Index: trunk/psModules/src/objects/pmModel.c
===================================================================
--- trunk/psModules/src/objects/pmModel.c	(revision 21183)
+++ trunk/psModules/src/objects/pmModel.c	(revision 21381)
@@ -6,6 +6,6 @@
  *  @author EAM, IfA
  *
- *  @version $Revision: 1.26 $ $Name: not supported by cvs2svn $
- *  @date $Date: 2009-01-27 06:39:38 $
+ *  @version $Revision: 1.27 $ $Name: not supported by cvs2svn $
+ *  @date $Date: 2009-02-06 20:54:14 $
  *
  *  Copyright 2004 Maui High Performance Computing Center, University of Hawaii
@@ -167,4 +167,6 @@
 }
 
+// XXX this is expensive in terms of malloc calls: the use of image interpolate and the residual images
+// makes this somewhat painful.
 static bool AddOrSubModel(psImage *image,
                           psImage *mask,