699 |
|
divided by the given |
700 |
|
.I frac. |
701 |
|
.TP |
702 |
+ |
.BI -cs \ Ns |
703 |
+ |
Use |
704 |
+ |
.I Ns |
705 |
+ |
bands for spectral sampling rather than the default RGB calculation space. |
706 |
+ |
The maximum setting is controlled by the compiler macro MAXCSAMP, and |
707 |
+ |
defaults to 24. |
708 |
+ |
Larger values for Ns will be reduced to MAXCSAMP. |
709 |
+ |
.TP |
710 |
+ |
.BI -cw " nmA nmB" |
711 |
+ |
Set extrema to the given wavelengths for spectral sampling. |
712 |
+ |
The default is 380 and 780 nanometers. |
713 |
+ |
The order specified does not matter. |
714 |
+ |
.TP |
715 |
+ |
.BI -pc " xr yr xg yg xb yb xw yw" |
716 |
+ |
Use the specified chromaticity pairs for output primaries and white |
717 |
+ |
point rather than the standard RGB color space. |
718 |
+ |
.TP |
719 |
+ |
.BR \-pRGB |
720 |
+ |
Output standard RGB values (the default). |
721 |
+ |
.TP |
722 |
+ |
.BR \-pXYZ |
723 |
+ |
Output standard CIE XYZ tristimulus values rather than RGB. |
724 |
+ |
.TP |
725 |
|
.BI -S \ seqstart |
726 |
|
Instead of generating a single picture based only on the view |
727 |
|
parameters given on the command line, this option causes |