| 97 |
|
description to use with the |
| 98 |
|
.I \-av |
| 99 |
|
option of the RADIANCE rendering programs. |
| 100 |
< |
(See rview(1) and rpict(1).) |
| 100 |
> |
(See rvu(1) and rpict(1).) |
| 101 |
|
This value is the cosine-weighted radiance of the sky in |
| 102 |
|
watts/steradian/meter2. |
| 103 |
|
.PP |
| 211 |
|
(Use negative angle for east.) |
| 212 |
|
This is used in the calculation of solar time. |
| 213 |
|
Be sure to give the correct longitude also! |
| 214 |
< |
If solar time is given directly, then this option has no effect. |
| 214 |
> |
If a time zone or solar time is given directly, then this option has no effect. |
| 215 |
|
.SH EXAMPLE |
| 216 |
|
To produce a sunny sky for July 4th at 2:30pm Eastern daylight time at a |
| 217 |
|
site latitude of 42 degrees, 89 degrees west longitude: |
| 227 |
|
.SH AUTHOR |
| 228 |
|
Greg Ward |
| 229 |
|
.SH "SEE ALSO" |
| 230 |
< |
rpict(1), rview(1), xform(1) |
| 230 |
> |
rpict(1), rvu(1), xform(1) |
