| 13 |
|
|
| 14 |
|
#define GLAREBR 10.0 /* glare source is this * avg. lum. */ |
| 15 |
|
|
| 16 |
< |
#define SAMPDENS 50 /* samples per unit in image */ |
| 16 |
> |
#define SAMPDENS 50 /* default samples per unit in image */ |
| 17 |
|
#define TSAMPSTEP 10 /* sample step to compute threshold */ |
| 18 |
|
|
| 19 |
|
#define SEPS 2 /* sources this close ==> contig. */ |
| 20 |
|
|
| 21 |
+ |
#define SAMIN .005 /* minimum solid angle for source */ |
| 22 |
+ |
#define MAXBUDDY (4.*sqrt(SAMIN/PI)) /* max separation for pairing */ |
| 23 |
+ |
|
| 24 |
+ |
#define TOOSMALL(s) ((s)->brt*(s)->dom < threshold*SAMIN) |
| 25 |
+ |
|
| 26 |
|
extern VIEW ourview; /* our view */ |
| 27 |
|
extern VIEW pictview; /* picture view */ |
| 28 |
|
extern VIEW leftview, rightview; /* leftmost and rightmost views */ |
| 30 |
|
extern int verbose; /* verbose reporting */ |
| 31 |
|
extern char *progname; /* global argv[0] */ |
| 32 |
|
|
| 33 |
+ |
extern double threshold; /* threshold value for glare sources */ |
| 34 |
+ |
|
| 35 |
+ |
extern int sampdens; /* sample density */ |
| 36 |
|
extern ANGLE glarang[]; /* glare calculation angles */ |
| 37 |
|
extern int nglarangs; |
| 38 |
|
extern double maxtheta; /* maximum glare angle (in radians) */ |
| 40 |
|
extern int hlim; /* horizontal limit of central view */ |
| 41 |
|
|
| 42 |
|
#define nglardirs (2*nglarangs+1) |
| 43 |
< |
#define vsize SAMPDENS |
| 44 |
< |
#define h_theta(h) ((double)(h)/(double)SAMPDENS) |
| 43 |
> |
#define vsize (sampdens-1) |
| 44 |
> |
#define h_theta(h) (-(double)(h)/(double)sampdens) |
| 45 |
|
|
| 46 |
|
extern struct illum { |
| 47 |
|
float theta; /* glare direction */ |
| 60 |
|
|
| 61 |
|
extern struct source { |
| 62 |
|
FVECT dir; /* source direction */ |
| 63 |
< |
float dom; /* solid angle of source */ |
| 64 |
< |
float brt; /* average source brightness */ |
| 63 |
> |
double dom; /* solid angle of source */ |
| 64 |
> |
double brt; /* average source brightness */ |
| 65 |
|
struct srcspan *first; /* first span for this source */ |
| 66 |
|
struct source *next; /* next source in list */ |
| 67 |
|
} *donelist; /* finished sources */ |
