--- a/flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/WstValueTable.java	Mon Feb 06 13:20:00 2012 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/WstValueTable.java	Mon Feb 06 13:53:49 2012 +0000
@@ -948,21 +948,23 @@
 
         double [] ws1 = new double[numSamples];
         double [] ws2 = new double[numSamples];
+        double [] qs1 = new double[numSamples];
+        double [] qs2 = new double[numSamples];
 
         Arrays.fill(ws1, Double.NaN);
         Arrays.fill(ws2, Double.NaN);
+        Arrays.fill(qs1, Double.NaN);
+        Arrays.fill(qs2, Double.NaN);
 
         boolean hadErrors = false;
 
         double p = 0d;
         for (int i = 0; i < numSamples; ++i, p += stepWidth) {
             try {
-                double q1 = iQ1.value(p);
-                double w1 = qW1.value(q1);
-                double q2 = iQ2.value(p);
-                double w2 = qW2.value(q2);
-                ws1[i] = w1;
-                ws2[i] = w2;
+                qs1[i] = iQ1.value(p);
+                ws1[i] = qW1.value(qs1[i]);
+                qs2[i] = iQ2.value(p);
+                ws2[i] = qW2.value(qs2[i]);
             }
             catch (ArgumentOutsideDomainException aode) {
                 if (!hadErrors) {
@@ -977,7 +979,7 @@
             }
         }
 
-        return new double [][] { ws1, ws2 };
+        return new double [][] { ws1, qs1, ws2, qs2 };
     }
 
     public QPosition getQPosition(double km, double q) {