| 571 |
|
.TP |
| 572 |
|
.BI -lr \ N |
| 573 |
|
Limit reflections to a maximum of |
| 574 |
< |
.I N. |
| 574 |
> |
.I N, |
| 575 |
> |
if N is a positive integer. |
| 576 |
|
If |
| 577 |
|
.I N |
| 578 |
|
is zero, then Russian roulette is used for ray |
| 580 |
|
.I -lw |
| 581 |
|
setting (below) must be positive. |
| 582 |
|
If N is a negative integer, then this sets the upper limit |
| 583 |
< |
of reflections past which Russian roulette will not be used. |
| 583 |
> |
of reflections past which Russian roulette will be used. |
| 584 |
|
In scenes with dielectrics and total internal reflection, |
| 585 |
|
a setting of 0 (no limit) may cause a stack overflow. |
| 586 |
|
.TP |
| 797 |
|
The default is to print warnings, so the first appearance of |
| 798 |
|
this option turns them off. |
| 799 |
|
.SH EXAMPLE |
| 800 |
< |
rpict \-vp 10 5 3 \-vd 1 \-.5 0 scene.oct > scene.pic |
| 800 |
> |
rpict \-vp 10 5 3 \-vd 1 \-.5 0 scene.oct > scene.hdr |
| 801 |
|
.PP |
| 802 |
< |
rpict \-S 1 \-o frame%02d.pic scene.oct < keyframes.vf |
| 802 |
> |
rpict \-S 1 \-o frame%02d.hdr scene.oct < keyframes.vf |
| 803 |
|
.SH ENVIRONMENT |
| 804 |
|
RAYPATH the directories to check for auxiliary files. |
| 805 |
|
.SH FILES |
