Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/sq/SQOutlierCurveFacet.java @ 4241:49cb65d5932d
Improved the historical discharge calculation.
The calculation now creates new HistoricalWQKms (new subclass of WQKms). Those WQKms are used
to create new facets from (new) type 'HistoricalDischargeCurveFacet'. The chart generator is
improved to support those facets.
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Wed, 24 Oct 2012 14:34:35 +0200 |
parents | 1df6984628c3 |
children |
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package de.intevation.flys.artifacts.model.sq; 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.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; import org.apache.log4j.Logger; public class SQOutlierCurveFacet extends DataFacet implements FacetTypes { private static final Logger log = Logger.getLogger(SQOutlierCurveFacet.class); public static final String FUNCTION = "sq-pow"; public static final int BITMASK_ITERATION = (1 << 16) - 1; private int fractionIdx; public SQOutlierCurveFacet() { } public SQOutlierCurveFacet( 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("SQOutlierCurveFacet.getData"); if (!(artifact instanceof FLYSArtifact)) { return null; } FLYSArtifact flys = (FLYSArtifact) artifact; CalculationResult res = (CalculationResult) flys.compute( context, ComputeType.ADVANCE, false); int idx = this.index >> 16; int iter = this.index & BITMASK_ITERATION; SQResult[] results = (SQResult[]) res.getData(); SQFractionResult result = results[idx].getFraction(fractionIdx); Parameters params = result.getParameters(iter); if (params == null) { 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; i < paramNames.length; 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 Facet deepCopy() { SQOutlierCurveFacet copy = new SQOutlierCurveFacet(); copy.set(this); return copy; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :