| 254 |
|
described in the |
| 255 |
|
.I rcalc(1) |
| 256 |
|
man page. |
| 257 |
< |
Like |
| 258 |
< |
.I rcalc, |
| 257 |
> |
Like the other rendering tools, |
| 258 |
|
.I rcontrib |
| 259 |
< |
will search the RADIANCE library directories for each file given in a |
| 259 |
> |
will search the |
| 260 |
> |
.I RAYPATH |
| 261 |
> |
library directories for each file given in a |
| 262 |
|
.I \-f |
| 263 |
|
option. |
| 264 |
+ |
However, a special evaluation context is set for the |
| 265 |
+ |
.I \-f |
| 266 |
+ |
and |
| 267 |
+ |
.I \-e |
| 268 |
+ |
definitions, so attach a back-quote ('`') to variable and function names |
| 269 |
+ |
you wish these to apply at the global evaluation level and used by all |
| 270 |
+ |
materials and modifiers during rendering. |
| 271 |
|
.PP |
| 272 |
|
If no |
| 273 |
|
.I \-o |
