Index: trunk/ppSim/src/ppSimSetPSF.c
===================================================================
--- trunk/ppSim/src/ppSimSetPSF.c	(revision 14994)
+++ trunk/ppSim/src/ppSimSetPSF.c	(revision 15005)
@@ -31,8 +31,16 @@
     }
 
+    // XXX this is messed up:  CHIP.XSIZE and CHIP.YSIZE are not seta
+    int xSize = psMetadataLookupS32(NULL, chip->concepts, "CHIP.XSIZE");
+    int ySize = psMetadataLookupS32(NULL, chip->concepts, "CHIP.YSIZE");
+    xSize = 1000;
+    ySize = 1000;
+
     // no spatial variation
     options->psfTrendMode = PM_TREND_POLY_ORD;
     options->psfTrendNx = 0;
     options->psfTrendNy = 0;
+    options->psfFieldNx = xSize;
+    options->psfFieldNy = ySize;
 
     // generate the psf
@@ -48,5 +56,4 @@
 
     pol = psEllipseAxesToPol (axes);
-    
     
     param = psf->params->data[PM_PAR_E0];