143 |
|
is specified for an input picture or the |
144 |
|
.I "-fc" |
145 |
|
option is given, the output will be written as a RGBE or XYZE picture. |
146 |
< |
Note that conversion from a float or RGBE color space applies a conversion |
146 |
> |
Note that conversion from a float or RGBE color space applies an efficacy factor |
147 |
|
of 179 lumens/watt (for CIE or melanopic output) or 412 (for scotopic output), |
148 |
< |
and the reverse happens for conversion from XYZE input to RGB or RGBE output. |
148 |
> |
and the inverse happens for conversion from XYZE input to RGB or RGBE output. |
149 |
|
Lower case versions of all these components are also supported, the only |
150 |
< |
difference is that the aforementioned efficacy factors |
151 |
< |
will be left out of the conversion. |
150 |
> |
difference being that the efficacy factors are ignored. |
151 |
|
.PP |
152 |
|
If a matrix or picture file path is given to the |
153 |
|
.I \-c |