Index: /tags/ipp-20120626/ippconfig/gpc1/ppStack.config
===================================================================
--- /tags/ipp-20120626/ippconfig/gpc1/ppStack.config	(revision 34125)
+++ /tags/ipp-20120626/ippconfig/gpc1/ppStack.config	(revision 34126)
@@ -18,30 +18,31 @@
 END
 
-PS1_REFERENCE METADATA
-    OUTPUT.NOCOMP       BOOL    TRUE
-    OUTPUT.LOGFLUX      BOOL    FALSE
-    OUTPUT.REPLICATE    BOOL    TRUE
+PS1_REFERENCE METADATA                  # Refstack for diffims, typically best of best IQ/images and N>20
+    OUTPUT.NOCOMP	    BOOL  TRUE
+    OUTPUT.LOGFLUX          BOOL  FALSE
+    OUTPUT.REPLICATE        BOOL  TRUE
+    PSF.INPUT.MAX           F32   6.0   # never really want >6 pixels in refstack
+    PSF.INPUT.CLIP.NSIGMA   F32   1.0   # sample typically on rising side of distribution (set even smaller?)
 END
 
-STACK_DEEP    METADATA
-    OUTPUT.NOCOMP   BOOL    TRUE
-    OUTPUT.LOGFLUX  BOOL    FALSE
-
-    PSF.INPUT.MAX           F32  7.5
-    PSF.INPUT.CLIP.NSIGMA   F32  1.5
+STACK_DEEP    METADATA                  # N>>20 inputs, typically MD fields
+    OUTPUT.NOCOMP	    BOOL  TRUE
+    OUTPUT.LOGFLUX  	    BOOL  FALSE
+    OUTPUT.REPLICATE        BOOL  TRUE
+    PSF.INPUT.MAX           F32   7.5
+    PSF.INPUT.CLIP.NSIGMA   F32   1.5
 END
 
-# for just unconvolved and deep stacks
-QUICKSTACK_DEEP    METADATA
-    CONVOLVE        BOOL   FALSE    
-    COMBINE.REJ     F32    3.5          # Rejection threshold in combination (sigma). tune?
-    COMBINE.DISCARD F32    0.2          # Discard fraction for Olympic weighted mean. tune?
-    OUTPUT.NOCOMP   BOOL    TRUE
-    OUTPUT.LOGFLUX  BOOL    FALSE
-    PSF.INPUT.MAX           F32  7.5    # since not convolved limit, relax? tune?
-    PSF.INPUT.CLIP.NSIGMA   F32  1.5
+QUICKSTACK_DEEP    METADATA             # Unconvolved and deep stacks only
+    CONVOLVE		   BOOL  FALSE    
+    COMBINE.REJ     	   F32   3.5    # Rejection threshold in combination (sigma). tune?
+    COMBINE.DISCARD 	   F32   0.2    # Discard fraction for Olympic weighted mean. tune?
+    OUTPUT.NOCOMP   	   BOOL  TRUE
+    OUTPUT.LOGFLUX  	   BOOL  FALSE
+    PSF.INPUT.MAX          F32   7.5    # since not convolved limit, relax/tune?
+    PSF.INPUT.CLIP.NSIGMA  F32   1.5
 END
 
-STACK_NIGHTLY  METADATA
+STACK_NIGHTLY  METADATA                 # Typically MD 8 input nightly stacks
     OUTPUT.NOCOMP   BOOL    FALSE
     OUTPUT.LOGFLUX  BOOL    FALSE
@@ -49,8 +50,8 @@
 
 STACK_THREEPI  METADATA
-    PSF.INPUT.MAX   		F32     7.5	# make input cuts more restrictive from 12->7.5 pixels to limit target PSF in convolved stacks 
-    PSF.INPUT.CLIP.NSIGMA   	F32  	1.5	# include additional cut if majority of inputs much smaller than INPUT.MAX
-    OUTPUT.NOCOMP   BOOL    FALSE
-    OUTPUT.LOGFLUX  BOOL    TRUE
+    OUTPUT.NOCOMP   	    BOOL  FALSE
+    OUTPUT.LOGFLUX  	    BOOL  TRUE
+    PSF.INPUT.MAX           F32	  7.5	# input cut more restrictive now 12->7.5 pix, limit target PSF in convolved stacks 
+    PSF.INPUT.CLIP.NSIGMA   F32   1.5	# additional cut if majority of inputs much smaller than INPUT.MAX
 END