Hi lifeboard,
Please, no follow-up question that doesn't match the previous one. This will lead to a more challenging search and difficult-to-read forum.
The image that you show can fill books. Suggestion:
The Complete Guide to Photorealism for Visual Effects, Visualization and Games: For Visual Effects, Visualization and Games 1st Edition
by Eran Dinur (Author)
Please one item to discuss at a time, would you mind open a new thread, and I move the new post into your new thread. Thank you!
Open as many threads as you need!
All the best