Index: trunk/ppSim/src/ppSimInsertStars.c
===================================================================
--- trunk/ppSim/src/ppSimInsertStars.c	(revision 17557)
+++ trunk/ppSim/src/ppSimInsertStars.c	(revision 18011)
@@ -15,7 +15,4 @@
 
     if (!stars->n) { return true; }
-
-    // XXX is this needed?
-    // pmFPAfile *simSources = psMetadataLookupPtr(NULL, config->files, "PPSIM.SOURCES"); // Output sources
 
     pmCell *cell = readout->parent;
@@ -43,5 +40,5 @@
     if (isnan(skyRate)) {
 	float zp      = psMetadataLookupF32(&mdok, recipe, "ZEROPOINT"); assert (mdok);
-	float scale   = psMetadataLookupF32(&mdok, recipe, "SCALE");     assert (mdok);
+	float scale   = psMetadataLookupF32(&mdok, recipe, "PIXEL.SCALE");     assert (mdok);
 	float skyMags = psMetadataLookupF32(&mdok, recipe, "SKY.MAGS");  assert (mdok);
         skyRate = scale * scale * ppSimMagToFlux (skyMags, zp);
@@ -61,5 +58,5 @@
     int yParityCell = psMetadataLookupS32(NULL, cell->concepts, "CELL.YPARITY");
 
-    int binning = psMetadataLookupS32(NULL, config->arguments, "BINNING"); // Binning in x and y
+    int binning = psMetadataLookupS32(NULL, recipe, "BINNING"); // Binning in x and y
 
     pmPSF *psf = psMetadataLookupPtr (&mdok, chip->analysis, "PSPHOT.PSF");
@@ -117,10 +114,7 @@
         source->errMag = sqrt(Area*PS_SQR(roughNoise) + flux) / flux;
 
-        // XXX add the sources to a source array
-
         // insert the source flux in the image
         pmSourceAddWithOffset (source, PM_MODEL_OP_FULL, 0xff, dX, dY);
-        psArrayAdd (sources, 100,source);
-        psFree(source);                 // Drop reference
+        pmSourceAddWithOffset (source, PM_MODEL_OP_FULL | PM_MODEL_OP_NOISE, 0xff, dX, dY);
 
         // Blow away the image parts of the source, which makes the memory explode
@@ -132,8 +126,12 @@
         RESET(source->psfFlux);
         RESET(source->blends);
+
+        // add the sources to the source array
+        psArrayAdd (sources, 100,source);
+        psFree(source);                 // Drop reference
     }
 
-    // NOTE: readout must be part of the pmFPAfile named "PPSIM.OUTPUT"
-    psMetadataAdd (readout->analysis, PS_LIST_TAIL, "PSPHOT.SOURCES", PS_DATA_ARRAY, "psphot sources", sources);
+    // NOTE: the pmFPAfile "PPSIM.OUTPUT" points at these sources
+    psMetadataAdd (readout->analysis, PS_LIST_TAIL, "PSPHOT.SOURCES", PS_DATA_ARRAY, "fake sources", sources);
     psFree(sources);
 
@@ -141,3 +139,2 @@
     return true;
 }
-