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root/radiance/ray/src/util/glare.h
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Comparing ray/src/util/glare.h (file contents):
Revision 1.12 by greg, Wed Apr 3 15:43:53 1991 UTC vs.
Revision 2.3 by greg, Sat Feb 22 02:07:30 2003 UTC

# Line 1 | Line 1
1 < /* Copyright (c) 1991 Regents of the University of California */
2 <
3 < /* SCCSid "$SunId$ LBL" */
4 <
1 > /* RCSid: $Id$ */
2   /*
3   * Common data structures for glare source finding routines
4   */
# Line 11 | Line 8
8   #include "color.h"
9   #include "setscan.h"
10  
11 < #define GLAREBR         10.0            /* glare source is this * avg. lum. */
11 > #define GLAREBR         7.0             /* glare source is this * avg. lum. */
12  
13 < #define SAMPDENS        50              /* default samples per unit in image */
13 > #define SAMPDENS        75              /* default samples per unit in image */
14   #define TSAMPSTEP       10              /* sample step to compute threshold */
15  
16 < #define SEPS            2               /* sources this close ==> contig. */
16 > #define SEPS            1               /* sources this close ==> contig. */
17  
18   #define SAMIN           .005            /* minimum solid angle for source */
19   #define MAXBUDDY        (4.*sqrt(SAMIN/PI))     /* max separation for pairing */
20  
21   #define TOOSMALL(s)     ((s)->brt*(s)->dom < threshold*SAMIN)
22  
23 + #define SABIG           .025            /* solid angle of splittable source */
24 + #define LCORR           .12             /* linearity of splittable source */
25 +
26   extern VIEW     ourview;                /* our view */
27   extern VIEW     pictview;               /* picture view */
28   extern VIEW     leftview, rightview;    /* leftmost and rightmost views */
# Line 37 | Line 37 | extern ANGLE   glarang[];              /* glare calculation angles *
37   extern int      nglarangs;
38   extern double   maxtheta;               /* maximum glare angle (in radians) */
39   extern int      hsize;                  /* horizontal size */
40 extern int      hlim;                   /* horizontal limit of central view */
40  
41   #define nglardirs       (2*nglarangs+1)
42   #define vsize           (sampdens-1)
43 < #define h_theta(h)      (-(double)(h)/(double)sampdens)
43 > #define hscale(v)       sqrt((double)(sampdens*sampdens - (v)*(v)))
44 > #define hlim(v)         (int)(maxtheta*hscale(v))
45 > #define h_theta(h,v)    (-(h)/hscale(v))
46  
47   extern struct illum {
48          float   theta;          /* glare direction */
# Line 67 | Line 68 | extern struct source {
68   } *donelist;                    /* finished sources */
69  
70   extern double   getviewpix();
71 + extern double   pixsize();
72  
73   extern long     npixinvw;       /* number of samples in view */
74   extern long     npixmiss;       /* number of samples missing */

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