| 94 |
|
option. |
| 95 |
|
Radiance spectral pictures with more than 3 components are also supported. |
| 96 |
|
These are typically produced by |
| 97 |
< |
.I rtrace(1) |
| 97 |
> |
.I rtpict(1) |
| 98 |
|
or |
| 99 |
|
.I rfluxmtx(1). |
| 100 |
|
.PP |
| 144 |
|
Note that conversion from a float or RGBE color space applies a conversion |
| 145 |
|
of 179 lumens/watt (for CIE or melanopic output) or 412 (for scotopic output), |
| 146 |
|
and the reverse happens for conversion from XYZE input to RGB or RGBE output. |
| 147 |
+ |
Lower case versions of all these components are also supported, the only |
| 148 |
+ |
difference is that the aforementioned efficacy factors |
| 149 |
+ |
will be left out of the conversion. |
| 150 |
|
.PP |
| 151 |
|
If a matrix or picture file path is given to the |
| 152 |
|
.I \-c |
| 198 |
|
goes from 0 to "nrows" minus one, and |
| 199 |
|
.I c |
| 200 |
|
goes from 0 to "ncols" minus one. |
| 201 |
+ |
(Note that "nrows" may be zero if unspecified in inputs, and this |
| 202 |
+ |
is a unique capability of |
| 203 |
+ |
.I rcomb |
| 204 |
+ |
to handle these.)\0 |
| 205 |
|
Component p from input i is accessed with the "ci(i,p)" function, |
| 206 |
|
and the number of components is defined by the "ncomp" constant. |
| 207 |
|
If given as "ci(i)", the function returns the current component |
| 330 |
|
.I rcomb, |
| 331 |
|
and should instead be handled by |
| 332 |
|
.I pfilt(1). |
| 333 |
+ |
.SH BUGS |
| 334 |
+ |
The |
| 335 |
+ |
.I rcomb |
| 336 |
+ |
command currently ignores the "PRIMARIES" setting in input |
| 337 |
+ |
headers, and does not produce any on output, even in |
| 338 |
+ |
circumstances where it would make sense to. |
| 339 |
|
.SH AUTHOR |
| 340 |
|
Greg Ward |
| 341 |
|
.SH "SEE ALSO" |
