Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/MainValuesQFacet.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 | 35a6c9a49a76 |
children |
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package de.intevation.flys.artifacts.model; import java.util.ArrayList; import java.util.List; import org.apache.log4j.Logger; import de.intevation.artifacts.Artifact; import de.intevation.artifacts.CallContext; import de.intevation.artifacts.DataProvider; import de.intevation.artifactdatabase.state.DefaultFacet; import de.intevation.flys.artifacts.MainValuesArtifact; import de.intevation.flys.artifacts.math.Linear; import de.intevation.flys.jfree.FLYSAnnotation; import de.intevation.flys.jfree.StickyAxisAnnotation; import de.intevation.flys.exports.DurationCurveGenerator; /** * Facet to show Main Q Values. * TODO Join with W implementation. */ public class MainValuesQFacet extends DefaultFacet implements FacetTypes { /** Own logger. */ private static Logger logger = Logger.getLogger(MainValuesQFacet.class); /** Do we want MainValues at Gauge (not interpolated)? */ protected boolean isAtGauge; /** Trivial Constructor. */ public MainValuesQFacet(String name, String description, boolean atGauge) { this.description = description; this.name = name; this.index = 0; this.isAtGauge = atGauge; } /** * Set the hit-point in Q where a line drawn from the axis would hit the * curve in WQDay (if hit). * Employ linear interpolation. */ protected static void setHitPoint(WQDay wqday, StickyAxisAnnotation annotation) { int idx = 0; float q = annotation.getPos(); boolean qIncreases = wqday.getQ(0) < wqday.getQ(wqday.size()-1); if (qIncreases) { while (idx < wqday.size() && wqday.getQ(idx) < q) { idx++; } } else { idx = wqday.size() -1; while (idx > 0 && wqday.getQ(idx) > q) { idx--; } } double day = 0d; int mod = (qIncreases) ? -1 : +1; if (idx != 0 && idx <= wqday.size()-1) { day = Linear.linear(q, wqday.getQ(idx +mod), wqday.getQ(idx), wqday.getDay(idx+mod), wqday.getDay(idx)); annotation.setHitPoint((float)day); } else { logger.debug("StickyAnnotation does not hit wqday curve"); } } /** * Returns the data this facet requires. * * @param artifact the owner artifact. * @param context the CallContext (ignored). * * @return the data. */ @Override public Object getData(Artifact artifact, CallContext context) { MainValuesArtifact mvArtifact = (MainValuesArtifact) artifact; List<NamedDouble> qs = mvArtifact.getMainValuesQ(isAtGauge); List<StickyAxisAnnotation> xy = new ArrayList<StickyAxisAnnotation>(); WQDay wqdays = null; List<DataProvider> providers = context. getDataProvider(DurationCurveFacet.BB_DURATIONCURVE); if (providers.size() < 1) { logger.warn("Could not find durationcurve data provider."); } else { wqdays = (WQDay) providers.get(0).provideData( DurationCurveFacet.BB_DURATIONCURVE, null, context); } // Rather specific case, Q-Annotations at a maybe second yaxis. StickyAxisAnnotation annotation = null; if (this.name.equals(DURATION_MAINVALUES_Q)) { for (NamedDouble q: qs) { annotation = new StickyAxisAnnotation( q.getName(), (float) q.getValue(), StickyAxisAnnotation.SimpleAxis.Y_AXIS, DurationCurveGenerator.YAXIS.Q.idx); xy.add(annotation); if (wqdays != null) { setHitPoint(wqdays, annotation); } } } else { for (NamedDouble q: qs) { annotation = new StickyAxisAnnotation( q.getName(), (float) q.getValue(), StickyAxisAnnotation.SimpleAxis.X_AXIS); xy.add(annotation); if (wqdays != null) { setHitPoint(wqdays, annotation); } } } return new FLYSAnnotation(description, xy); } /** * Create a deep copy of this Facet. * @return a deep copy. */ @Override public MainValuesQFacet deepCopy() { MainValuesQFacet copy = new MainValuesQFacet(this.name, description, this.isAtGauge); copy.set(this); return copy; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :