Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/sq/SQCurveFacet.java @ 4255:670e98f5a441
Fixed leak while merging facets.
The ThemeList that is used by OutputHelper to sort the
Facets for an Output now uses a list to store the ManagedFacets.
The correct order is made up by sorting the List using
Collections.sort() function of the Java JDK. Therfore, the
ManagedFacet class implements the Comparable interface. The
return value of its compareTo(other) method depends on the
value of the 'position' field.
author | Ingo Weinzierl <weinzierl.ingo@googlemail.com> |
---|---|
date | Thu, 25 Oct 2012 14:01:46 +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 :