Mercurial > dive4elements > river
diff flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/FlowVelocityFilterFacet.java @ 4668:87c938d082d6
Added facet for filtered flow velocity and removed filter from default facet.
author | Raimund Renkert <rrenkert@intevation.de> |
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date | Thu, 13 Dec 2012 15:54:49 +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/model/FlowVelocityFilterFacet.java Thu Dec 13 15:54:49 2012 +0100 @@ -0,0 +1,90 @@ +package de.intevation.flys.artifacts.model; + +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.access.RiverAccess; +import de.intevation.flys.artifacts.context.FLYSContext; + +import de.intevation.flys.artifacts.math.MovingAverage; +import de.intevation.flys.artifacts.states.DefaultState.ComputeType; + +import org.apache.log4j.Logger; + +/** + * Facet of a FlowVelocity curve. + */ +public class FlowVelocityFilterFacet extends DataFacet { + + private static Logger logger = Logger.getLogger(FlowVelocityFilterFacet.class); + + public FlowVelocityFilterFacet() { + // required for clone operation deepCopy() + } + + + public FlowVelocityFilterFacet( + int idx, + String name, + String description, + ComputeType type, + String stateId, + String hash + ) { + super(idx, name, description, type, hash, stateId); + } + + + public Object getData(Artifact artifact, CallContext context) { + logger.debug("Get data for flow velocity at index: " + index); + + Double start = (Double)context.getContextValue("startkm"); + Double end = (Double)context.getContextValue("endkm"); + FLYSArtifact flys = (FLYSArtifact) artifact; + + CalculationResult res = (CalculationResult) + flys.compute(context, hash, stateId, type, false); + + FlowVelocityData[] data = (FlowVelocityData[]) res.getData(); + if(start != null && end != null) { + FLYSContext fc = (FLYSContext)context.globalContext(); + ZoomScale scales = (ZoomScale)fc.get("zoomscale"); + RiverAccess access = new RiverAccess((FLYSArtifact)artifact); + String river = access.getRiver(); + + double radius = scales.getRadius(river, start, end); + FlowVelocityData oldData = data[index]; + FlowVelocityData newData = new FlowVelocityData(); + double[][] q = oldData.getQPoints(); + double[][] totalV = MovingAverage.weighted(oldData.getTotalChannelPoints(), radius); + double[][] mainV = MovingAverage.weighted(oldData.getMainChannelPoints(), radius); + double[][] tau = MovingAverage.weighted(oldData.getTauPoints(), radius); + for(int j = 0; j < q[0].length; j++) { + newData.addKM(q[0][j]); + newData.addQ(q[1][j]); + newData.addTauMain(tau[1][j]); + newData.addVMain(mainV[1][j]); + newData.addVTotal(totalV[1][j]); + } + return newData; + } + return data[index]; + } + + + /** Copy deeply. */ + @Override + public Facet deepCopy() { + FlowVelocityFilterFacet copy = new FlowVelocityFilterFacet(); + copy.set(this); + copy.type = type; + copy.hash = hash; + copy.stateId = stateId; + return copy; + } +} +// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :