--- ray/src/rt/srcdraw.c	2004/03/30 16:13:01	2.11
+++ ray/src/rt/srcdraw.c	2004/09/02 16:02:56	2.13
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char	RCSid[] = "$Id: srcdraw.c,v 2.11 2004/03/30 16:13:01 schorsch Exp $";
+static const char	RCSid[] = "$Id: srcdraw.c,v 2.13 2004/09/02 16:02:56 greg Exp $";
 #endif
 /*
  * Draw small sources into image in case we missed them.
@@ -299,8 +299,12 @@ sourcepoly(			/* compute image polygon for source */
 	register int	i, j;
 
 	if (s->sflags & (SDISTANT|SFLAT)) {
-		if (s->sflags & SDISTANT && ourview.type == VT_PAR)
-			return(0);		/* all or nothing case */
+		if (s->sflags & SDISTANT) {
+			if (ourview.type == VT_PAR)
+				return(0);	/* all or nothing case */
+			if (s->srad >= 0.05)
+				return(0);	/* should never be a problem */
+		}
 		if (s->sflags & SFLAT) {
 			for (i = 0; i < 3; i++)
 				ap[i] = s->sloc[i] - ourview.vp[i];
@@ -451,11 +455,13 @@ drawsources(
 					continue;	/* missed/blocked */
 							/* modify pixel */
 				if (zbf[y-y0] != NULL &&
-						sr.rt < 0.99*zbf[y-y0][x-x0])
+						sr.rt < 0.99*zbf[y-y0][x-x0]) {
 					zbf[y-y0][x-x0] = sr.rt;
-				else if (!bigdiff(sr.rcol, pic[y-y0][x-x0],
-						0.01))	/* source sample */
-					setcolor(pic[y-y0][x-x0], 0., 0., 0.);
+				} else if (!bigdiff(sr.rcol, pic[y-y0][x-x0],
+						0.01)) { /* source sample */
+					scalecolor(pic[y-y0][x-x0], w);
+					continue;
+				}
 				scalecolor(sr.rcol, w);
 				scalecolor(pic[y-y0][x-x0], 1.-w);
 				addcolor(pic[y-y0][x-x0], sr.rcol);