Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/model/fixings/FixDerivateFacet.java @ 6533:30c6da3bfc86
In analogy to w values allow q values to be calculated at the
correct km in fix settings (bug spotted while working on issue1370).
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Wed, 03 Jul 2013 09:34:02 +0200 |
parents | a0078e5e3b39 |
children | e4606eae8ea5 |
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/* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde * Software engineering by Intevation GmbH * * This file is Free Software under the GNU AGPL (>=v3) * and comes with ABSOLUTELY NO WARRANTY! Check out the * documentation coming with Dive4Elements River for details. */ package org.dive4elements.river.artifacts.model.fixings; import org.dive4elements.artifacts.Artifact; import org.dive4elements.artifacts.CallContext; import org.dive4elements.river.artifacts.D4EArtifact; import org.dive4elements.river.artifacts.access.FixAnalysisAccess; import org.dive4elements.river.artifacts.math.fitting.Function; import org.dive4elements.river.artifacts.math.fitting.FunctionFactory; import org.dive4elements.river.artifacts.model.CalculationResult; import org.dive4elements.river.artifacts.model.FacetTypes; import org.dive4elements.river.artifacts.model.Parameters; import org.dive4elements.river.artifacts.states.DefaultState.ComputeType; import org.apache.log4j.Logger; /** * Facet to show the W|Q values. * * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a> */ public class FixDerivateFacet extends FixingsFacet implements FacetTypes { /** House logger. */ private static Logger logger = Logger.getLogger(FixDerivateFacet.class); /** Trivial Constructor. */ public FixDerivateFacet() { } /** * @param name */ public FixDerivateFacet(String name, String description) { super(0, name, description, ComputeType.ADVANCE, null, null); } public FixDerivateFacet(int index, String name, String description) { super(index, name, description, ComputeType.ADVANCE, null, null); } /** * Returns the data this facet requires. * * @param artifact the owner artifact. * @param context the CallContext (ignored). * * @return the data. */ @Override public Object getData(Artifact artifact, CallContext context) { logger.debug("FixDerivateFacet.getData"); if (!(artifact instanceof D4EArtifact)) { logger.debug("Not an instance of FixationArtifact."); return null; } D4EArtifact flys = (D4EArtifact)artifact; FixAnalysisAccess access = new FixAnalysisAccess(flys); CalculationResult res = (CalculationResult) flys.compute(context, ComputeType.ADVANCE, false); FixAnalysisResult result = (FixAnalysisResult) res.getData(); double currentKm = getCurrentKm(context); String function = access.getFunction(); Function ff = FunctionFactory.getInstance().getFunction(function); Function.Derivative fd = ff.getDerivative(); Parameters params = result.getParameters(); double maxQ = FixFacetUtils.getMaxQ(params, currentKm); String[] paramNames = ff.getParameterNames(); double[] coeffs = params.interpolate("km", currentKm, paramNames); if (coeffs == null) { logger.warn("getData: coeffs == null"); return null; } org.dive4elements.river.artifacts.math.Function mf = fd.instantiate(coeffs); FixFunction fix = new FixFunction( "", fd.getDescription(), mf, maxQ); return fix; } /** * Create a deep copy of this Facet. * @return a deep copy. */ @Override public FixDerivateFacet deepCopy() { FixDerivateFacet copy = new FixDerivateFacet(); copy.set(this); return copy; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :