--- ray/src/gen/mkillum.h	1991/07/25 10:59:03	1.4
+++ ray/src/gen/mkillum.h	2003/07/14 22:23:59	2.4
@@ -1,17 +1,19 @@
-/* Copyright (c) 1991 Regents of the University of California */
-
-/* SCCSid "$SunId$ LBL" */
-
+/* RCSid: $Id: mkillum.h,v 2.4 2003/07/14 22:23:59 schorsch Exp $ */
 /*
  * Common definitions for mkillum
  */
+#ifndef _RAD_MKILLUM_H_
+#define _RAD_MKILLUM_H_
 
 #include  "standard.h"
-
 #include  "object.h"
-
 #include  "otypes.h"
+#include  "rtprocess.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 				/* illum flags */
 #define  IL_LIGHT	0x1		/* light rather than illum */
 #define  IL_COLDST	0x2		/* use color distribution */
@@ -26,13 +28,21 @@ struct illum_args {
 	char	altmat[MAXSTR];		/* alternate material name */
 	int	sampdens;		/* point sample density */
 	int	nsamps;			/* # of samples in each direction */
+	float	minbrt;			/* minimum average brightness */
 	float	col[3];			/* computed average color */
 };				/* illum options */
 
 struct rtproc {
-	int	pd[3];			/* rtrace pipe descriptors */
+	SUBPROC pd;			/* rtrace pipe descriptors */
 	float	*buf;			/* rtrace i/o buffer */
 	int	bsiz;			/* maximum rays for rtrace buffer */
 	float	**dest;			/* destination for each ray result */
 	int	nrays;			/* current length of rtrace buffer */
 };				/* rtrace process */
+
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* _RAD_MKILLUM_H_ */
+