| 7 |
|
[ |
| 8 |
|
.B "\-n nprocs" |
| 9 |
|
][ |
| 10 |
+ |
.B \-r |
| 11 |
+ |
][ |
| 12 |
|
.B "\-e expr" |
| 13 |
|
][ |
| 14 |
|
.B "\-f source" |
| 17 |
|
][ |
| 18 |
|
.B "\-b binv" |
| 19 |
|
] |
| 20 |
< |
.B "\-m mod .." |
| 20 |
> |
{ |
| 21 |
> |
.B "\-m mod | \-M file" |
| 22 |
> |
} |
| 23 |
> |
.. |
| 24 |
|
[ |
| 25 |
|
.B $EVAR |
| 26 |
|
] |
| 42 |
|
These modifiers are usually materials associated with |
| 43 |
|
light sources or sky domes, and must directly modify some geometric |
| 44 |
|
primitives to be considered in the output. |
| 45 |
+ |
A modifier list may also be read from a file using the |
| 46 |
+ |
.I \-M |
| 47 |
+ |
option. |
| 48 |
+ |
.PP |
| 49 |
|
The output of |
| 50 |
|
.I rtcontrib |
| 51 |
|
has many potential uses. |
| 68 |
|
If a destination begins with an exclamation mark ('!'), then |
| 69 |
|
a pipe is opened to a command and data is sent to its standard input. |
| 70 |
|
Otherwise, the destination is treated as a file. |
| 71 |
< |
(An existing file of the same name is clobbered.)\0 |
| 71 |
> |
An existing file of the same name is clobbered, unless the |
| 72 |
> |
.I \-r |
| 73 |
> |
option is specified, in which case data recovery is attempted. |
| 74 |
|
If an output specification contains a "%s" format, this will be |
| 75 |
|
replaced by the modifier name. |
| 76 |
|
The |
