lcsim/src/org/lcsim/contrib/onoprien/tracking/track

diff -N TrackAnchor.java
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ TrackAnchor.java	25 Sep 2007 03:25:40 -0000	1.1
@@ -0,0 +1,26 @@

+package org.lcsim.contrib.onoprien.tracking.track;
+
+import javax.crypto.NullCipher;
+import org.lcsim.contrib.onoprien.tracking.geom.Sensor;
+//import org.lcsim.contrib.onoprien.tracking.geom.SensorGroup;
+import org.lcsim.contrib.onoprien.tracking.hit.TrackerCluster;
+import org.lcsim.contrib.onoprien.tracking.swimmer.Helix;
+
+/**
+ * Track node associated with with a hit.
+ * 
+ * 
+ * 
+ * @author D.Onoprienko
+ * @version $Id: TrackAnchor.java,v 1.1 2007/09/25 03:25:40 onoprien Exp $
+ */
+public interface TrackAnchor {
+  
+  /**
+   * Calculates Chi**2 to the trajectory given as an argument.
+   */
+  public double chi2(TrackPoint trackPoint);
+  
+  //public SensorGroup getGroup();
+  
+}