Index: trunk/ippconfig/recipes/psphot.config
===================================================================
--- trunk/ippconfig/recipes/psphot.config	(revision 34214)
+++ trunk/ippconfig/recipes/psphot.config	(revision 34226)
@@ -233,4 +233,11 @@
 @RADIAL.ANNULAR.BINS.UPPER           F32      0.96 2.72 4.16 7.04 12.0 18.56 29.76 45.68 72.80 112.80 176.88 # perl parser fails without a comment ticket #1476 still?
 
+# In very dense fields it doesn't make sense to measure out to large radial apertures.
+# If the number of sources is above RADIAL.CUT.RADIUS.NUM.SOURCES.LIMIT 
+# bins with     RADIAL.ANNULAR.BINS.UPPER > RADIAL.SOURCES.OVER.LIMIT.RADIUS
+# will be removed from the recipe. (Note this is currently only used in psphotStack).
+RADIAL.NUM.SOURCES.LIMIT            S32         50000
+RAIDAL.SOURCES.OVER.LIMIT.RADIUS    F32         20.0    # pixels
+
 # Extended source fit parameters
 EXTENDED_TEST                       METADATA
@@ -354,4 +361,5 @@
 @PSPHOT.STACK.TARGET.PSF.FWHM       F32   6.0 8.0 # FWHM of target PSF (if NOT AUTO sized; pixels)
 PSPHOT.STACK.USE.RAW                BOOL  T
+PSPHOT.STACK.SPLIT.LINEAR.FIT       BOOL  T    # require positive flux for pass 3 sources then fit matched sources 
 
 RADIAL_APERTURES                    BOOL  F    # calculate flux in circular radial apertures?