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:

• Adaptive Sampling - Covers the basics of adaptive sampling. V-Ray is an adaptive sampling engine.

• Basic Ray Tracing - The basic concept of ray tracing used throughout V-Ray.

• Classification of GI Methods - The technical details behind various global illumination techniques.

• Displacement Mapping - Explains displacement mapping, a technique for adding geometric detail to surfaces at render time, as implemented by V-Ray.

• Indirect Illumination - A comparison of the global illumination methods offered by V-Ray.

• V-Ray Illumination Relevance Test - A comparison test case of V-Ray results to officially conducted research on illumination validity of other renderers.

• Lighting Analysis with V-Ray Next - A paper exploring the VRayLightMeter helper object and the VRayLightingAnalysis tools for light analysis.

• Metal Shader IOR - Offers a chart with adapted color and IOR values to achieve certain metal looks with V-Ray.

• Glossary - Definitions of technical terms used in V-Ray documentation.