--- ray/src/rt/rview.c	1994/12/21 09:52:07	2.14
+++ ray/src/rt/rview.c	1996/04/17 14:02:16	2.17
@@ -1,4 +1,4 @@
-/* Copyright (c) 1992 Regents of the University of California */
+/* Copyright (c) 1995 Regents of the University of California */
 
 #ifndef lint
 static char SCCSid[] = "$SunId$ LBL";
@@ -38,6 +38,11 @@ int  vspretest = 128;			/* virtual source pretest dens
 int  directvis = 1;			/* sources visible? */
 double	srcsizerat = 0.;		/* maximum ratio source size/dist. */
 
+COLOR  cextinction = BLKCOLOR;		/* global extinction coefficient */
+COLOR  salbedo = BLKCOLOR;		/* global scattering albedo */
+double  seccg = 0.;			/* global scattering eccentricity */
+double  ssampdist = 0.;			/* scatter sampling distance */
+
 double	specthresh = .3;		/* specular sampling threshold */
 double	specjitter = 1.;		/* specular sampling jitter */
 
@@ -47,6 +52,7 @@ int  maxdepth = 4;			/* maximum recursion depth */
 double	minweight = 1e-2;		/* minimum ray weight */
 
 COLOR  ambval = BLKCOLOR;		/* ambient value */
+int  ambvwt = 0;			/* initial weight for ambient value */
 double	ambacc = 0.2;			/* ambient accuracy */
 int  ambres = 8;			/* ambient resolution */
 int  ambdiv = 32;			/* ambient divisions */