Index: trunk/pstamp/src/ppstampArguments.c
===================================================================
--- trunk/pstamp/src/ppstampArguments.c	(revision 29379)
+++ trunk/pstamp/src/ppstampArguments.c	(revision 29885)
@@ -25,4 +25,5 @@
     fprintf(stderr, "   [-mask   mk_image] :     mask image\n");
     fprintf(stderr, "   [-variance var_image] :  variance image\n");
+    fprintf(stderr, "   [-no_censor_masked] : do not set masked pixels to NAN\n");
     fprintf(stderr, "\n");
 
@@ -95,4 +96,8 @@
     }
     
+    if ((argnum = psArgumentGet(argc, argv, "-no_censor_masked"))) {
+        psArgumentRemove(argnum, &argc, argv);
+        options->censorMasked = false;
+    }
 
     // finally the output file