--- ray/src/hd/rholo4.c	1997/12/16 12:26:04	3.15
+++ ray/src/hd/rholo4.c	1998/05/22 08:30:41	3.18
@@ -13,7 +13,7 @@ static char SCCSid[] = "$SunId$ SGI";
 #include <sys/uio.h>
 
 #ifndef HDSUF
-#define HDSUF	".hdisp"
+#define HDSUF	".hdi"
 #endif
 
 static int	inp_flags;
@@ -53,6 +53,15 @@ char	*dname;
 	if (readinp)
 		close(atoi(fd0));
 	close(atoi(fd1));
+				/* check if outside */
+	if (vdef(OBSTRUCTIONS) && vbool(OBSTRUCTIONS))
+		disp_result(DS_OUTSECT, 0, NULL);
+				/* send eye separation if specified */
+	if (vdef(EYESEP)) {
+		char	fbuf[32];
+		sprintf(fbuf, "%.9e", vflt(EYESEP));
+		disp_result(DS_EYESEP, strlen(fbuf)+1, fbuf);
+	}
 				/* write out hologram grids */
 	for (i = 0; hdlist[i] != NULL; i++)
 		disp_result(DS_ADDHOLO, sizeof(HDGRID), (char *)hdlist[i]);