--- ray/src/hd/rhd_ogl.c	1999/01/05 18:16:17	3.15
+++ ray/src/hd/rhd_ogl.c	1999/07/19 20:15:16	3.18
@@ -22,7 +22,6 @@ static char SCCSid[] = "$SunId$ SGI";
 
 #include "standard.h"
 
-#include <sys/types.h>
 #include <GL/glx.h>
 #include <GL/glu.h>
 #ifdef STEREO
@@ -868,8 +867,8 @@ setglpersp()			/* set perspective view in GL */
 		dev_zmin = odev.v.vfore;
 	if (odev.v.vaft > FTINY)
 		dev_zmax = odev.v.vaft;
-	if (dev_zmin < dev_zmax/100.)
-		dev_zmin = dev_zmax/100.;
+	if (dev_zmin*500. < dev_zmax)
+		dev_zmax = dev_zmin*500.;
 	setzrat();
 	xmax = dev_zmin * tan(PI/180./2. * odev.v.horiz);
 	xmin = -xmax;
@@ -945,7 +944,7 @@ wipeclean()			/* prepare for redraw */
 		viewflags &= ~VWCHANGE;		/* change noted */
 	} else if (viewflags & VWSTEADY)
 		odRedrawAll();
-	setglpersp(&odev.v);		/* reset view & clipping planes */
+	setglpersp();			/* reset view & clipping planes */
 }