--- a/artifacts/src/main/java/org/dive4elements/river/artifacts/sinfo/tkhstate/TkhState.java	Tue Mar 06 17:14:56 2018 +0100
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/sinfo/tkhstate/TkhState.java	Tue Mar 06 18:51:18 2018 +0100
@@ -11,6 +11,8 @@
 import java.util.List;
 
 import org.dive4elements.artifactdatabase.state.Facet;
+import org.dive4elements.artifactdatabase.state.FacetActivity;
+import org.dive4elements.artifacts.Artifact;
 import org.dive4elements.artifacts.CallContext;
 import org.dive4elements.river.artifacts.ChartArtifact;
 import org.dive4elements.river.artifacts.D4EArtifact;
@@ -21,6 +23,7 @@
 import org.dive4elements.river.artifacts.model.FacetTypes;
 import org.dive4elements.river.artifacts.model.ReportFacet;
 import org.dive4elements.river.artifacts.sinfo.SINFOArtifact;
+import org.dive4elements.river.artifacts.sinfo.common.FlowDepthProcessor;
 import org.dive4elements.river.artifacts.sinfo.common.TkhProcessor;
 import org.dive4elements.river.artifacts.states.DefaultState;
 
@@ -32,6 +35,25 @@
 
     private static final long serialVersionUID = 1L;
 
+    static {
+        // Active/deactivate facets.
+        // BEWARE: we can only define one activity for "sinfo", so this is not the right place....
+        FacetActivity.Registry.getInstance().register("sinfo", new FacetActivity() {
+            @Override
+            public Boolean isInitialActive(final Artifact artifact, final Facet facet, final String output) {
+
+                /* only */
+                if ("sinfo_tkk".equals(output)) {
+                    final String name = facet.getName();
+                    if (FlowDepthProcessor.FACET_FLOW_DEPTH_FILTERED.equals(name))
+                        return Boolean.FALSE;
+                }
+
+                return null;
+            }
+        });
+    }
+
     /**
      * From this state can only be continued trivially.
      */
@@ -82,6 +104,9 @@
             final TkhCalculationResult result = resultList.get(index);
 
             facets.add(TkhProcessor.createTkhFacet(context, hash, this.id, result, index));
+
+            // FIXME: should only be optionally visible
+            facets.add(FlowDepthProcessor.createFlowDepthTkhFacet(context, hash, this.id, result, index));
         }
 
         if (!resultList.isEmpty()) {