--- ray/src/util/glare.h	1991/03/19 11:11:18	1.6
+++ ray/src/util/glare.h	1991/03/21 17:11:48	1.10
@@ -6,6 +6,8 @@
  * Common data structures for glare source finding routines
  */
 
+#define DEBUG 1
+
 #include "standard.h"
 #include "view.h"
 #include "color.h"
@@ -18,6 +20,11 @@
 
 #define SEPS		2		/* sources this close ==> contig. */
 
+#define SAMIN		.005		/* minimum solid angle for source */
+#define MAXBUDDY	(4.*sqrt(SAMIN/PI))	/* max separation for pairing */
+
+#define TOOSMALL(s)	((s)->brt*(s)->dom < threshold*SAMIN)
+
 extern VIEW	ourview;		/* our view */
 extern VIEW	pictview;		/* picture view */
 extern VIEW	leftview, rightview;	/* leftmost and rightmost views */
@@ -25,6 +32,8 @@ extern VIEW	leftview, rightview;	/* leftmost and right
 extern int	verbose;		/* verbose reporting */
 extern char	*progname;		/* global argv[0] */
 
+extern double	threshold;		/* threshold value for glare sources */
+
 extern int	sampdens;		/* sample density */
 extern ANGLE	glarang[];		/* glare calculation angles */
 extern int	nglarangs;
@@ -41,7 +50,7 @@ extern struct illum {
 	float	lcos, lsin;	/* cosine and sine to left view */
 	float	rcos, rsin;	/* cosine and sine to right view */
 	double	sum;		/* sum of indirect luminances */
-	int	n;		/* number of values in sum */
+	double	n;		/* number of values in sum */
 } *indirect;		/* array of indirect illuminances */
 
 struct srcspan {