--- a/flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/minfo/SedimentLoad.java	Wed Nov 14 16:59:58 2012 +0100
+++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/minfo/SedimentLoad.java	Wed Nov 14 17:02:51 2012 +0100
@@ -160,5 +160,50 @@
             kms.put(km, f);
         }
     }
+
+    public boolean hasCoarse() {
+        for (SedimentLoadFraction slf : kms.values()) {
+            if (slf.getCoarse() > 0d) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    public boolean hasFineMiddle() {
+        for (SedimentLoadFraction slf : kms.values()) {
+            if (slf.getFine_middle() > 0d) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    public boolean hasSand() {
+        for (SedimentLoadFraction slf : kms.values()) {
+            if (slf.getSand() > 0d) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    public boolean hasSuspSand() {
+        for (SedimentLoadFraction slf : kms.values()) {
+            if (slf.getSusp_sand() > 0d) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    public boolean hasSuspSediment() {
+        for (SedimentLoadFraction slf : kms.values()) {
+            if (slf.getSusp_sediment() > 0d) {
+                return true;
+            }
+        }
+        return false;
+    }
 }
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