Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/exports/process/QOutProcessor.java @ 7076:7f600001c807 generator-refactoring
Add LTR inversion code to diagram generator.
This code is used in serveral diagrams and as it modifies a
whole diagram it should be central. (This should also make
maintenance easier). This function can be called by processors
to make sure that their data is plotted with an LTR waterflow.
author | Andre Heinecke <aheinecke@intevation.de> |
---|---|
date | Fri, 20 Sep 2013 16:33:22 +0200 |
parents | 253d80af5b7f |
children | 3c4efd4b2c19 |
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.exports.process; import org.apache.log4j.Logger; import org.jfree.data.xy.XYSeries; import org.dive4elements.artifactdatabase.state.ArtifactAndFacet; import org.dive4elements.artifacts.CallContext; import org.dive4elements.river.artifacts.model.FacetTypes; import org.dive4elements.river.artifacts.model.WKms; import org.dive4elements.river.artifacts.model.WQKms; import org.dive4elements.river.exports.StyledSeriesBuilder; import org.dive4elements.river.exports.XYChartGenerator; import org.dive4elements.river.exports.DiagramGenerator; import org.dive4elements.river.jfree.StyledXYSeries; import org.dive4elements.river.themes.ThemeDocument; import org.dive4elements.river.utils.DataUtil; /** * Add data to chart/generator. * * @author <a href="mailto:bjoern.ricks@intevation.de">Björn Ricks</a> */ public class QOutProcessor extends DefaultProcessor { /** Private logger. */ private static final Logger logger = Logger.getLogger(QOutProcessor.class); @Override public void doOut( DiagramGenerator generator, ArtifactAndFacet bundle, ThemeDocument theme, boolean visible) { CallContext context = generator.getCallContext(); WQKms wqkms = (WQKms) bundle.getData(context); XYSeries series = new StyledXYSeries(bundle.getFacetDescription(), theme); StyledSeriesBuilder.addStepPointsKmQ(series, wqkms); generator.addAxisSeries(series, axisName, visible); generator.handleLTRWaterFlowInversion(wqkms); } @Override public void doOut( XYChartGenerator generator, ArtifactAndFacet bundle, ThemeDocument theme, boolean visible, int index) { CallContext context = generator.getCallContext(); WQKms wqkms = (WQKms) bundle.getData(context); XYSeries series = new StyledXYSeries(bundle.getFacetDescription(), theme); StyledSeriesBuilder.addStepPointsKmQ(series, wqkms); generator.addAxisSeries(series, index, visible); invertAxis(generator, wqkms); } /** * Returns true if facettype is q-type. */ @Override public boolean canHandle(String facetType) { if (facetType == null) { return false; } if (facetType.equals(FacetTypes.STATIC_WQKMS_Q) || facetType.equals(FacetTypes.LONGITUDINAL_Q) || facetType.equals(FacetTypes.DISCHARGE_LONGITUDINAL_Q)) { return true; } return false; } /** * This method determines - taking JFreeCharts auto x value ordering into * account - if the x axis need to be inverted. Waterlines in these charts * should decrease. * * @param generator the generator to invert the axis or not. * @param wkms The data object that stores the x and y values used for this * chart. */ public void invertAxis(XYChartGenerator generator, WKms wkms) { boolean wsUp = wkms.guessWaterIncreasing(); boolean kmUp = DataUtil.guessWaterIncreasing(wkms.allKms()); int size = wkms.size(); boolean inv = ((wsUp && kmUp) || (!wsUp && !kmUp)) && size > 1; if (logger.isDebugEnabled()) { logger.debug("(Wkms)Values : " + size); if (size > 0) { logger.debug("Start km: " + wkms.getKm(0)); logger.debug("End km: " + wkms.getKm(size-1)); } logger.debug("wsUp: " + wsUp); logger.debug("kmUp: " + kmUp); if (size == 1) { logger.debug("InvertAxis not inverting because we have just one km"); } logger.debug("inv: " + inv); } generator.setInverted(inv); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :