--- ray/src/hd/rhinfo.c	1999/01/20 15:16:35	3.3
+++ ray/src/hd/rhinfo.c	2003/06/20 00:25:49	3.7
@@ -1,9 +1,6 @@
-/* Copyright (c) 1998 Silicon Graphics, Inc. */
-
 #ifndef lint
-static char SCCSid[] = "$SunId$ SGI";
+static const char	RCSid[] = "$Id: rhinfo.c,v 3.7 2003/06/20 00:25:49 greg Exp $";
 #endif
-
 /*
  * Get general information on holodeck file
  */
@@ -40,11 +37,10 @@ gethdinfo(fname, fout)		/* get information on holodeck
 char	*fname;
 FILE	*fout;
 {
-	extern long	ftell();
 	FILE	*fp;
 	HOLO	*hdsect;
 	int	fd;
-	int4	nextloc;
+	int32	nextloc;
 	int	n;
 					/* open holodeck file */
 	if ((fp = fopen(fname, "r")) == NULL) {
@@ -60,7 +56,7 @@ FILE	*fout;
 	nextloc = ftell(fp);			/* get stdio position */
 	fclose(fp);				/* done with stdio */
 	for (n = 0; nextloc > 0L; n++) {	/* get the section(s) */
-		lseek(fd, (long)nextloc, 0);
+		lseek(fd, (off_t)nextloc, 0);
 		read(fd, (char *)&nextloc, sizeof(nextloc));
 		fprintf(fout, "Section %d:\n", n);
 		hdsect = hdinit(fd, NULL);	/* load section directory */
@@ -87,10 +83,13 @@ FILE	*fp;
 {
 	int	scount[NHBINS];
 	int	minsamp = 10000, maxsamp = 0;
+	FVECT	vt;
 	double	sqrtmaxp;
 	int	bmin, bmax, cnt;
 	register int	i;
 
+	fcross(vt, hp->xv[0], hp->xv[1]);
+	fprintf(fp, "\tWorld volume:            %g\n", fabs(DOT(vt,hp->xv[2])));
 	fprintf(fp, "\tGrid resolution:         %d x %d x %d\n",
 			hp->grid[0], hp->grid[1], hp->grid[2]);
 	fprintf(fp, "\tNumber of beams:         %ld\n", (long)nbeams(hp));