| 121 |
|
.I \-c |
| 122 |
|
set to zero. |
| 123 |
|
.PP |
| 124 |
+ |
Output flushing at fixed intervals may be enabled with the |
| 125 |
+ |
.I \-x |
| 126 |
+ |
option, which specifies the number of records |
| 127 |
+ |
(-c accumulations) before each flush. |
| 128 |
+ |
If the |
| 129 |
+ |
.I \-y |
| 130 |
+ |
option is also set, then periodic flushing is disabled and the |
| 131 |
+ |
output size for an RGB image is the taken from the x and y dimensions. |
| 132 |
+ |
In lieu of periodic flushing, a flush may be forced as mentioned above |
| 133 |
+ |
by sending a sample with a zero direction vector, although you |
| 134 |
+ |
must still send a full record of rays before output occurs. |
| 135 |
+ |
.PP |
| 136 |
|
If progress reports are desired, the |
| 137 |
|
.I \-t |
| 138 |
|
option specifies a time interval in seconds for reports sent to |
| 139 |
|
standard error. |
| 140 |
+ |
This requires that the number of input samples is known, meaning a |
| 141 |
+ |
.I \-y |
| 142 |
+ |
parameter has been specified. |
| 143 |
|
.PP |
| 144 |
|
The output of |
| 145 |
|
.I rcontrib |
