1 files changed, 2 insertions, 2 deletions
diff --git a/src/de/lmu/ifi/dbs/elki/visualization/visualizers/optics/OPTICSSteepAreaVisualization.java b/src/de/lmu/ifi/dbs/elki/visualization/visualizers/optics/OPTICSSteepAreaVisualization.java
index 95b3d53b..4e557a74 100644
--- a/src/de/lmu/ifi/dbs/elki/visualization/visualizers/optics/OPTICSSteepAreaVisualization.java
+++ b/src/de/lmu/ifi/dbs/elki/visualization/visualizers/optics/OPTICSSteepAreaVisualization.java
@@ -24,6 +24,7 @@ package de.lmu.ifi.dbs.elki.visualization.visualizers.optics;
  */
 
 import java.awt.Color;
+import java.util.Collection;
 import java.util.List;
 
 import org.apache.batik.util.SVGConstants;
@@ -40,7 +41,6 @@ import de.lmu.ifi.dbs.elki.result.ResultUtil;
 import de.lmu.ifi.dbs.elki.result.SelectionResult;
 import de.lmu.ifi.dbs.elki.result.optics.ClusterOrderEntry;
 import de.lmu.ifi.dbs.elki.result.optics.ClusterOrderResult;
-import de.lmu.ifi.dbs.elki.utilities.iterator.IterableIterator;
 import de.lmu.ifi.dbs.elki.visualization.VisualizationTask;
 import de.lmu.ifi.dbs.elki.visualization.css.CSSClass;
 import de.lmu.ifi.dbs.elki.visualization.opticsplot.OPTICSDistanceAdapter;
@@ -195,7 +195,7 @@ public class OPTICSSteepAreaVisualization<D extends Distance<D>> extends Abstrac
 
     @Override
     public void processNewResult(HierarchicalResult baseResult, Result result) {
-      IterableIterator<OPTICSProjector<?>> ops = ResultUtil.filteredResults(result, OPTICSProjector.class);
+      Collection<OPTICSProjector<?>> ops = ResultUtil.filterResults(result, OPTICSProjector.class);
       for(OPTICSProjector<?> p : ops) {
         final SteepAreaResult steep = findSteepAreaResult(p.getResult());
         if(steep != null) {