55 |
|
Otherwise, the exposure specification is interpreted as a |
56 |
|
linear compensation value in integer f-stops, which must |
57 |
|
be proceeded by a '+' or '-'. |
58 |
< |
If tone-mapping is applied, then CRT output |
59 |
< |
primaries may also be specified with the |
58 |
> |
The CRT color output primaries may be specified with the |
59 |
|
.I \-p |
60 |
|
option. |
61 |
|
.PP |
74 |
|
either forward or reverse conversion so that an output file may be |
75 |
|
specified. |
76 |
|
If the BMP input is taken from the standard input or sent to the |
77 |
< |
standard output, then the scanlines may be reversed from their |
78 |
< |
usual ordering. |
79 |
< |
This sometimes causes difficulties for programs attempting |
77 |
> |
standard output without tone-mapping, then the scanlines may |
78 |
> |
be reversed from their usual ordering. |
79 |
> |
Scanlines are also reversed when output to a BMP file without |
80 |
> |
tone-mapping using the grayscale option. |
81 |
> |
Reversed scanlines sometimes causes difficulties for programs attempting |
82 |
|
to interpret the resulting RADIANCE picture or BMP image, which |
83 |
|
may be rejected or displayed inverted. |
84 |
|
.SH AUTHOR |