Index: trunk/ippconfig/recipes/ppStack.config
===================================================================
--- trunk/ippconfig/recipes/ppStack.config	(revision 18339)
+++ trunk/ippconfig/recipes/ppStack.config	(revision 18397)
@@ -8,8 +8,8 @@
 IMAGE.REJ	F32	0.2		# Rejected pixel fraction threshold for rejecting entire image
 ROWS		S32	64		# Number of rows to read at once
-VARIANCE	BOOL	FALSE		# Use variance in rejection?
+VARIANCE	BOOL	TRUE		# Use variance in rejection?
 SAFE		BOOL	TRUE		# Play safe when combining small number of values?
 
-RENORM		BOOL	TRUE		# Renormalise variance maps?
+RENORM		BOOL	FALSE		# Renormalise variance maps?
 RENORM.MEAN	STR	ROBUST_MEDIAN	# Statistic to use for mean in renormalisation
 RENORM.STDEV	STR	ROBUST_STDEV	# Statistic to use for stdev in renormalisation