--- a/artifacts/src/main/java/org/dive4elements/river/artifacts/sinfo/flowdepth/FlowDepthCalculation.java	Fri Feb 09 13:20:16 2018 +0100
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/sinfo/flowdepth/FlowDepthCalculation.java	Fri Feb 09 13:27:10 2018 +0100
@@ -12,6 +12,7 @@
 import java.util.Collection;
 import java.util.List;
 
+import org.dive4elements.artifacts.ArtifactDatabase;
 import org.dive4elements.artifacts.CallContext;
 import org.dive4elements.river.artifacts.BedHeightsArtifact;
 import org.dive4elements.river.artifacts.model.Calculation;
@@ -41,8 +42,12 @@
 
     public CalculationResult calculate(final SINFOArtifact sinfo) {
 
-        // FIXME: find user of this artifact; probably only possible by selecting the collection that contains this artifact...
-        final String user = "unbekannt";
+        /*
+         * find the user of this artifact, sadly this is not part of the calling context, so instead we determine the
+         * owner oft the artifact
+         */
+        final ArtifactDatabase database = this.context.getDatabase();
+        final String user = database.findArtifactUser(sinfo.identifier());
 
         /* access input data */
         final FlowDepthAccess access = new FlowDepthAccess(sinfo);
@@ -98,13 +103,18 @@
 
         // FIXME: woher bekommen?
         final int wspYear = 0;
+        // FIXME: angeblich metadatum bestimmter wsps?
+        // Könnte 'source' an 'wst_columns' sein
+        final String wspSource = "FIXME";
+        // FIXME: Umsetzung IDENTISCH zu allen möglichen Arten wie ein WSPL berechnet wird....
+        final String wspGauge = "FIXME";
 
         final String wspLabel = wstKms.getName();
         final String soundingLabel = bedHeight.getDescription();
         final String label = String.format("%s - %s", wspLabel, soundingLabel);
 
         final BedHeightInfo sounding = BedHeightInfo.from(bedHeight);
-        final WstInfo wstInfo = new WstInfo(wspLabel, wspYear);
+        final WstInfo wstInfo = new WstInfo(wspLabel, wspYear, wspSource, wspGauge);
 
         final FlowDepthCalculationResult resultData = new FlowDepthCalculationResult(label, wstInfo, sounding);
 
@@ -150,7 +160,6 @@
             final double tkh = 0;
             final double flowDepthTkh = flowDepth - tkh;
 
-
             // REMARK: access the location once only during calculation
             final String location = LocationProvider.getLocation(river.getName(), km);