--- a/artifacts/src/main/java/org/dive4elements/river/exports/DischargeCurveGenerator.java	Fri Dec 13 17:44:57 2013 +0100
+++ b/artifacts/src/main/java/org/dive4elements/river/exports/DischargeCurveGenerator.java	Fri Dec 13 19:03:00 2013 +0100
@@ -18,6 +18,7 @@
 import org.dive4elements.river.exports.process.DischargeProcessor;
 import org.dive4elements.river.jfree.CollisionFreeXYTextAnnotation;
 import org.dive4elements.river.jfree.Bounds;
+import org.dive4elements.river.jfree.DoubleBounds;
 import org.dive4elements.river.jfree.RiverAnnotation;
 import org.dive4elements.river.jfree.StickyAxisAnnotation;
 import org.dive4elements.river.jfree.StyledXYSeries;
@@ -109,9 +110,51 @@
         if (getCurrentGaugeDatum() != 0d) {
             // Show the W[*m] axis even if there is no data.
             plot.setRangeAxis(1, createYAxis(YAXIS.W.idx));
+            syncWAxisRanges();
         }
     }
 
+    protected void syncWAxisRanges() {
+        // Syncronizes the ranges of both W Axes to make sure
+        // that the Data matches for both axes.
+        Bounds boundsInMGauge = getYBounds(YAXIS.W.idx);
+        Bounds boundsInCM = getYBounds(YAXIS.WCm.idx);
+
+        // XXX Q-Symetry: I am assuming here that there can only
+        // be a fixed Range for WinM as this is currently the only
+        // thing that is configureable.
+        Range fixedWinMRange = getRangeForAxisFromSettings(
+                getYAxisWalker().getId(YAXIS.W.idx));
+
+        // The combination of Range and Bounds is crazy..
+        if (fixedWinMRange != null) {
+            boundsInMGauge = new DoubleBounds(fixedWinMRange.getLowerBound(),
+                    fixedWinMRange.getUpperBound());
+        }
+
+        logger.debug("Syncing Axis Bounds. Bounds W: " + boundsInMGauge.toString() +
+                " Bounds Wcm: " + boundsInCM.toString());
+
+        double datum = getCurrentGaugeDatum();
+
+        // Convert boundsInMGauge to Datum+cm
+        double convertedLower = ((Double)boundsInMGauge.getLower() - datum) * 100;
+        double convertedUpper = ((Double)boundsInMGauge.getUpper() - datum) * 100;
+        Bounds convertedBounds = new DoubleBounds(convertedLower, convertedUpper);
+
+        // Now combine both Ranges
+        boundsInCM = boundsInCM.combine(convertedBounds);
+
+        // Recalculate absolute bounds
+        boundsInMGauge = new DoubleBounds((Double)boundsInCM.getLower() / 100d + datum,
+                                          (Double)boundsInCM.getUpper() / 100d + datum);
+
+        // Set the new combined bounds
+        setYBounds(YAXIS.W.idx, boundsInMGauge);
+        setYBounds(YAXIS.WCm.idx, boundsInCM);
+        logger.debug("Synced Bounds W: " + boundsInMGauge.toString() +
+                " Bounds Wcm: " + boundsInCM.toString());
+    }
 
     public DischargeCurveGenerator() {
         super();