Blog

Some blogs of math related to computer graphics, games. Some random thoughts.

• Change of Variable for the Surface Delta Distribution

  Dirac distribution is important. It connects micro-level information with the statistical macro level of information. It shows up a lot in papers on microfacet distributions. This blog walks through the common change-of-variables technique for the delta function, which is often glossed over. It is arguably the most important use case for the delta function.

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