--- a/artifacts/src/main/java/org/dive4elements/river/exports/MiddleBedHeightGenerator.java	Mon Aug 26 15:35:39 2013 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/exports/MiddleBedHeightGenerator.java	Tue Aug 27 11:35:37 2013 +0200
@@ -10,9 +10,12 @@
 
 import org.dive4elements.artifactdatabase.state.ArtifactAndFacet;
 import org.dive4elements.artifactdatabase.state.Facet;
+
 import org.dive4elements.river.artifacts.D4EArtifact;
 import org.dive4elements.river.artifacts.model.FacetTypes;
 import org.dive4elements.river.artifacts.model.MiddleBedHeightData;
+import org.dive4elements.river.artifacts.model.WQKms;
+
 import org.dive4elements.river.exports.process.BedheightProcessor;
 import org.dive4elements.river.exports.process.Processor;
 import org.dive4elements.river.exports.process.WOutProcessor;
@@ -35,7 +38,7 @@
 implements   FacetTypes
 {
     public enum YAXIS {
-        H(0), W(1), P(2);
+        H(0), W(1), P(2), Q(3);
         protected int idx;
         private YAXIS(int c) {
            idx = c;
@@ -73,6 +76,9 @@
     public static final String I18N_P_YAXIS_LABEL_DEFAULT  = "Gepeilte Breite [m]";
     public static final String I18N_P_YAXIS_LABEL =
         "chart.bedheight_middle.sounding.yaxis.label";
+    public static final String I18N_Q_YAXIS_LABEL_DEFAULT  = "Q [m\u00b3/s]";
+    public static final String I18N_Q_YAXIS_LABEL =
+        "chart.longitudinal.section.yaxis.second.label";
 
     @Override
     protected YAxisWalker getYAxisWalker() {
@@ -139,6 +145,9 @@
         else if (index == YAXIS.P.idx) {
             label = msg(I18N_P_YAXIS_LABEL, I18N_P_YAXIS_LABEL_DEFAULT);
         }
+        else if (index = YAXIS.Q.idx) {
+            label = msg(I18N_Q_YAXIS_LABEL, I18N_Q_YAXIS_LABEL_DEFAULT);
+        }
 
         return label;
     }
@@ -226,6 +235,13 @@
                  attr,
                  visible);
         }
+        else if (name.equals(STATIC_WQKMS_Q)) {
+            doQOut(
+                (WQKms) artifactAndFacet.getData(context),
+                artifactAndFacet,
+                attr,
+                visible);
+        }
         else if (bedp.canHandle(name)) {
             bedp.doOut(this, artifactAndFacet, attr, visible, YAXIS.P.idx);
         }
@@ -291,5 +307,39 @@
         logger.debug("FlowVelocityGenerator.doArea");
         logger.warn("TODO: Implement FlowVelocityGenerator.doArea");
     }
+
+
+    // TODO method borrowed from LongitudinalSectionGenerator.
+    // Extract in an Processor
+    /**
+     * Process the output for Q facets in a longitudinal section curve.
+     *
+     * @param wqkms An array of WQKms values.
+     * @param aandf The facet and artifact. This facet does NOT support any data objects. Use
+     * D4EArtifact.getNativeFacet() instead to retrieve a Facet which supports
+     * data.
+     * @param theme The theme that contains styling information.
+     * @param visible The visibility of the curve.
+     */
+    protected void doQOut(
+        WQKms    wqkms,
+        ArtifactAndFacet aandf,
+        ThemeDocument theme,
+        boolean  visible
+    ) {
+        logger.debug("MiddleBedHeightGenerator.doQOut");
+
+        XYSeries series = new StyledXYSeries(aandf.getFacetDescription(), theme);
+
+        StyledSeriesBuilder.addStepPointsKmQ(series, wqkms);
+
+        addAxisSeries(series, YAXIS.Q.idx, visible);
+
+        /*
+        if (needInvertAxis(wqkms)) {
+            setInverted(true);
+        }
+        */
+    }
 }
 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :