Index: trunk/psModules/src/objects/pmSource.c
===================================================================
--- trunk/psModules/src/objects/pmSource.c	(revision 17832)
+++ trunk/psModules/src/objects/pmSource.c	(revision 18042)
@@ -6,6 +6,6 @@
  *  @author EAM, IfA: significant modifications.
  *
- *  @version $Revision: 1.53 $ $Name: not supported by cvs2svn $
- *  @date $Date: 2008-05-28 21:48:49 $
+ *  @version $Revision: 1.54 $ $Name: not supported by cvs2svn $
+ *  @date $Date: 2008-06-10 02:26:17 $
  *
  *  Copyright 2004 Maui High Performance Computing Center, University of Hawaii
@@ -703,4 +703,5 @@
                 vMsk++;
             }
+	    if (isnan(*vPix)) continue;
 
             psF32 xDiff = col + xOff;