490 |
|
(Divide total lumens by 179 lumens/watt to get watts.) |
491 |
|
|
492 |
|
The exposure value may either be given as a positive real value, or |
493 |
< |
as a real value preceeded by a '+' or '-' indicating a positive or |
493 |
> |
as a real value preceded by a '+' or '-' indicating a positive or |
494 |
|
negative number of f-stops (powers of two) from the original value. |
495 |
|
|
496 |
|
If no exposure is given, pfilt will automatically compute the |
707 |
|
the positive Y axis (+Y), the positive Z axis (+Z), the negative |
708 |
|
X axis (-X), the negative Y axis (-Y), or the negative Z axis (-Z). |
709 |
|
|
710 |
< |
This setting may always be overriden by the "-vu xd yd zd" option, |
710 |
> |
This setting may always be overridden by the "-vu xd yd zd" option, |
711 |
|
and will be altered for a particular view if it happens to be |
712 |
|
parallel to the view direction. |
713 |
|
|