ingo@359: package de.intevation.flys.exports;
ingo@359: 
ingo@359: import org.apache.log4j.Logger;
ingo@359: 
ingo@375: import org.jfree.chart.JFreeChart;
ingo@375: import org.jfree.chart.axis.NumberAxis;
ingo@375: import org.jfree.chart.plot.XYPlot;
ingo@369: import org.jfree.data.xy.XYSeries;
ingo@369: import org.jfree.data.xy.XYSeriesCollection;
ingo@364: 
ingo@359: import org.w3c.dom.Document;
ingo@359: 
ingo@359: import de.intevation.artifacts.Artifact;
ingo@359: 
ingo@364: import de.intevation.flys.artifacts.WINFOArtifact;
ingo@364: import de.intevation.flys.artifacts.model.WQKms;
ingo@364: 
ingo@359: 
ingo@359: /**
ingo@359:  * An OutGenerator that generates discharge curves.
ingo@359:  *
ingo@359:  * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
ingo@359:  */
ingo@369: public class LongitudinalSectionGenerator extends XYChartGenerator {
ingo@359: 
ingo@359:     /** The logger that is used in this generator.*/
ingo@359:     private static Logger logger =
ingo@359:         Logger.getLogger(LongitudinalSectionGenerator.class);
ingo@359: 
ingo@359: 
ingo@369:     public static final String LONGITUDINAL_SECTION_W =
ingo@369:         "longitudinal_section.w";
ingo@369: 
ingo@369:     public static final String LONGITUDINAL_SECTION_Q =
ingo@369:         "longitudinal_section.q";
ingo@369: 
ingo@369: 
ingo@375:     /** The storage for the W series to be drawn in this chart.*/
ingo@375:     protected XYSeriesCollection w;
ingo@375: 
ingo@375:     /** The storage for the Q series to be drawn in this chart.*/
ingo@375:     protected XYSeriesCollection q;
ingo@364: 
ingo@364: 
ingo@359:     public LongitudinalSectionGenerator() {
ingo@359:         super();
ingo@364: 
ingo@375:         this.w = new XYSeriesCollection();
ingo@375:         this.q = new XYSeriesCollection();
ingo@369:     }
ingo@369: 
ingo@369: 
ingo@369:     protected String getChartTitle() {
ingo@369:         // TODO i18n
ingo@369:         return "Wasserstand für Gewässer";
ingo@369:     }
ingo@369: 
ingo@369: 
ingo@369:     protected String getXAxisLabel() {
ingo@369:         return "km";
ingo@369:     }
ingo@369: 
ingo@369: 
ingo@369:     protected String getYAxisLabel() {
ingo@369:         return "W [NN + m]";
ingo@369:     }
ingo@369: 
ingo@369: 
ingo@375:     protected void addDatasets(JFreeChart chart) {
ingo@375:         XYPlot plot = (XYPlot) chart.getPlot();
ingo@375: 
ingo@375:         plot.setDataset(0, w);
ingo@375:         plot.setDataset(1, q);
ingo@375:     }
ingo@375: 
ingo@375: 
ingo@375:     protected void adjustAxes(XYPlot plot) {
ingo@375:         super.adjustAxes(plot);
ingo@375: 
ingo@375:         NumberAxis qAxis = new NumberAxis("Q [m³/s]");
ingo@375: 
ingo@375:         plot.setRangeAxis(2, qAxis);
ingo@375:         plot.mapDatasetToRangeAxis(1, 2);
ingo@359:     }
ingo@359: 
ingo@359: 
ingo@364:     public void doOut(Artifact artifact, String facet, Document attr) {
ingo@364:         logger.debug("LongitudinalSectionGenerator.doOut: " + facet);
ingo@359: 
ingo@369:         if (facet == null) {
ingo@369:             logger.error("No facet name for doOut(). No output generated!");
ingo@369:             return;
ingo@369:         }
ingo@369: 
ingo@369:         if (facet.equals(LONGITUDINAL_SECTION_W)) {
ingo@369:             doWOut(getWaterlevelData(artifact));
ingo@369:         }
ingo@369:         else if (facet.equals(LONGITUDINAL_SECTION_Q)) {
ingo@369:             doQOut(getWaterlevelData(artifact));
ingo@369:         }
ingo@369:         else {
ingo@369:             logger.warn("Unknown facet name: " + facet);
ingo@369:             return;
ingo@369:         }
ingo@369:     }
ingo@369: 
ingo@369: 
ingo@369:     /**
ingo@369:      * Returns the waterlevel data computed by the WINFOArtifact.
