# | Line 4598 | Line 4598 | familiar Gaussian model of MGF. | |
---|---|---|
4598 | The hardest part is translating the specular power to a roughness value. | |
4599 | For this, we recommend the following approximation: | |
4600 | .IP | |
4601 | < | roughness = 0.6/sqrt(specular_power) |
4601 | > | roughness = sqrt(2/specular_power) |
4602 | .LP | |
4603 | It is not a perfect correlation, but it is about as close as one can get. | |
4604 | .NH 3 |
– | Removed lines |
+ | Added lines |
< | Changed lines |
> | Changed lines |