Index: trunk/ppSim/src/ppSimSmoothReadout.c
===================================================================
--- trunk/ppSim/src/ppSimSmoothReadout.c	(revision 28125)
+++ trunk/ppSim/src/ppSimSmoothReadout.c	(revision 29002)
@@ -7,5 +7,5 @@
     // XXX use these defaults?
     // float minGauss = 0.1;
-    float nSigma = 3.0;
+    float nSigma = 4.0;
     float sigma = psMetadataLookupF32(&status, recipe, "SEEING"); // Seeing SIGMA (pixels)
 
@@ -28,2 +28,6 @@
 // 4*pi*SIGMA_SMTH^2, but for measurements based on apertures comparable to or larger than the
 // smoothing kernel, the effective per-pixel variance is maintained.
+
+
+// XXX this only allows for Gaussian PSFs.  To extend this, we need to convolve with an image
+// of the PSF model