From Wakapon
(Created page with '== Test == Prout ! File:S4.gif') |
|||
| Line 1: | Line 1: | ||
| − | == | + | == Characteristics of a BRDF == |
| + | |||
| + | As I see it, integration of light alone times <N,L> yields the irradiance: | ||
| + | |||
| + | <math> | ||
| + | I(\mathbf{x}) = \int\limits_{\Omega} L_i(\omega_i) (n.\omega_i) \, d\omega_i | ||
| + | </math> | ||
| + | |||
| + | Integrating the BRDF over the hemisphere of directions must yield a radiance. | ||
| + | |||
| + | |||
| + | == Sources == | ||
| + | |||
| + | I've been reading interesting papers from the Siggraph 2012 talk about '''Practical Physically Based Shading in Film and Game Production''' which is available [http://blog.selfshadow.com/publications/s2012-shading-course/ here] | ||
| + | |||
| + | Some ideas are worth mentioning. | ||
| + | |||
| − | |||
[[File:S4.gif]] | [[File:S4.gif]] | ||
Revision as of 17:13, 25 December 2012
Characteristics of a BRDF
As I see it, integration of light alone times <N,L> yields the irradiance:
<math> I(\mathbf{x}) = \int\limits_{\Omega} L_i(\omega_i) (n.\omega_i) \, d\omega_i </math>
Integrating the BRDF over the hemisphere of directions must yield a radiance.
Sources
I've been reading interesting papers from the Siggraph 2012 talk about Practical Physically Based Shading in Film and Game Production which is available here
Some ideas are worth mentioning.
