| 7 |
|
[ |
| 8 |
|
.B "\-pC" |
| 9 |
|
][ |
| 10 |
+ |
.B "{+|-}a" |
| 11 |
+ |
][ |
| 12 |
|
.B "\-g Nlog2" |
| 13 |
|
][ |
| 14 |
|
.B "\-t pctcull" |
| 26 |
|
[ |
| 27 |
|
.B "\-pC" |
| 28 |
|
][ |
| 29 |
+ |
.B "{+|-}a" |
| 30 |
+ |
][ |
| 31 |
|
.B "\-g Nlog2" |
| 32 |
|
][ |
| 33 |
|
.B "\-t pctcull" |
| 55 |
|
option by itself turns off the progress bar, whose length may be set |
| 56 |
|
by an immediately following integer argument. |
| 57 |
|
(The default progress bar length is 79 characters.)\0 |
| 58 |
+ |
.PP |
| 59 |
+ |
The |
| 60 |
+ |
.I \-a |
| 61 |
+ |
option turns off reciprocity averaging for isotropic scattering or anisotropic reflection. |
| 62 |
+ |
Normally on (+a), this ensures that the tensor BRDF obeys Helmholtz reciprocity. |
| 63 |
+ |
However, in certain rare cases, reciprocity averaging can cause unwanted noise in the output. |
| 64 |
|
.PP |
| 65 |
|
The maximum resolution of the tensor tree may be controlled by the |
| 66 |
|
.I \-g |
