| 121 |
|
Orient the "up" direction for the hemisphere using the indicated axis or direction |
| 122 |
|
vector. |
| 123 |
|
.TP |
| 124 |
< |
.BI o =output.mtx |
| 125 |
< |
Send the matrix data for this receiver to the indicated output file. |
| 124 |
> |
.BI o =output_spec |
| 125 |
> |
Send the matrix data for this receiver to the indicated file or command. |
| 126 |
> |
Single or double quotes may be used to contain strings with spaces, and |
| 127 |
> |
commands must begin with an exclamation mark ('!'). |
| 128 |
|
The file format will be determined by the command-line |
| 129 |
|
.I \-fio |
| 130 |
|
option and will include an information header unless the |
| 147 |
|
.I source |
| 148 |
|
primitive is supported as well, and multiple receivers (and multiple output |
| 149 |
|
matrices) may be identified by different modifier names. |
| 150 |
< |
(Make sure that surfaces using the same modifier are grouped together.)\0 |
| 150 |
> |
(Make sure that surfaces using the same modifier are grouped together, |
| 151 |
> |
and that the modifiers are unique and not used elsewhere in the |
| 152 |
> |
scene description.)\0 |
| 153 |
|
Though it may be counter-intuitive, receivers are often light sources, |
| 154 |
|
since samples end up there in a backwards ray-tracing system such as RADIANCE. |
| 155 |
|
When using local geometry, the overall aperture shape should be close to flat. |
| 171 |
|
.SH AUTHOR |
| 172 |
|
Greg Ward |
| 173 |
|
.SH "SEE ALSO" |
| 174 |
< |
genBSDF(1), getinfo(1), rcalc(1), rcollate(1), rcontrib(1), rmtxop(1), |
| 175 |
< |
vwrays(1), wrapBSDF(1) |
| 174 |
> |
genBSDF(1), getinfo(1), rcalc(1), rcollate(1), rcontrib(1), rcrop(1), |
| 175 |
> |
rmtxcomb(1), rmtxop(1), vwrays(1), wrapBSDF(1) |
