Software

These are open source software projects of ours or academic publications that include their source code.

A standalone C++ 17 implementation of the sky radiance models described in the papers "A Wide Spectral Range Sky Radiance Model" and "A Fitted Radiance and Attenuation Model for Realistic Atmospheres". It contains the model library together with a simple example renderer and a GUI frontend to illustrate how to use it.
Code available
Pepr3D is an intuitive, free, and open-source 3D painting tool for coloring models intended for colorful 3D printing
Code available
SmallUPBP is a small physically based renderer that implements the unified points, beams and paths algorithm described in the paper "Unifying points, beams, and paths in volumetric light transport simulation".
Code available