Index: trunk/psModules/src/objects/pmModel.c
===================================================================
--- trunk/psModules/src/objects/pmModel.c	(revision 36834)
+++ trunk/psModules/src/objects/pmModel.c	(revision 36859)
@@ -33,6 +33,6 @@
 #include "pmMoments.h"
 #include "pmModelFuncs.h"
+#include "pmModelClass.h"
 #include "pmModel.h"
-#include "pmModelClass.h"
 
 static void modelFree(pmModel *tmp)
@@ -92,13 +92,15 @@
     }
 
-    tmp->modelFunc          = class->modelFunc;
-    tmp->modelFlux          = class->modelFlux;
-    tmp->modelRadius        = class->modelRadius;
-    tmp->modelLimits        = class->modelLimits;
-    tmp->modelGuess         = class->modelGuess;
-    tmp->modelFromPSF       = class->modelFromPSF;
-    tmp->modelParamsFromPSF = class->modelParamsFromPSF;
-    tmp->modelFitStatus     = class->modelFitStatus;
-    tmp->modelSetLimits     = class->modelSetLimits;
+    tmp->class = class;
+
+    // tmp->modelFunc          = class->modelFunc;
+    // tmp->modelFlux          = class->modelFlux;
+    // tmp->modelRadius        = class->modelRadius;
+    // tmp->modelLimits        = class->modelLimits;
+    // tmp->modelGuess         = class->modelGuess;
+    // tmp->modelFromPSF       = class->modelFromPSF;
+    // tmp->modelParamsFromPSF = class->modelParamsFromPSF;
+    // tmp->modelFitStatus     = class->modelFitStatus;
+    // tmp->modelSetLimits     = class->modelSetLimits;
 
     psTrace("psModules.objects", 10, "---- %s() end ----\n", __func__);
@@ -158,5 +160,5 @@
     psF32 tmpF;
 
-    tmpF = model->modelFunc (NULL, model->params, x);
+    tmpF = model->class->modelFunc (NULL, model->params, x);
     psFree(x);
     psTrace("psModules.objects", 10, "---- %s() end ----\n", __func__);
@@ -178,5 +180,5 @@
     psF32 tmpF;
 
-    tmpF = model->modelFunc (NULL, model->params, x);
+    tmpF = model->class->modelFunc (NULL, model->params, x);
     psFree(x);
     psTrace("psModules.objects", 10, "---- %s() end ----\n", __func__);
@@ -285,5 +287,5 @@
             // add in the desired components for this coordinate
             if (mode & PM_MODEL_OP_FUNC) {
-                pixelValue += model->modelFunc (NULL, params, x);
+                pixelValue += model->class->modelFunc (NULL, params, x);
             }