Index: branches/eam_branches/ipp-20130904/psModules/src/objects/pmModelUtils.c
===================================================================
--- branches/eam_branches/ipp-20130904/psModules/src/objects/pmModelUtils.c	(revision 36266)
+++ branches/eam_branches/ipp-20130904/psModules/src/objects/pmModelUtils.c	(revision 36268)
@@ -200,4 +200,5 @@
     if (!isfinite(axes.minor)) return false;
     if (!isfinite(axes.theta)) return false;
+    if (axes.major == 0) return false;
 
     // Mxx, Mxy, Myy define the elliptical shape, but Mrf defines the width