--- ray/src/rt/rview.c	2004/11/05 17:36:56	2.26
+++ ray/src/rt/rview.c	2005/06/13 20:07:56	2.28
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char	RCSid[] = "$Id: rview.c,v 2.26 2004/11/05 17:36:56 greg Exp $";
+static const char	RCSid[] = "$Id: rview.c,v 2.28 2005/06/13 20:07:56 greg Exp $";
 #endif
 /*
  *  rview.c - routines and variables for interactive view generation.
@@ -33,6 +33,8 @@ void  (*trace)() = NULL;		/* trace call */
 
 int  do_irrad = 0;			/* compute irradiance? */
 
+int  rand_samp = 0;			/* pure Monte Carlo sampling? */
+
 int  psample = 8;			/* pixel sample size */
 double	maxdiff = .15;			/* max. sample difference */
 
@@ -215,11 +217,15 @@ again:
 	else *++args = '\0';
 	
 	switch (inpbuf[0]) {
-	case 'f':				/* new frame (or free mem.) */
+	case 'f':				/* new frame (|focus|free) */
 		if (badcom("frame")) {
-			if (badcom("free"))
-				goto commerr;
-			free_objmem();
+			if (badcom("focus")) {
+				if (badcom("free"))
+					goto commerr;
+				free_objmem();
+				break;
+			}
+			getfocus(args);
 			break;
 		}
 		getframe(args);