I worked with Ian on lighting tools, and he delighted in sharing his knowledge of lighting, software, and engineering. Here is the book with a copy of the incl

I worked with Ian on lighting tools, and he delighted in sharing his knowledge of lighting, software, and engineering. Here is the book with a copy of the included source code. https://www.gully.org/uxb/Ashdown_Radiosity.zip https://www.gully.org/uxb/Ashdown_Radiosity.zip