--- a/artifacts/src/main/java/org/dive4elements/river/exports/DischargeCurveGenerator.java	Wed Jul 10 14:26:31 2013 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/exports/DischargeCurveGenerator.java	Wed Jul 10 14:49:21 2013 +0200
@@ -88,6 +88,17 @@
     }
 
 
+    /** Overriden to show second axis also if no visible data present. */
+    @Override
+    protected void adjustAxes(XYPlot plot) {
+        super.adjustAxes(plot);
+        if (getCurrentGaugeDatum() != 0d) {
+            // Show the W[*m] axis even if there is no data.
+            plot.setRangeAxis(1, createYAxis(YAXIS.W.idx));
+        }
+    }
+
+
     public DischargeCurveGenerator() {
         super();
     }