Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/sq/SQCurveFacet.java @ 4187:21f4e4b79121
Refactor GaugeDischargeCurveFacet to be able to set a facet name
For adding another output of the GaugeDischargeCurveArtifact it is necessary to
provide to facet instances with different names. Therefore the
GaugeDischargeCurveFacet is extended to set the facet name in the constructor.
author | Björn Ricks <bjoern.ricks@intevation.de> |
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date | Fri, 19 Oct 2012 13:25:49 +0200 |
parents | 1df6984628c3 |
children |
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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)) { return null; } FLYSArtifact flys = (FLYSArtifact) artifact; CalculationResult res = (CalculationResult) flys.compute( context, ComputeType.ADVANCE, false); SQResult[] results = (SQResult[]) res.getData(); SQFractionResult result = results[index].getFraction(fractionIdx); Parameters params = result.getParameters(); if (params == null) { log.debug("no parameters found"); return null; } Function func = FunctionFactory.getInstance().getFunction(FUNCTION); String[] paramNames = func.getParameterNames(); 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); double [] extent = result.getQExtent(); return new SQFunction(mf, extent[0], extent[1]); } @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 :