Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/GaugeDischargeCurveFacet.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 | 21f4e4b79121 |
children | 5d19a291bd9f |
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package de.intevation.flys.artifacts.model; import java.util.Arrays; import java.util.Map; import de.intevation.artifacts.Artifact; import de.intevation.artifacts.CallContext; import de.intevation.artifactdatabase.state.DefaultFacet; import de.intevation.artifactdatabase.state.Facet; import de.intevation.flys.artifacts.FLYSArtifact; import de.intevation.flys.model.Gauge; import de.intevation.flys.utils.FLYSUtils; import org.apache.log4j.Logger; /** * A Facet that returns discharge curve data at a gauge * * @author <a href="mailto:bjoern.ricks@intevation.de">Björn Ricks</a> */ public class GaugeDischargeCurveFacet extends DefaultFacet implements FacetTypes { private static final Logger log = Logger.getLogger(GaugeDischargeCurveFacet.class); public GaugeDischargeCurveFacet(String name, String description) { super(0, name, description); } @Override public Object getData(Artifact art, CallContext context) { if (!(art instanceof FLYSArtifact)) { log.warn("Invalid artifact type"); return null; } FLYSArtifact flys = (FLYSArtifact)art; String river = flys.getDataAsString("river"); Gauge gauge = FLYSUtils.getReferenceGauge(flys); if (river == null || gauge == null) { log.warn("Unknown river or gauge"); return null; } String name = gauge.getName(); DischargeTables dt = new DischargeTables(river, name); Map<String, double [][]> map = dt.getValues(100d); double [][] values = map.get(name); if (values == null) { return null; } double [] kms = new double[values[0].length]; Arrays.fill(kms, gauge.getStation().doubleValue()); return new WQKms(kms, values[0], values[1], name); } @Override public Facet deepCopy() { GaugeDischargeCurveFacet copy = new GaugeDischargeCurveFacet( this.name, this.description); copy.set(this); return copy; } }