Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/model/MainValuesWFacet.java @ 6965:69bf96202df4
SedimentLoadFactory: Minor simplification.
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
---|---|
date | Thu, 05 Sep 2013 15:27:56 +0200 |
parents | 5d071e1cb17c |
children | f206f6049b2b |
line wrap: on
line source
/* 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.artifacts.math.Linear; import org.dive4elements.river.jfree.RiverAnnotation; import org.dive4elements.river.jfree.StickyAxisAnnotation; import org.dive4elements.river.exports.fixings.FixChartGenerator; /** * Facet to show Main W Values. */ public class MainValuesWFacet extends DefaultFacet implements FacetTypes { /** Own logger. */ private static Logger logger = Logger.getLogger(MainValuesWFacet.class); /** Do we want MainValues at Gauge (not interpolated)? */ protected boolean isAtGauge; /** Trivial Constructor. */ public MainValuesWFacet(String name, String description, boolean atGauge) { this.description = description; this.name = name; this.index = 0; this.isAtGauge = atGauge; } /** * 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) { int idx = 0; float w = annotation.getPos(); boolean wIncreases = wqday.getW(0) < wqday.getW(wqday.size()-1); if (wIncreases) { while (idx < wqday.size() && wqday.getW(idx) < w) { idx++; } } else { idx = wqday.size() -1; while (idx > 0 && wqday.getW(idx) > w) { idx--; } } double day = 0d; int mod = (wIncreases) ? -1 : +1; if (idx != 0 && idx < wqday.size()-1-mod) { day = Linear.linear(w, wqday.getW(idx +mod), wqday.getW(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 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(isAtGauge); 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) { logger.warn("Could not find durationcurve data provider."); // Do we have a current km in context? // If so, we are likely fetching data for a navigable // diagram (i.e. in fixation branch). if (context.getContextValue(FixChartGenerator.CURRENT_KM) != null) { Double ckm = (Double) context.getContextValue(FixChartGenerator.CURRENT_KM); // Return linearly interpolated values, in m if not at gauge, // in cm over datum if at gauge. ws = mvArtifact.getMainValuesW(new double[] {ckm}); } } else { wqdays = (WQDay) providers.get(0).provideData( DurationCurveFacet.BB_DURATIONCURVE, null, context); } for (NamedDouble w: ws) { logger.debug("W Annotation at " + w.getValue() + " ("+w.getName()+")"+ wqdays); if (Double.isNaN(w.getValue())) { logger.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, this.isAtGauge); copy.set(this); return copy; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :