pbrt-v4 makes use of the following third-party libraries and data. Thanks to all of the developers who have made these available!
Thanks also to Anders Langlands, who provided the Sensor implementation used in the film model and Syoyo Fujita for the cyhair converter.
pbrt-v4 also includes spectral data from the following sources:
- Glass refractive index tables from https://refractiveindex.info, public domain CC0.
- Camera sensor measurement data from https://github.com/ampas/rawtoaces, Copyright © 2017 Academy of Motion Picture Arts and Sciences.