--- ray/src/rt/rv2.c	1996/01/17 11:00:09	2.33
+++ ray/src/rt/rv2.c	1997/03/07 16:58:58	2.36
@@ -492,13 +492,14 @@ register char  *s;
 	extern double  shadthresh;
 	extern double  shadcert;
 	extern COLOR  ambval;
+	extern int  ambvwt;
 	extern double  ambacc;
 	extern int  ambres;
 	extern int  ambdiv;
 	extern int  ambssamp;
 	extern int  ambounce;
 	extern COLOR  cextinction;
-	extern double  salbedo;
+	extern COLOR  salbedo;
 	extern double  seccg;
 	extern double  ssampdist;
 	extern int  directvis;
@@ -511,7 +512,7 @@ register char  *s;
 	
 	if (s[0] == '\0') {
 		(*dev->comout)(
-		"aa ab ad ar as av b dc dv dj ds dt i lr lw me ma mg ms ps pt sj st bv: ");
+		"aa ab ad ar as av aw b dc dv dj ds dt i lr lw me ma mg ms ps pt sj st bv: ");
 		(*dev->comin)(buf, NULL);
 		s = buf;
 	}
@@ -573,6 +574,9 @@ register char  *s;
 		case 'v':			/* value */
 			getparam(s+2, "ambient value", 'C', (COLOR *)ambval);
 			break;
+		case 'w':			/* weight */
+			getparam(s+2, "ambient value weight", 'i', &ambvwt);
+			break;
 		case 'a':			/* accuracy */
 			if (getparam(s+2, "ambient accuracy", 'r', &ambacc))
 				setambacc(ambacc);
@@ -601,7 +605,8 @@ register char  *s;
 					(COLOR *)cextinction);
 			break;
 		case 'a':			/* scattering albedo */
-			getparam(s+2, "scattering albedo", 'r', &salbedo);
+			getparam(s+2, "scattering albedo", 'C',
+					(COLOR *)salbedo);
 			break;
 		case 'g':			/* scattering eccentricity */
 			getparam(s+2, "scattering eccentricity", 'r', &seccg);
@@ -657,6 +662,7 @@ char  *s;
 {
 	char  buf[128];
 	int  x, y;
+	OBJREC	*inst;
 	RAY  thisray;
 
 	thisray.rmax = 0.0;
@@ -694,6 +700,9 @@ char  *s;
 					objptr(thisray.ro->omod)->oname,
 				ofun[thisray.ro->otype].funame,
 				thisray.ro->oname);
+		if ((inst = objptr(thisray.robj)) != thisray.ro)
+			sprintf(buf+strlen(buf), " in instance \"%s\"",
+					inst->oname);
 		(*dev->comout)(buf);
 		(*dev->comin)(buf, NULL);
 		if (thisray.rot >= FHUGE)