This page contains information about the V-Ray Rock Texture in V-Ray for Modo.
The V-Ray Rock Texture generates a procedural rock pattern using two colors or texture maps.
UI Path: ||Shading viewport|| > Shader Tree > Add Layer button > V-Ray Textures Procedural > V-Ray Rock
Color 1 – Controls the first of the two colors used by the V-ray Rock procedural.
Color 2 – Controls the second of the two colors used by the V-ray Rock procedural.
Grain Size – Controls the size of the fine grain features. For more details, please see the Grain Size example below.
Diffusion – Lower values will make the resulting texture sharper, while higher values will blur the texture details more. For more details, please see the Diffusion example below.
Mix Ratio – Controls the mix between Color 1 and Color 2. For more details, please see the Mix Ratio example below.
Example: Grain Size
Grain Size: 0.01
Grain Size: 0.05
Grain Size: 0.1
Example: Mix Ratio
Mix Ratio: 0.1
Mix Ratio: 0.5
Mix Ratio: 0.9
If V-Ray Rock textures are combined, diffusion can be used to provide a large detail coloring in one instance of V-Ray Rock texture and finer details provided with another. If black and white values are used then this could be a great way to generate realistic bump maps.