--- a/artifacts/src/main/java/org/dive4elements/river/artifacts/sinfo/tkhstate/BedHeightsFinder.java	Tue Mar 13 09:55:53 2018 +0100
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/sinfo/tkhstate/BedHeightsFinder.java	Tue Mar 13 18:49:33 2018 +0100
@@ -17,10 +17,14 @@
 import java.util.TreeMap;
 
 import org.apache.commons.lang.math.DoubleRange;
+import org.dive4elements.artifacts.CallContext;
+import org.dive4elements.river.artifacts.BedHeightsArtifact;
 import org.dive4elements.river.artifacts.math.Linear;
+import org.dive4elements.river.artifacts.model.Calculation;
 import org.dive4elements.river.artifacts.sinfo.util.BedHeightInfo;
 import org.dive4elements.river.model.BedHeight;
 import org.dive4elements.river.model.BedHeightValue;
+import org.dive4elements.river.utils.RiverUtils;
 
 /**
  * Provides bed heigts for vcarious calculations.
@@ -47,12 +51,47 @@
         return result;
     }
 
+    public static BedHeightsFinder forId(final CallContext context, final String soundingId, final DoubleRange calcRange, final Calculation problems) {
+
+        // REMARK: absolutely unbelievable....
+        // The way how bed-heights (and other data too) is accessed is different for nearly every calculation-type
+        // throughout flys.
+        // The knowledge on how to parse the datacage-ids is spread through the complete code-base...
+
+        // We use here the way on how bed-heights are accessed by the BedDifferenceAccess/BedDifferenceCalculation, but
+        // this is plain random
+        final String[] parts = soundingId.split(";");
+
+        final BedHeightsArtifact artifact = (BedHeightsArtifact) RiverUtils.getArtifact(parts[0], context);
+
+        final Integer bedheightId = artifact.getDataAsInteger("height_id");
+
+        // REMARK: this only works with type 'single'; unclear on how to distinguish from epoch data (or whatever the
+        // other type means)
+        // Luckily, the requirement is to only access 'single' data here.
+        // final String bedheightType = artifact.getDataAsString("type");
+
+        // REMARK: BedDifferences uses this, but we also need the metadata of the BedHeight
+        // REMARK: second absolutely awful thing: BedHeight is a hibernate binding class, accessing the database via
+        // hibernate stuff
+        // BedHeightFactory uses its own (direct) way of accessing the data, with its own implemented data classes.
+        // return BedHeightFactory.getHeight(bedheightType, bedheightId, from, to);
+
+        final BedHeightsFinder bedHeight = bedheightId == null ? null : BedHeightsFinder.forId(bedheightId, calcRange);
+        if (bedHeight != null)
+            return bedHeight;
+
+        // FIXME: 10n
+        problems.addProblem("Failed to access sounding with id '{0}'", soundingId);
+        return null;
+    }
+
     /**
      * Creates a {@link BedHeightsFinder} for a dataset from the database, specified by its id.
      *
      * @return <code>null</code> if no bed height with the given id exists.
      */
-    public static BedHeightsFinder forId(final int id, final DoubleRange range) {
+    private static BedHeightsFinder forId(final int id, final DoubleRange range) {
 
         final BedHeight bedHeight = BedHeight.getBedHeightById(id);
         if (bedHeight == null)