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Advanced Computer Graphics: Difference between revisions
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* Beer's law <math>T(s)=e^{-sigma_t s}</math> | * Beer's law <math>T(s)=e^{-sigma_t s}</math> | ||
** For homogenous media where <math>\sigma(x) = \sigma</math> is constant | ** For homogenous media where <math>\sigma(x) = \sigma</math> is constant | ||
===Phase Functions=== | |||
====Henyey-Greenstein phase function==== | |||
* <math>p(\cos \theta) = \frac{1-g^2}{4\pi(1+g^2-2g\cos \theta)^{1.5}}</math> | |||
====Properties==== | |||
* Unitless | |||
* Reciprocity | |||
** <math>p(\omega' \rightarrow \omega) = p(\omega \rightarrow \omega')</math> | |||
* Energy conservation | |||
** Integrates to 1 | |||
* Average phase angle determined by g | |||
==Ignore== | ==Ignore== | ||
[[Visible to::users]] | [[Visible to::users]] | ||