Index: branches/2dbias/ippconfig/gpc1/format_20100723.config
===================================================================
--- branches/2dbias/ippconfig/gpc1/format_20100723.config	(revision 42666)
+++ branches/2dbias/ippconfig/gpc1/format_20100723.config	(revision 42679)
@@ -166,5 +166,5 @@
 # 2D bias subtraction requires ppImage.config OVERSCAN.2D to be TRUE
                CELL.BIASSEC.SOURCE     STR     VALUE
-               CELL.BIASSEC            STR     [591:624,1:598],[1:590,598:608]
+               CELL.BIASSEC            STR     [591:624,1:598],[1:624,599:608]
 #
 # a single region will be used for constant and 1D bias subtraction
@@ -174,4 +174,70 @@
 END
 
+OVERSCAN.2D.SUBSET METADATA
+      XY00    BOOL    TRUE
+      XY01    BOOL    TRUE
+      XY02    BOOL    TRUE
+      XY03    BOOL    TRUE
+      XY04    BOOL    TRUE
+      XY05    BOOL    TRUE
+      XY06    BOOL    TRUE
+      XY07    BOOL    TRUE
+      XY10    BOOL    TRUE
+      XY11    BOOL    TRUE
+      XY12    BOOL    TRUE
+      XY13    BOOL    TRUE
+      XY14    BOOL    TRUE
+      XY15    BOOL    TRUE
+      XY16    BOOL    TRUE
+      XY17    BOOL    TRUE
+      XY20    BOOL    TRUE
+      XY21    BOOL    TRUE
+      XY22    BOOL    TRUE
+      XY23    BOOL    TRUE
+      XY24    BOOL    TRUE
+      XY25    BOOL    TRUE
+      XY26    BOOL    TRUE
+      XY27    BOOL    TRUE
+      XY30    STR     1111100011111000111100001111000011110000111110001111000011110000
+      XY31    BOOL    TRUE
+      XY32    BOOL    TRUE
+      XY33    BOOL    TRUE
+      XY34    BOOL    TRUE
+      XY35    BOOL    TRUE
+      XY36    BOOL    TRUE
+      XY37    BOOL    TRUE
+      XY40    BOOL    TRUE
+      XY41    BOOL    TRUE
+      XY42    BOOL    TRUE
+      XY43    BOOL    TRUE
+      XY44    BOOL    TRUE
+      XY45    BOOL    TRUE
+      XY46    BOOL    TRUE
+      XY47    BOOL    TRUE
+      XY50    BOOL    TRUE
+      XY51    BOOL    TRUE
+      XY52    BOOL    TRUE
+      XY53    BOOL    TRUE
+      XY54    BOOL    TRUE
+      XY55    BOOL    TRUE
+      XY56    BOOL    TRUE
+      XY57    BOOL    TRUE
+      XY60    BOOL    TRUE
+      XY61    BOOL    TRUE
+      XY62    BOOL    TRUE
+      XY63    BOOL    TRUE
+      XY64    BOOL    TRUE
+      XY65    BOOL    TRUE
+      XY66    BOOL    TRUE
+      XY67    BOOL    TRUE
+      XY70    BOOL    TRUE
+      XY71    BOOL    TRUE
+      XY72    BOOL    TRUE
+      XY73    BOOL    TRUE
+      XY74    BOOL    TRUE
+      XY75    BOOL    TRUE
+      XY76    BOOL    TRUE
+      XY77    BOOL    TRUE
+END
 
 # How to translate PS concepts into FITS headers
Index: branches/2dbias/ippconfig/gpc1/ppImage.config
===================================================================
--- branches/2dbias/ippconfig/gpc1/ppImage.config	(revision 42666)
+++ branches/2dbias/ippconfig/gpc1/ppImage.config	(revision 42679)
@@ -9,4 +9,71 @@
 OVERSCAN.STAT           STR     MEDIAN
 OVERSCAN.BOXCAR         S32     3
+
+OVERSCAN.2D.SUBSET METADATA
+      XY00    BOOL    TRUE
+      XY01    BOOL    TRUE
+      XY02    BOOL    TRUE
+      XY03    BOOL    TRUE
+      XY04    BOOL    TRUE
+      XY05    BOOL    TRUE
+      XY06    BOOL    TRUE
+      XY07    BOOL    TRUE
+      XY10    BOOL    TRUE
+      XY11    BOOL    TRUE
+      XY12    BOOL    TRUE
+      XY13    BOOL    TRUE
+      XY14    BOOL    TRUE
+      XY15    BOOL    TRUE
+      XY16    BOOL    TRUE
+      XY17    BOOL    TRUE
+      XY20    BOOL    TRUE
+      XY21    BOOL    TRUE
+      XY22    BOOL    TRUE
+      XY23    BOOL    TRUE
+      XY24    BOOL    TRUE
+      XY25    BOOL    TRUE
+      XY26    BOOL    TRUE
+      XY27    BOOL    TRUE
+      XY30    BOOL    TRUE
+      XY31    BOOL    TRUE
+      XY32    BOOL    TRUE
+      XY33    BOOL    TRUE
+      XY34    BOOL    TRUE
+      XY35    BOOL    TRUE
+      XY36    BOOL    TRUE
+      XY37    BOOL    TRUE
+      XY40    BOOL    TRUE
+      XY41    BOOL    TRUE
+      XY42    BOOL    TRUE
+      XY43    BOOL    TRUE
+      XY44    BOOL    TRUE
+      XY45    BOOL    TRUE
+      XY46    BOOL    TRUE
+      XY47    BOOL    TRUE
+      XY50    BOOL    TRUE
+      XY51    BOOL    TRUE
+      XY52    BOOL    TRUE
+      XY53    BOOL    TRUE
+      XY54    BOOL    TRUE
+      XY55    BOOL    TRUE
+      XY56    BOOL    TRUE
+      XY57    BOOL    TRUE
+      XY60    BOOL    TRUE
+      XY61    BOOL    TRUE
+      XY62    BOOL    TRUE
+      XY63    BOOL    TRUE
+      XY64    BOOL    TRUE
+      XY65    BOOL    TRUE
+      XY66    BOOL    TRUE
+      XY67    BOOL    TRUE
+      XY70    BOOL    TRUE
+      XY71    BOOL    TRUE
+      XY72    BOOL    TRUE
+      XY73    BOOL    TRUE
+      XY74    BOOL    TRUE
+      XY75    BOOL    TRUE
+      XY76    BOOL    TRUE
+      XY77    BOOL    TRUE
+END
 
 # Normalization class
Index: branches/2dbias/ippconfig/recipes/ppImage.config
===================================================================
--- branches/2dbias/ippconfig/recipes/ppImage.config	(revision 42666)
+++ branches/2dbias/ippconfig/recipes/ppImage.config	(revision 42679)
@@ -110,4 +110,6 @@
 
 OVERSCAN.2D             BOOL    FALSE           # use a 2D model for the overscan subtraction?
+OVERSCAN.2D.SUBSET METADATA
+END
 
 # statistics to use to convert 2D top-overscan region to a vector