18 |
|
#define SWNORM 2.26 /* scotopic/photopic ratio for white */ |
19 |
|
#define WHTSEFFICACY (SWNORM*WHTEFFICACY) |
20 |
|
|
21 |
+ |
#define BotMesopic 5.62e-3 /* top of scotopic range */ |
22 |
+ |
#define TopMesopic 5.62 /* bottom of photopic range */ |
23 |
+ |
|
24 |
|
#define FOVDIA (1.0*PI/180.) /* foveal diameter (radians) */ |
25 |
|
|
26 |
|
#define HISTRES 100 /* histogram resolution */ |
34 |
|
#define Lb1(Bw) exp(Bw) /* first derivative of Lb(Bw) */ |
35 |
|
|
36 |
|
/* Flags of what to do */ |
37 |
< |
#define DO_ACUITY 01 |
37 |
> |
#define DO_ACUITY 01 |
38 |
|
#define DO_VEIL 02 |
39 |
|
#define DO_HSENS 04 |
40 |
|
#define DO_COLOR 010 |
70 |
|
extern double bwmin, bwmax; /* histogram limits */ |
71 |
|
extern double bwavg; /* mean brightness */ |
72 |
|
|
70 |
– |
#define lwhc(L) bwhc(Bl(L)) |
73 |
|
#define bwhc(B) bwhist[(int)(HISTRES*((B)-bwmin)/(bwmax-bwmin))] |
74 |
|
|
75 |
|
extern RGBPRIMP inprims; /* input primaries */ |
84 |
|
extern RESOLU inpres; /* input picture resolution */ |
85 |
|
|
86 |
|
extern char *mbcalfile; /* macbethcal mapping file */ |
85 |
– |
|
86 |
– |
struct mbc { /* data structure for macbethcal conditioning */ |
87 |
– |
float xa[3][6], ya[3][6]; |
88 |
– |
COLORMAT cmat; |
89 |
– |
}; |
87 |
|
|
88 |
|
extern double hacuity(); /* human acuity func. (cycles/deg.) */ |
89 |
|
extern double htcontrs(); /* human contrast sens. func. */ |