkmsI.getKm(idx) < km) { idx++; } } else { idx = size-1; while (idx > 0 && wqkmsI.getKm(idx) > km) { idx--; } } WQKms resultWQKms = new WQKms(); if (idx != -1 && idx < size) { double inW = Linear.linear( km, wqkmsI.getKm(idx), wqkmsI.getKm(idx-mod), wqkmsI.getW(idx), wqkmsI.getW(idx-mod)); double inQ = Linear.linear( km, wqkmsI.getKm(idx), wqkmsI.getKm(idx-mod), wqkmsI.getQ(idx), wqkmsI.getQ(idx-mod)); resultWQKms.add(inW, inQ, km); } return resultWQKms; } return wqkms != null ? wqkms[index] : null; } /** Copy deeply. */ @Override public Facet deepCopy() { WaterlevelFacet copy = new WaterlevelFacet(); copy.set(this); copy.type = type; copy.hash = hash; copy.stateId = stateId; return copy; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :