Index: trunk/ippconfig/gpc1/ppImage.config
===================================================================
--- trunk/ippconfig/gpc1/ppImage.config	(revision 26629)
+++ trunk/ippconfig/gpc1/ppImage.config	(revision 26682)
@@ -23,4 +23,69 @@
 TILTYSTREAK.APPLY       BOOL    FALSE          # apply the 'tiltystreak' tool
 NOISEMAP                BOOL    FALSE          # Apply read noise map
+
+PATTERN		BOOL 	FALSE	# Do any pattern subtraction at all?
+PATTERN.SUBSET	METADATA	# List of chips and whether to do pattern subtraction
+	XY01	BOOL	FALSE
+	XY02	BOOL	FALSE
+	XY03	BOOL	FALSE
+	XY04	BOOL	FALSE
+	XY05	BOOL	FALSE
+	XY06	BOOL	FALSE
+	XY10	BOOL	FALSE
+	XY11	BOOL	FALSE
+	XY12	BOOL	FALSE
+	XY13	BOOL	FALSE
+	XY14	BOOL	FALSE
+	XY15	BOOL	FALSE
+	XY16	BOOL	FALSE
+	XY17	BOOL	FALSE
+	XY20	BOOL	FALSE
+	XY21	BOOL	FALSE
+	XY22	BOOL	FALSE
+	XY23	BOOL	FALSE
+	XY24	BOOL	FALSE
+	XY25	BOOL	FALSE
+	XY26	BOOL	FALSE
+	XY27	BOOL	FALSE
+	XY30	BOOL	FALSE
+	XY31	BOOL	FALSE
+	XY32	BOOL	FALSE
+	XY33	BOOL	FALSE
+	XY34	BOOL	FALSE
+	XY35	BOOL	FALSE
+	XY36	BOOL	FALSE
+	XY37	BOOL	FALSE
+	XY40	BOOL	FALSE
+	XY41	BOOL	FALSE
+	XY42	BOOL	FALSE
+	XY43	BOOL	FALSE
+	XY44	BOOL	FALSE
+	XY45	BOOL	FALSE
+	XY46	BOOL	FALSE
+	XY47	BOOL	FALSE
+	XY50	BOOL	FALSE
+	XY51	BOOL	FALSE
+	XY52	BOOL	FALSE
+	XY53	BOOL	FALSE
+	XY54	BOOL	FALSE
+	XY55	BOOL	FALSE
+	XY56	BOOL	FALSE
+	XY57	BOOL	FALSE
+	XY60	BOOL	FALSE
+	XY61	BOOL	FALSE
+	XY62	BOOL	FALSE
+	XY63	BOOL	FALSE
+	XY64	BOOL	FALSE
+	XY65	BOOL	FALSE
+	XY66	BOOL	FALSE
+	XY67	BOOL	FALSE
+	XY71	BOOL	FALSE
+	XY72	BOOL	FALSE
+	XY73	BOOL	FALSE
+	XY74	BOOL	FALSE
+	XY75	BOOL	FALSE
+	XY76	BOOL	FALSE
+END
+
 
 TILTYSTREAK.BY.CLASS METADATA              # apply the 'tiltystreak' tool