| # | Line 555 | Line 555 | though the | |
|---|---|---|
| 555 | .I \-dv | |
| 556 | option (above) may be used to override this. | |
| 557 | .TP | |
| 558 | < | .BR \-R |
| 559 | < | Boolean switch to control random sampling. |
| 558 | > | .BR \-u |
| 559 | > | Boolean switch to control uncorrelated random sampling. |
| 560 | When "off", a low-discrepancy sequence is used, which reduces | |
| 561 | variance but can result in a brushed appearance in specular highlights. | |
| 562 | When "on", pure Monte Carlo sampling is used in all calculations. | |
| – | Removed lines |
| + | Added lines |
| < | Changed lines |
| > | Changed lines |