--- ray/src/gen/mkillum.c	1991/07/25 14:50:03	1.8
+++ ray/src/gen/mkillum.c	1991/07/30 16:24:42	1.10
@@ -18,6 +18,7 @@ static char SCCSid[] = "$SunId$ LBL";
 #define  SAMPDENS	48		/* points per projected steradian */
 #define  NSAMPS		32		/* samples per point */
 #define  DFLMAT		"illum_mat"	/* material name */
+#define  DFLDAT		"illum"		/* data file name */
 				/* selection options */
 #define  S_NONE		0		/* select none */
 #define  S_ELEM		1		/* select specified element */
@@ -36,7 +37,7 @@ struct rtproc	rt;		/* our rtrace process */
 struct illum_args  thisillum = {	/* our illum and default values */
 		0,
 		DFLMAT,
-		DFLMAT,
+		DFLDAT,
 		0,
 		VOIDID,
 		SAMPDENS,
@@ -89,6 +90,7 @@ char	*argv[];
 	rtargv[rtargc] = NULL;
 				/* just asking for defaults? */
 	if (!strcmp(argv[gargc-1], "-defaults")) {
+		printopts(); fflush(stdout);
 		rtpath = getpath(rtargv[0], getenv("PATH"), X_OK);
 		if (rtpath == NULL) {
 			eputs(rtargv[0]);
@@ -256,6 +258,7 @@ char	*nm;
 				break;
 			if (!*++cp) {
 				strcpy(thisillum.datafile,thisillum.matname);
+				thisillum.dfnum = 0;
 				thisillum.flags &= ~IL_DATCLB;
 				continue;
 			}
@@ -363,6 +366,16 @@ char	*nm;
 	}
 						/* print pure comment */
 	printf("# %s", s+2);
+}
+
+
+printopts()			/* print out option default values */
+{
+	printf("m=%s\t\t\t# material name\n", thisillum.matname);
+	printf("f=%s\t\t\t# data file name\n", thisillum.datafile);
+	printf("c=n\t\t\t\t# color none\n");
+	printf("d=%d\t\t\t\t# density of points\n", thisillum.sampdens);
+	printf("s=%d\t\t\t\t# samples per point\n", thisillum.nsamps);
 }