# HG changeset patch
# User Sascha L. Teichmann <sascha.teichmann@intevation.de>
# Date 1309084418 0
# Node ID d9d9f67af984a3463c05f2b3229a5fd261adabff
# Parent  db68806e656310cd030121774edb6628a304a843
Fix for flys/issue86

flys-artifacts/trunk@2231 c6561f87-3c4e-4783-a992-168aeb5c3f6f

diff -r db68806e6563 -r d9d9f67af984 flys-artifacts/src/main/java/de/intevation/flys/artifacts/WINFOArtifact.java
--- a/flys-artifacts/src/main/java/de/intevation/flys/artifacts/WINFOArtifact.java	Sat Jun 25 17:35:50 2011 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/WINFOArtifact.java	Sun Jun 26 10:33:38 2011 +0000
@@ -347,14 +347,21 @@
         double refKm = Double.NaN;
 
         if (!isFreeQ()) {
-            double pos = kms[river.getKmUp() ? 0 : kms.length-1];
-            Gauge gauge = river.determineGaugeByPosition(pos);
+            double [] range = getDistance();
+            if (range == null) {
+                return error(new WQKms[0], "No range found");
+            }
+
+            Gauge gauge = river.determineGaugeByPosition(range[0]);
             if (gauge == null) {
-                logger.warn("no gauge found at km " + pos);
+                return error(
+                    new WQKms[0], "No gauge found for km " + range[0]);
             }
-            else {
-                refKm = gauge.getStation().doubleValue();
-            }
+
+            refKm = gauge.getStation().doubleValue();
+
+            logger.debug(
+                "reference gauge: " + gauge.getName() + " (km " + refKm + ")");
         }
 
         return computeWaterlevelData(