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root/Development/ray/src/px/pcond.h
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Comparing ray/src/px/pcond.h (file contents):
Revision 3.6 by greg, Wed Feb 5 16:08:16 1997 UTC vs.
Revision 3.8 by gwlarson, Mon Feb 9 13:22:26 1998 UTC

# Line 1 | Line 1
1 < /* Copyright (c) 1997 Regents of the University of California */
1 > /* Copyright (c) 1998 Silicon Graphics, Inc. */
2  
3 < /* SCCSid "$SunId$ LBL" */
3 > /* SCCSid "$SunId$ SGI" */
4  
5   /*
6   * Header file for picture file conditioning.
# Line 25 | Line 25
25  
26   #define HISTRES         100             /* histogram resolution */
27  
28 < #define LMIN            1e-4            /* minimum visible world luminance */
28 > #define LMIN            1e-7            /* minimum visible world luminance */
29   #define LMAX            1e5             /* maximum visible world luminance */
30  
31   #define Bl(Lw)          log(Lw)         /* brightness function */
# Line 47 | Line 47
47   extern int      what2do;                /* desired adjustments */
48  
49   extern double   ldmax;                  /* maximum output luminance */
50 < extern double   ldmin;                  /* minimum output luminance */
51 < extern double   Bldmin, Bldmax;         /* Bl(ldmin) and Bl(ldmax) */
50 > extern double   lddyn;                  /* display dynamic range */
51 > extern double   Bldmin, Bldmax;         /* Bl(ldmax/lddyn) and Bl(ldmax) */
52  
53   extern char     *progname;              /* global argv[0] */
54  
# Line 60 | Line 60 | extern double  inpexp;                 /* input exposure value */
60  
61   #define plum(clr)       ((*lumf)(clr,0)/inpexp)
62   #define slum(clr)       ((*lumf)(clr,1)/inpexp)
63 +
64 + #define ldmin           (ldmax/lddyn)
65  
66   extern COLOR    *fovimg;                /* foveal (1 degree) averaged image */
67   extern short    fvxr, fvyr;             /* foveal image resolution */

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