--- ray/src/rt/rview.c	2008/08/22 17:39:26	2.30
+++ ray/src/rt/rview.c	2012/03/20 03:37:08	2.36
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char	RCSid[] = "$Id: rview.c,v 2.30 2008/08/22 17:39:26 greg Exp $";
+static const char	RCSid[] = "$Id: rview.c,v 2.36 2012/03/20 03:37:08 greg Exp $";
 #endif
 /*
  *  rview.c - routines and variables for interactive view generation.
@@ -19,6 +19,18 @@ static const char	RCSid[] = "$Id: rview.c,v 2.30 2008/
 
 
 void
+quit(code)			/* quit program */
+int  code;
+{
+	if (ray_pnprocs > 0)	/* close children if any */
+		ray_pclose(0);
+	if (!ray_pnprocs)	/* in parent */
+		devclose();
+	exit(code);
+}
+
+
+void
 devopen(				/* open device driver */
 	char  *dname
 )
@@ -177,16 +189,7 @@ again:
 		break;
 	case 'm':				/* move camera (or memstats) */
 		if (badcom("move"))
-#ifdef	MSTATS
-		{
-			if (badcom("memory"))
-				goto commerr;
-			printmemstats(stderr);
-			break;
-		}
-#else
 			goto commerr;
-#endif
 		getmove(args);
 		break;
 	case 'r':				/* rotate/repaint */
@@ -246,6 +249,8 @@ commerr:
 		error(COMMAND, errmsg);
 		break;
 	}
+	if (newparam && ray_pnprocs)		/* drop into immediate mode */
+		ray_pclose(0);
 #undef	badcom
 }
 
@@ -280,7 +285,7 @@ rsample(void)			/* sample the image */
 						/* sample the image */
 	for (y = 0; /* y < ysiz */ ; y++) {
 		for (x = 0; x < xsiz-1; x++) {
-			if (dev->inpready || errno == ENOMEM)
+			if (dev->inpready)
 				goto escape;
 			/*
 			 * Test super-pixel to the right.
@@ -294,7 +299,7 @@ rsample(void)			/* sample the image */
 		if (y >= ysiz-1)
 			break;
 		for (x = 0; x < xsiz; x++) {
-			if (dev->inpready || errno == ENOMEM)
+			if (dev->inpready)
 				goto escape;
 			/*
 			 * Find super-pixel at this position in next row.
@@ -328,7 +333,6 @@ refine(				/* refine a node */
 {
 	int  growth;
 	int  mx, my;
-	int  i;
 
 	if (dev->inpready)			/* quit for input */
 		return(0);
@@ -396,13 +400,6 @@ refine(				/* refine a node */
 			growth += refine(p->kid+DR, pd-1);
 		if (my < pframe.u)
 			growth += refine(p->kid+UR, pd-1);
-	}
-						/* recompute sum */
-	if (growth) {
-		setcolor(p->v, 0.0, 0.0, 0.0);
-		for (i = 0; i < 4; i++)
-			addcolor(p->v, p->kid[i].v);
-		scalecolor(p->v, 0.25);
 	}
 	return(growth);
 }