diff --git a/examples/osgoccluder/osgoccluder.cpp b/examples/osgoccluder/osgoccluder.cpp
index 5fa26506e..0e093a2e4 100644
--- a/examples/osgoccluder/osgoccluder.cpp
+++ b/examples/osgoccluder/osgoccluder.cpp
@@ -20,6 +20,7 @@
 
 #include <osg/OccluderNode>
 #include <osg/Geometry>
+#include <osg/ShapeDrawable>
 
 
 class OccluderEventHandler : public osgGA::GUIEventHandler
@@ -43,7 +44,6 @@ class OccluderEventHandler : public osgGA::GUIEventHandler
         
         
         osgProducer::Viewer*                    _viewer;
-        osg::ref_ptr<osg::Group>                _rootnode;
         osg::ref_ptr<osg::Group>                _occluders;
         osg::ref_ptr<osg::ConvexPlanarOccluder> _convexPlanarOccluder;
 };
@@ -110,6 +110,16 @@ void OccluderEventHandler::addPoint(const osg::Vec3& pos)
     
     osg::ConvexPlanarPolygon& occluder = _convexPlanarOccluder->getOccluder();
     occluder.add(pos);
+
+//     
+//     osg::BoundingSphere bs = rootNode()->getBound();
+// 
+//     osg::ShapeDrawable* sd = new osg::ShapeDrawable(new osg::Sphere(pos,bs.radius()*0.001f));
+//     osg::Geode* geode = new osg::Geode;
+//     geode->addDrawable(sd);
+// 
+//     rootNode()->addChild(geode);
+// 
     
 }
                 
diff --git a/src/osgProducer/Viewer.cpp b/src/osgProducer/Viewer.cpp
index 148e2ad07..6fca77a9b 100644
--- a/src/osgProducer/Viewer.cpp
+++ b/src/osgProducer/Viewer.cpp
@@ -38,6 +38,10 @@ public:
         // the ray transformed by Projection
         _lineSegment = new osg::LineSegment;
         _lineSegment->set(nr,fr); // make a line segment
+        
+        std::cout<<"near "<<nr<<std::endl;
+        std::cout<<"far "<<fr<<std::endl;
+        
         addLineSegment(_lineSegment.get());
 
         scene->accept(*this);
@@ -65,7 +69,7 @@ public:
         // Assumes that the Projection is an absolute projection
         osg::Matrix mt;
         mt.invert(pr.getMatrix());
-        osg::Vec3 npt=osg::Vec3(xp,yp,1.0f) * mt, farpt=osg::Vec3(xp,yp,-1.0f) * mt;
+        osg::Vec3 npt=osg::Vec3(xp,yp,-1.0f) * mt, farpt=osg::Vec3(xp,yp,1.0f) * mt;
 
         // traversing the nodes children, using the projection direction
         for (unsigned int i=0; i<pr.getNumChildren(); i++) 
@@ -102,8 +106,8 @@ public:
         // x,y are values returned by 
         osg::Matrix inverseMVPW;
         inverseMVPW.invert(projm);
-        osg::Vec3 near_point = osg::Vec3(x,y,1.0f)*inverseMVPW;
-        osg::Vec3 far_point = osg::Vec3(x,y,-1.0f)*inverseMVPW;
+        osg::Vec3 near_point = osg::Vec3(x,y,-1.0f)*inverseMVPW;
+        osg::Vec3 far_point = osg::Vec3(x,y,1.0f)*inverseMVPW;
         setxy(x,y);    
         getHits(node,near_point,far_point);
         return _PIVsegHitList;