Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/FlowVelocityFacet.java @ 4655:cd44d28d0fbc
Move the access to artifact data to the Access object
Use BedHeightAccess class to receive the data from the artifact. This abstracts
the data access from the actual artifact.
author | Björn Ricks <bjoern.ricks@intevation.de> |
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date | Tue, 11 Dec 2012 09:44:04 +0100 |
parents | 63368dcc3f94 |
children | 87c938d082d6 |
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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 FlowVelocityFacet extends DataFacet { private static Logger logger = Logger.getLogger(FlowVelocityFacet.class); public FlowVelocityFacet() { // required for clone operation deepCopy() } public FlowVelocityFacet( 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() { FlowVelocityFacet copy = new FlowVelocityFacet(); 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 :