64 |
|
plus the white point, in that order. |
65 |
|
The new primaries will be recorded in the header of the output file, |
66 |
|
so that the original information may be fully recovered later. |
67 |
< |
It is not necessary that the input file by in XYZE format. |
67 |
> |
It is not necessary that the input file be in XYZE format. |
68 |
|
Th |
69 |
|
.I \-r |
70 |
|
option may therefore be used to convert from one RGB primary |
96 |
|
primaries for the chosen output device should be specified with the |
97 |
|
.I \-p |
98 |
|
option if they are known. |
99 |
+ |
.PP |
100 |
+ |
Similar to the |
101 |
+ |
.I ra_rgbe(1) |
102 |
+ |
tool, |
103 |
+ |
.I ra_xyze |
104 |
+ |
silently converts hyperspectral pictures (.hsr) on input, |
105 |
+ |
but does so more accurately (and slowly) than |
106 |
+ |
.I ra_rgbe. |
107 |
|
.SH EXAMPLES |
108 |
|
To convert RGBE output from |
109 |
|
.I rpict(1) |
110 |
|
into run-length encoded XYZE format: |
111 |
|
.IP "" .2i |
112 |
< |
rpict [options] scene.oct | ra_xyze -c > scene_xyz.pic |
112 |
> |
rpict [options] scene.oct | ra_xyze \-c > scene_xyz.hdr |
113 |
|
.PP |
114 |
|
To prepare a RADIANCE picture for display on a calibrated NTSC monitor: |
115 |
|
.IP "" .2i |
116 |
< |
ra_xyze -r -p .670 .330 .210 .710 .140 .080 .333 .333 stand.pic ntsc.pic |
116 |
> |
ra_xyze \-r \-p .670 .330 .210 .710 .140 .080 .333 .333 stand.hdr ntsc.hdr |
117 |
|
.SH AUTHOR |
118 |
|
Greg Ward |
119 |
|
.SH BUGS |
134 |
|
COLORCORR= lines multiplied together.) |
135 |
|
Better still, get the picture before color correction is applied. |
136 |
|
.SH "SEE ALSO" |
137 |
< |
pfilt(1), ra_rgbe(1), rpict(1) |
137 |
> |
pfilt(1), pvalue(1), ra_rgbe(1), rpict(1) |