Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/model/MainValuesWFacet.java @ 8543:9a5b3079aad4
(issue1750) Take Static SQ Relations based on a range and merge them together
author | Andre Heinecke <andre.heinecke@intevation.de> |
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date | Fri, 13 Feb 2015 14:59:16 +0100 |
parents | 27d42c9ee367 |
children | 5e38e2924c07 |
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/* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde * Software engineering by Intevation GmbH * * This file is Free Software under the GNU AGPL (>=v3) * and comes with ABSOLUTELY NO WARRANTY! Check out the * documentation coming with Dive4Elements River for details. */ package org.dive4elements.river.artifacts.model; import java.util.ArrayList; import java.util.List; import org.apache.log4j.Logger; import org.dive4elements.artifacts.Artifact; import org.dive4elements.artifacts.CallContext; import org.dive4elements.artifacts.DataProvider; import org.dive4elements.artifactdatabase.state.DefaultFacet; import org.dive4elements.river.artifacts.MainValuesArtifact; import org.dive4elements.river.jfree.RiverAnnotation; import org.dive4elements.river.jfree.StickyAxisAnnotation; import org.dive4elements.river.exports.fixings.FixChartGenerator; import static org.dive4elements.river.exports.injector.InjectorConstants.PNP; /** * Facet to show Main W Values. */ public class MainValuesWFacet extends DefaultFacet implements FacetTypes { /** Own log. */ private static Logger log = Logger.getLogger(MainValuesWFacet.class); /** Trivial Constructor. */ public MainValuesWFacet(String name, String description) { this.description = description; this.name = name; this.index = 0; } /** * Set the hit-point in W 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) { float w = annotation.getPos(); Double day = wqday.interpolateDayByW(w); if (day != null) { annotation.setHitPoint(day.floatValue()); } else if (log.isDebugEnabled()) { log.debug("StickyAnnotation does not hit wqday curve: " + w); } } /** * Returns the data this facet provides. * * @param artifact the owner artifact. * @param context the CallContext (can be used to find out if in * navigable fixation-setting, or durationcurve). * * @return the data. */ @Override public Object getData(Artifact artifact, CallContext context) { MainValuesArtifact mvArtifact = (MainValuesArtifact) artifact; List<NamedDouble> ws = mvArtifact.getMainValuesW( context.getContextValue(PNP)); List<StickyAxisAnnotation> xy = new ArrayList<StickyAxisAnnotation>(); // Find whether a duration curve is on the blackboard. WQDay wqdays = null; List<DataProvider> providers = context. getDataProvider(DurationCurveFacet.BB_DURATIONCURVE); if (providers.size() < 1) { // Do we have a current km in context? // If so, we are likely fetching data for a navigable // diagram (i.e. in fixation branch). Object xkm = context.getContextValue(FixChartGenerator.CURRENT_KM); if (xkm != null) { Double ckm = (Double)xkm; // Return linearly interpolated values. Always in m, as // cm over datum ist represented by a second axis. ws = mvArtifact.getMainValuesW( new double[] {ckm}, context.getContextValue(PNP) ); } } else { wqdays = (WQDay) providers.get(0).provideData( DurationCurveFacet.BB_DURATIONCURVE, null, context); } for (NamedDouble w: ws) { if (Double.isNaN(w.getValue())) { log.warn("NaN MainValue " + w.getName()); continue; } StickyAxisAnnotation annotation = new StickyAxisAnnotation( w.getName(), (float) w.getValue(), StickyAxisAnnotation.SimpleAxis.Y_AXIS); xy.add(annotation); if (wqdays != null) { setHitPoint(wqdays, annotation); } } return new RiverAnnotation(description, xy); } /** * Create a deep copy of this Facet. * @return a deep copy. */ @Override public MainValuesWFacet deepCopy() { MainValuesWFacet copy = new MainValuesWFacet(this.name, description); copy.set(this); return copy; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :