---
title: "Reference"
canonical: "https://documentation.chaos.com/space/VREVIT/160399672/Reference"
format: markdown
---
This page provides a list of additional references for lighting, shading, and rendering concepts used by V-Ray.


## **Overview**

---

These pages cover some basic concepts regarding physically-based lighting, shading, and rendering. Understanding these concepts will help you use V-Ray tools to their full potential.


## **Reference Topics**

---

The following topics are covered:

- [Sampler ](https://docs-chaos.atlassian.net/wiki/spaces/VREVIT/pages/160825692)- The image sampler refers to an algorithm for calculating a pixel's color based on the colors within and around it
- [Classification of GI Methods](https://docs-chaos.atlassian.net/wiki/spaces/VREVIT/pages/161349893) - The technical details behind various global illumination techniques.
- [V-Ray Material Structure](https://docs-chaos.atlassian.net/wiki/spaces/VREVIT/pages/160956786) - Explains the structure of a basic V-Ray Material.