Index: trunk/ppMerge/src/ppMergeArguments.c
===================================================================
--- trunk/ppMerge/src/ppMergeArguments.c	(revision 24804)
+++ trunk/ppMerge/src/ppMergeArguments.c	(revision 24821)
@@ -201,4 +201,9 @@
         psMetadataAddStr (config->arguments, PS_LIST_TAIL, "CELL_SELECTIONS", PS_DATA_STRING, "", argv[argnum]);
         psArgumentRemove (argnum, &argc, argv);
+    }
+
+    if ((argnum = psArgumentGet (argc, argv, "-visual"))) {
+        psArgumentRemove (argnum, &argc, argv);
+	pmVisualSetVisual(true);
     }