--- ray/src/hd/rhdisp2.c	1998/11/24 17:05:36	3.26
+++ ray/src/hd/rhdisp2.c	1998/12/10 10:45:55	3.28
@@ -17,10 +17,10 @@ static char SCCSid[] = "$SunId$ SGI";
 #define MAXDIST		42	/* maximum distance outside section */
 #endif
 #ifndef NVSAMPS
-#define NVSAMPS		4096	/* number of ray samples per view */
+#define NVSAMPS		16384	/* number of ray samples per view */
 #endif
 #ifndef MEYERNG
-#define MEYERNG		0.2	/* target mean eye range (rel. to grid) */
+#define MEYERNG		0.1	/* target mean eye range (rel. to grid) */
 #endif
 #ifndef MAXTODO
 #define MAXTODO		3	/* maximum sections to look at */
@@ -285,13 +285,14 @@ int	hr, vr;
 		addview(todo[i], vn, hr, vr);
 	if (MEYERNG <= FTINY || vn->type == VT_PAR)
 		return(1);
-	hdgsiz = 0.; d = 1./3. / n;	/* compute mean grid size */
+	hdgsiz = 0.;			/* compute mean grid size */
 	for (i = 0; i < n; i++) {
 		hp = hdlist[todo[i]];
-		hdgsiz += d * (	VLEN(hp->xv[0])/hp->grid[0] +
-				VLEN(hp->xv[1])/hp->grid[1] +
-				VLEN(hp->xv[2])/hp->grid[2] ) ;
+		hdgsiz += 	1./3. / VLEN(hp->wg[0]) +
+				1./3. / VLEN(hp->wg[1]) +
+				1./3. / VLEN(hp->wg[2]) ;
 	}
+	hdgsiz /= (double)n;
 					/* add to current eye position */
 	if (cureye.rng <= FTINY) {
 		VCOPY(cureye.vpt, vn->vp);