hps-java/src/main/java/org/lcsim/hps/users/mgraham

diff -u -r1.5 -r1.6
--- FastTrackAnalysisDriver.java	30 Aug 2012 14:38:28 -0000	1.5
+++ FastTrackAnalysisDriver.java	30 Aug 2012 16:56:03 -0000	1.6
@@ -903,7 +903,8 @@

                     Hep3Vector struvec = VecOp.mult(strumeas, stru);
                     Hep3Vector strvec = VecOp.add(strorigin, struvec);
                     int strlayer = str.layer();

-                    if (layer == strlayer && VecOp.sub(clvec, strvec).magnitude() < Math.abs(mindist)) {

+                    //for some reason (str!=cl) not working anymore...so make sure the distance between hits isn't 0
+                    if (layer == strlayer && VecOp.sub(clvec, strvec).magnitude() < Math.abs(mindist)&&VecOp.sub(clvec, strvec).magnitude()!=0) {

                         mindist = VecOp.sub(clvec, strvec).magnitude();
                         if (Math.abs(clvec.z()) > Math.abs(strvec.z())) {
                             mindist = -mindist;