Index: trunk/psModules/src/objects/pmResiduals.c
===================================================================
--- trunk/psModules/src/objects/pmResiduals.c	(revision 15562)
+++ trunk/psModules/src/objects/pmResiduals.c	(revision 21183)
@@ -4,6 +4,6 @@
  *
  * @author EAM, IfA
- * @version $Revision: 1.3 $ $Name: not supported by cvs2svn $
- * @date $Date: 2007-11-10 01:09:20 $
+ * @version $Revision: 1.4 $ $Name: not supported by cvs2svn $
+ * @date $Date: 2009-01-27 06:39:38 $
  * Copyright 2004 IfA, University of Hawaii
  */
@@ -43,5 +43,7 @@
     resid->Ry  = psImageAlloc (nX, nY, PS_TYPE_F32);
     resid->weight = psImageAlloc (nX, nY, PS_TYPE_F32);
-    resid->mask   = psImageAlloc (nX, nY, PS_TYPE_U8);
+    resid->mask   = psImageAlloc (nX, nY, PM_TYPE_RESID_MASK);
+
+    // NOTE : the residual mask is internal only : 1 byte is sufficient
 
     resid->xBin = xBin;