--- ray/src/gen/mkillum2.c	2007/12/12 05:09:58	2.27
+++ ray/src/gen/mkillum2.c	2007/12/13 07:03:37	2.28
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char	RCSid[] = "$Id: mkillum2.c,v 2.27 2007/12/12 05:09:58 greg Exp $";
+static const char	RCSid[] = "$Id: mkillum2.c,v 2.28 2007/12/13 07:03:37 greg Exp $";
 #endif
 /*
  * Routines to do the actual calculation for mkillum
@@ -392,7 +392,8 @@ my_face(		/* make an illum face */
 		nalt = sqrt(il->sd->nout/PI) + .5;
 		nazi = PI*nalt + .5;
 		redistribute(il->sd, nalt, nazi, u, v, fa->norm, xfm);
-		il->sampdens = nalt*nazi/PI + .5;
+		if (!il->sampdens)
+			il->sampdens = nalt*nazi/PI + .999;
 	}
 				/* write out the face and its distribution */
 	if (average(il, distarr, n)) {
@@ -586,7 +587,8 @@ my_ring(		/* make an illum ring */
 		nalt = sqrt(il->sd->nout/PI) + .5;
 		nazi = PI*nalt + .5;
 		redistribute(il->sd, nalt, nazi, u, v, co->ad, xfm);
-		il->sampdens = nalt*nazi/PI + .5;
+		if (!il->sampdens)
+			il->sampdens = nalt*nazi/PI + .999;
 	}
 				/* write out the ring and its distribution */
 	if (average(il, distarr, n)) {