Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/sq/SQCurveFacet.java @ 3215:750e98fc8b76
FixA: Tweaked the derivate diagram a bit and added chart info.
flys-artifacts/trunk@4838 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Fri, 29 Jun 2012 15:40:43 +0000 |
parents | 9592b7d76633 |
children | 8af1111af180 |
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package de.intevation.flys.artifacts.model.sq; import org.apache.log4j.Logger; import de.intevation.artifacts.Artifact; import de.intevation.artifacts.CallContext; import de.intevation.flys.artifacts.FLYSArtifact; import de.intevation.flys.artifacts.math.fitting.Function; import de.intevation.flys.artifacts.math.fitting.FunctionFactory; import de.intevation.flys.artifacts.model.CalculationResult; import de.intevation.flys.artifacts.model.DataFacet; import de.intevation.flys.artifacts.model.FacetTypes; import de.intevation.flys.artifacts.model.Parameters; import de.intevation.flys.artifacts.states.DefaultState.ComputeType; /** * Facet to show the curve in a sq relation. * * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> */ public class SQCurveFacet extends DataFacet implements FacetTypes { private static final Logger log = Logger.getLogger(SQCurveFacet.class); public static final String FUNCTION = "sq-pow"; private int fractionIdx; public SQCurveFacet() { } public SQCurveFacet( int idx, int fractionIdx, String name, String description, String hash, String stateId ) { super(idx, name, description, ComputeType.ADVANCE, hash, stateId); this.fractionIdx = fractionIdx; } @Override public Object getData(Artifact artifact, CallContext context) { log.debug("SQCurveFacet.getData"); if (artifact instanceof FLYSArtifact) { FLYSArtifact flys = (FLYSArtifact) artifact; CalculationResult res = (CalculationResult) flys.compute( context, ComputeType.ADVANCE, false); SQResult[] results = (SQResult[]) res.getData(); SQFractionResult result = results[index].getFraction(fractionIdx); Function func = FunctionFactory.getInstance().getFunction(FUNCTION); String[] paramNames = func.getParameterNames(); Parameters params = result.getParameters(); double[] coeffs = params.get(0, paramNames); if (log.isDebugEnabled()) { for (int i = 0, N = paramNames.length; i < N; i++) { log.debug("retrieved parameter " + paramNames[i] + " = " + coeffs[i]); } } de.intevation.flys.artifacts.math.Function mf = func.instantiate(coeffs); return new SQFunction(mf, result.getMinQ(), result.getMaxQ()); } return null; } @Override public SQCurveFacet deepCopy() { SQCurveFacet copy = new SQCurveFacet(); copy.set(this); return copy; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :