| 139 |
|
In the receiver file, the |
| 140 |
|
.I source |
| 141 |
|
primitive is supported as well, and multiple receivers (and multiple output |
| 142 |
< |
matrices) are identified by different modifier names. |
| 142 |
> |
matrices) may be identified by different modifier names. |
| 143 |
> |
(Make sure that surfaces using the same modifier are grouped together.)\0 |
| 144 |
|
Though it may be counter-intuitive, receivers are often light sources, |
| 145 |
|
since samples end up there in a backwards ray-tracing system such as RADIANCE. |
| 146 |
|
When using local geometry, the overall aperture shape should be close to flat. |
