Mercurial > dive4elements > river
diff flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/sq/StaticSQRelationFacet.java @ 5501:9a14eac637ec
New Artifact and static state for sq relation.
author | Raimund Renkert <rrenkert@intevation.de> |
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date | Thu, 28 Mar 2013 15:17:02 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/sq/StaticSQRelationFacet.java Thu Mar 28 15:17:02 2013 +0100 @@ -0,0 +1,49 @@ +package de.intevation.flys.artifacts.states.sq; + +import de.intevation.artifactdatabase.state.DefaultFacet; +import de.intevation.artifactdatabase.state.Facet; +import de.intevation.artifacts.Artifact; +import de.intevation.artifacts.CallContext; +import de.intevation.flys.artifacts.math.fitting.Function; +import de.intevation.flys.artifacts.math.fitting.FunctionFactory; +import de.intevation.flys.artifacts.model.sq.SQFunction; +import de.intevation.flys.artifacts.model.sq.StaticSQRelation; + + +public class StaticSQRelationFacet +extends DefaultFacet +implements Facet +{ + public static final String FUNCTION = "sq-pow"; + + private StaticSQRelation relation; + + + public StaticSQRelationFacet( + int ndx, + String name, + String description, + StaticSQRelation relation) { + super(ndx, name, description); + this.relation = relation; + } + + @Override + public Object getData(Artifact artifact, CallContext context) { + double qmax = relation.getQmax(); + double[] coeffs = new double[] {relation.getA(), relation.getB()}; + Function func = FunctionFactory.getInstance().getFunction(FUNCTION); + de.intevation.flys.artifacts.math.Function function = + func.instantiate(coeffs); + SQFunction sqf = new SQFunction(function, 0, qmax); + return sqf; + } + + @Override + public Facet deepCopy() { + StaticSQRelationFacet copy = + new StaticSQRelationFacet(index, name, description, relation); + copy.set(this); + return copy; + } +}