Import Upstream version 0.6.0

1 files changed, 8 insertions, 1 deletions

diff --git a/src/de/lmu/ifi/dbs/elki/visualization/visualizers/scatterplot/cluster/ClusterHullVisualization.java b/src/de/lmu/ifi/dbs/elki/visualization/visualizers/scatterplot/cluster/ClusterHullVisualization.java
index 123ed7d9..9436b25c 100644
--- a/src/de/lmu/ifi/dbs/elki/visualization/visualizers/scatterplot/cluster/ClusterHullVisualization.java
+++ b/src/de/lmu/ifi/dbs/elki/visualization/visualizers/scatterplot/cluster/ClusterHullVisualization.java
@@ -272,7 +272,11 @@ public class ClusterHullVisualization extends AbstractVisFactory {
       GrahamScanConvexHull2D hull = new GrahamScanConvexHull2D();

       GrahamScanConvexHull2D hull2 = coremodel ? new GrahamScanConvexHull2D() : null;

       for (DBIDIter iter = ids.iter(); iter.valid(); iter.advance()) {

-        Vector projP = new Vector(proj.fastProjectDataToRenderSpace(rel.get(iter)));

+        final double[] projv = proj.fastProjectDataToRenderSpace(rel.get(iter));

+        if(projv[0] != projv[0] || projv[1] != projv[1]) {

+          continue; // NaN!

+        }

+        Vector projP = new Vector(projv);

         hull.add(projP);

         if (coremodel && cids.contains(iter)) {

           hull2.add(projP);

@@ -327,6 +331,9 @@ public class ClusterHullVisualization extends AbstractVisFactory {
       double weight = ids.size();

       for (DBIDIter iter = ids.iter(); iter.valid(); iter.advance()) {

         double[] projP = proj.fastProjectDataToRenderSpace(rel.get(iter));

+        if(projP[0] != projP[0] || projP[1] != projP[1]) {

+          continue; // NaN!

+        }

         hull.add(new Vector(projP));

       }

       for (Iter<Cluster<Model>> iter = hier.iterChildren(clus); iter.valid(); iter.advance()) {