Index: trunk/psphot/src/psphotStackReadout.c
===================================================================
--- trunk/psphot/src/psphotStackReadout.c	(revision 36542)
+++ trunk/psphot/src/psphotStackReadout.c	(revision 36630)
@@ -418,4 +418,10 @@
     // calculate source magnitudes
     psphotMagnitudes(config, view, STACK_RAW);
+
+    // calculate lensing parameters
+    if (!psphotLensing(config, view, STACK_RAW)) {
+	psErrorStackPrint(stderr, "Unable to do lensing parameters.");
+        psErrorClear();
+    }
 
     if (!psphotEfficiency(config, view, STACK_RAW)) {