--- a/flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSHydrBoundaryArtifact.java	Wed Apr 03 15:59:01 2013 +0200
+++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/WMSHydrBoundaryArtifact.java	Wed Apr 03 16:00:21 2013 +0200
@@ -102,8 +102,14 @@
 
         @Override
         protected Envelope getExtent(boolean reproject) {
-            List<HydrBoundary> boundaries = HydrBoundary.getHydrBoundaries(
-                getRiverId(), getName());
+            List<HydrBoundary> boundaries;
+            String kind = getIdPart(2);
+            if (kind != null) {
+                boundaries = HydrBoundary.getHydrBoundaries(getRiverId(),
+                        getName(), Integer.parseInt(kind));
+            } else {
+                boundaries = HydrBoundary.getHydrBoundaries(getRiverId(), getName());
+            }
 
             Envelope max = null;
 
@@ -125,6 +131,12 @@
 
         @Override
         protected String getFilter() {
+            String kind = getIdPart(2);
+            if (kind != null) {
+                return "river_id=" + String.valueOf(getRiverId())
+                    + " AND name='" + getName() + "'"
+                    + " AND kind = " + kind;
+            }
             return "river_id=" + String.valueOf(getRiverId())
                 + " AND name='" + getName() + "'";
         }