ingo@369:      *
ingo@369:      * @param artifact The WINFOArtifact.
ingo@369:      *
ingo@369:      * @return the computed waterlevel data.
ingo@369:      */
ingo@369:     protected WQKms[] getWaterlevelData(Artifact artifact) {
ingo@364:         WINFOArtifact winfoArtifact = (WINFOArtifact) artifact;
ingo@364:         WQKms[]       wqkms         = winfoArtifact.getWaterlevelData();
ingo@364: 
ingo@364:         logger.debug("Got " + wqkms.length + " WQKms objects.");
ingo@369: 
ingo@369:         return wqkms;
ingo@359:     }
ingo@359: 
ingo@359: 
ingo@369:     /**
ingo@369:      * Process the output for W facets in a longitudinal section curve.
ingo@369:      *
ingo@369:      * @param wqkms An array of WQKms values.
ingo@369:      */
ingo@369:     protected void doWOut(WQKms[] wqkms) {
ingo@369:         logger.debug("LongitudinalSectionGenerator.doWOut");
ingo@359: 
ingo@369:         int idx = 0;
ingo@369:         for (WQKms tmp: wqkms) {
ingo@369:             XYSeries series = new XYSeries(getSeriesName(tmp, "w", idx++));
ingo@369: 
ingo@369:             double[] target = new double[3];
ingo@369:             int      size   = tmp.size();
ingo@369: 
ingo@369:             if (logger.isDebugEnabled()) {
ingo@369:                 logger.debug("Generate series: " + series.getKey());
ingo@369: 
ingo@369:                 logger.debug("Start km: " + tmp.getKms(0));
ingo@369:                 logger.debug("End   km: " + tmp.getKms(size-1));
ingo@369:                 logger.debug("Values  : " + size);
ingo@369:             }
ingo@369: 
ingo@369:             for (int i = 0; i < size; i++) {
ingo@369:                 target = tmp.get(i, target);
ingo@369: 
ingo@369:                 logger.debug("++ W Tuple: " + target[2] + " -> " + target[0]);
ingo@369:                 series.add(target[2], target[0]);
ingo@369:             }
ingo@369: 
ingo@375:             w.addSeries(series);
ingo@369:         }
ingo@369:     }
ingo@369: 
ingo@369: 
ingo@369:     /**
ingo@369:      * Process the output for Q facets in a longitudinal section curve.
ingo@369:      *
ingo@369:      * @param wqkms An array of WQKms values.
ingo@369:      */
ingo@369:     protected void doQOut(WQKms[] wqkms) {
ingo@369:         logger.debug("LongitudinalSectionGenerator.doQOut");
ingo@369: 
ingo@369:         int idx = 0;
ingo@369:         for (WQKms tmp: wqkms) {
ingo@369:             XYSeries series = new XYSeries(getSeriesName(tmp, "Q", idx++));
ingo@369: 
ingo@369:             double[] target = new double[3];
ingo@369:             int      size   = tmp.size();
ingo@369: 
ingo@369:             if (logger.isDebugEnabled()) {
ingo@369:                 logger.debug("Generate series: " + series.getKey());
ingo@369: 
ingo@369:                 logger.debug("Start km: " + tmp.getKms(0));
ingo@369:                 logger.debug("End   km: " + tmp.getKms(size-1));
ingo@369:                 logger.debug("Values  : " + size);
ingo@369:             }
ingo@369: 
ingo@369:             for (int i = 0; i < size; i++) {
ingo@369:                 target = tmp.get(i, target);
ingo@369: 
ingo@369:                 logger.debug("++ Q Tuple: " + target[2] + " -> " + target[1]);
ingo@369:                 series.add(target[2], target[1]);
ingo@369:             }
ingo@369: 
ingo@375:             q.addSeries(series);
ingo@369:         }
ingo@369:     }
ingo@369: 
ingo@369: 
ingo@369:     protected String getSeriesName(WQKms wqkms, String prefix, int idx) {
ingo@369:         return prefix + "-" + idx;
ingo@359:     }
ingo@359: }
ingo@359: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :