--- a/artifacts/src/main/java/org/dive4elements/river/exports/WaterlevelExporter.java	Thu Jan 18 20:10:59 2018 +0100
+++ b/artifacts/src/main/java/org/dive4elements/river/exports/WaterlevelExporter.java	Thu Jan 18 20:12:01 2018 +0100
@@ -161,9 +161,12 @@
 
         officalFixings = new ArrayList<WQKms>();
 
-        for (Artifact art: collection.getArtifactsByName(STATICWQKMSNAME, context)) {
+        for (Artifact art: collection.getArtifactsByName(
+                STATICWQKMSNAME, context)
+        ) {
             if (art instanceof StaticWQKmsArtifact) {
-                        IsOfficialAccess access = new IsOfficialAccess((D4EArtifact)art);
+                IsOfficialAccess access =
+                    new IsOfficialAccess((D4EArtifact)art);
                 StaticWQKmsArtifact sart = (StaticWQKmsArtifact) art;
                 if (!access.isOfficial()) {
                     continue;
@@ -537,7 +540,8 @@
     ) {
         log.info("WaterlevelExporter.writeCSVHeader");
 
-        String unit = RiverUtils.getRiver((D4EArtifact) master).getWstUnit().getName();
+        String unit = RiverUtils.getRiver(
+            (D4EArtifact) master).getWstUnit().getName();
 
         if (atGauge) {
             writer.writeNext(new String[] {
@@ -629,7 +633,8 @@
         if (flys instanceof WINFOArtifact) {
             if (wqkms != null && wqkms.getRawValue() != null) {
                 WINFOArtifact winfo = (WINFOArtifact) flys;
-                colDesc = RiverUtils.getNamedMainValue(winfo, wqkms.getRawValue());
+                colDesc = RiverUtils.getNamedMainValue(
+                    winfo, wqkms.getRawValue());
                 // For 'W am Pegel' s
                 if (colDesc == null) {
                     Double value = RiverUtils.getValueFromWQ(wqkms);
@@ -834,42 +839,6 @@
                     entry.getValue().add(wqkms.getW(idx), wqkms.getQ(idx));
                 }
             }
-
-            /* Variant: Interpolate the values
-            // Now get the lines for the of the calculation
-            Map <Double, WstLine> calcLines = writer.getLines();
-
-            // Create an interpolater for the official KM -> W relation
-            UnivariateRealFunction wFunc = new LinearInterpolator(
-                    ).interpolate(wqkms.allKms().toNativeArray(),
-                        wqkms.allWs().toNativeArray());
-
-            // Now for each calculated point add the interpolated official
-            for (Map.Entry<Double, WstLine> entry : calcLines.entrySet()) {
-                try {
-                    double wVal = wFunc.value(entry.getKey().doubleValue());
-                    // Matching Q's are guranteed otherwise we would
-                    // not have an official line
-                    entry.getValue().add(wVal, entry.getValue().getQ(0));
-                }
-                catch (FunctionEvaluationException aode) {
-                    // should not happen
-                    log.error("spline interpolation failed", aode);
-                    // entry.getValue().add(Double.NaN, entry.getValue().getQ(0));
-                }
-            }*/
-
-             /* Variant: Add all official fixings
-                // Warning the WSTWriter does not handle this properly
-                // as it writes the points for which only a calculation
-                // exists in the first column
-                int size = wqkms.size();
-                result = new double[4];
-                for (int i = 0; i < size; i++) {
-                    result = wqkms.get(i, result);
-                    writer.add(result);
-                }
-            */
         }
     }