9 |
|
][ |
10 |
|
.B "\-e exposure" |
11 |
|
][ |
12 |
+ |
.B \-o |
13 |
+ |
][ |
14 |
|
.B \-c |
15 |
|
| |
16 |
|
.B \-u |
31 |
|
.I \-e |
32 |
|
option specifies an exposure compensation, which may be given as |
33 |
|
a decimal multiplier or in f-stops (powers of two). |
34 |
+ |
The |
35 |
+ |
.I \-o |
36 |
+ |
option may be used to specify original units, to which the exposure |
37 |
+ |
compensation is applied. |
38 |
+ |
Otherwise, the multiplier is in addition to any previous exposure adjustment. |
39 |
|
By default, |
40 |
|
.I ra_xyze |
41 |
|
produces a flat XYZE RADIANCE picture file from any type of RADIANCE |
51 |
|
.I \-r |
52 |
|
option causes |
53 |
|
.I ra_xyze |
54 |
< |
to produce a run-length encoded RGBE file instead. |
54 |
> |
to produce a run-length encoded RGBE file instead, unless |
55 |
> |
.I \-u |
56 |
> |
is given, also, when it will produce a flat RGBE file. |
57 |
|
The |
58 |
|
.I \-p |
59 |
|
option may be used to override the standard RADIANCE RGB primary |
101 |
|
.I rpict(1) |
102 |
|
into run-length encoded XYZE format: |
103 |
|
.IP "" .2i |
104 |
< |
rpict [options] scene.oct | ra_xyze -c > scene_xyz.pic |
104 |
> |
rpict [options] scene.oct | ra_xyze \-c > scene_xyz.pic |
105 |
|
.PP |
106 |
|
To prepare a RADIANCE picture for display on a calibrated NTSC monitor: |
107 |
|
.IP "" .2i |
108 |
< |
ra_xyze -r -p .670 .330 .210 .710 .140 .080 .333 .333 stand.pic ntsc.pic |
108 |
> |
ra_xyze \-r \-p .670 .330 .210 .710 .140 .080 .333 .333 stand.pic ntsc.pic |
109 |
|
.SH AUTHOR |
110 |
|
Greg Ward |
111 |
|
.SH BUGS |