--- a/artifacts/src/main/java/org/dive4elements/river/artifacts/model/minfo/SedimentDensity.java	Fri Aug 30 09:45:04 2013 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/model/minfo/SedimentDensity.java	Fri Aug 30 09:47:15 2013 +0200
@@ -135,8 +135,12 @@
         return (m * km) + b;
     }
 
+
+    /** If multiple values for same year and station are found,
+     * build and store average, dismiss multiple values. */
     public void cleanUp() {
         Set<Integer> keys = densities.keySet();
+        // Walk over years
         for (Integer key : keys) {
             List<SedimentDensityValue> list = densities.get(key);
             if (list.size() == 0) {
@@ -148,6 +152,7 @@
             int counter = 0;
             double sum = 0d;
             for (SedimentDensityValue value : list) {
+                // Apparently we can assume that values are ordered by km.
                 if (value.getKm() == prevkm) {
                     sum += value.getDensity();
                     counter++;
@@ -166,3 +171,4 @@
         }
     }
 }
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :