Index: trunk/psphot/src/psphotVisual.c
===================================================================
--- trunk/psphot/src/psphotVisual.c	(revision 35769)
+++ trunk/psphot/src/psphotVisual.c	(revision 36863)
@@ -1444,14 +1444,14 @@
 	    coord->data.F32[1] = r;
 	    coord->data.F32[0] = 0.0;
-	    fmaj->data.F32[i] = log10(source->modelPSF->modelFunc (NULL, params, coord));
+	    fmaj->data.F32[i] = log10(source->modelPSF->class->modelFunc (NULL, params, coord));
 
 	    coord->data.F32[0] = r;
 	    coord->data.F32[1] = 0.0;
-	    fmin->data.F32[i] = log10(source->modelPSF->modelFunc (NULL, params, coord));
+	    fmin->data.F32[i] = log10(source->modelPSF->class->modelFunc (NULL, params, coord));
 	}
 	psFree (coord);
 	psFree (params);
 
-	float FWHM_MAJOR = 2.0*source->modelPSF->modelRadius (source->modelPSF->params, 0.5*source->modelPSF->params->data.F32[PM_PAR_I0]);
+	float FWHM_MAJOR = 2.0*source->modelPSF->class->modelRadius (source->modelPSF->params, 0.5*source->modelPSF->params->data.F32[PM_PAR_I0]);
 	float FWHM_MINOR = FWHM_MAJOR * (axes.minor / axes.major);
 	if (FWHM_MAJOR < FWHM_MINOR) PS_SWAP (FWHM_MAJOR, FWHM_MINOR);