Index: /branches/eam_branches/20090715/psphot/src/psphotRadiusChecks.c
===================================================================
--- /branches/eam_branches/20090715/psphot/src/psphotRadiusChecks.c	(revision 25645)
+++ /branches/eam_branches/20090715/psphot/src/psphotRadiusChecks.c	(revision 25646)
@@ -98,4 +98,5 @@
 static float EXT_FIT_NSIGMA;
 static float EXT_FIT_PADDING;
+static float EXT_FIT_MAX_RADIUS;
 
 bool psphotInitRadiusEXT (psMetadata *recipe, pmModelType type) {
@@ -103,6 +104,7 @@
     bool status;
 
-    EXT_FIT_NSIGMA   = psMetadataLookupF32 (&status, recipe, "EXT_FIT_NSIGMA");
-    EXT_FIT_PADDING  = psMetadataLookupF32 (&status, recipe, "EXT_FIT_PADDING");
+    EXT_FIT_NSIGMA     = psMetadataLookupF32 (&status, recipe, "EXT_FIT_NSIGMA");
+    EXT_FIT_PADDING    = psMetadataLookupF32 (&status, recipe, "EXT_FIT_PADDING");
+    EXT_FIT_MAX_RADIUS = psMetadataLookupF32 (&status, recipe, "EXT_FIT_MAX_RADIUS");
 
     return true;
@@ -138,4 +140,6 @@
     radius += EXT_FIT_PADDING;
     if (isnan(radius)) psAbort("error in radius");
+
+    radius = PS_MIN (radius, EXT_FIT_MAX_RADIUS);
 
     // redefine the pixels if needed