| 81 |
|
.I "\-g 0.2 0.2 0.2" |
| 82 |
|
corresponding to a 20% gray. |
| 83 |
|
.PP |
| 84 |
+ |
If there is a sun in the description, |
| 85 |
+ |
.I gendaymtx |
| 86 |
+ |
will include its contribution in the four nearest sky patches, |
| 87 |
+ |
distributing energy according to centroid proximity. |
| 88 |
|
The |
| 89 |
|
.I \-d |
| 90 |
|
option may be used to produce a sun-only matrix, with no sky contributions, |
| 92 |
|
Alternatively, the |
| 93 |
|
.I \-s |
| 94 |
|
option may be used to exclude any direct solar component from the output, |
| 95 |
< |
with the rest of the sky and ground patch unaffected. |
| 92 |
< |
If there is a sun in the description, |
| 93 |
< |
.I gendaymtx |
| 94 |
< |
will include its contribution in the four nearest sky patches, |
| 95 |
< |
distributing energy according to centroid proximity. |
| 95 |
> |
with the other sky and ground patches unaffected. |
| 96 |
|
.PP |
| 97 |
|
The |
| 98 |
|
.I \-u |
