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This page contains information about the V-Ray Rock Texture.

Overview

The V-Ray Rock Texture generates a procedural rock pattern using two colors or texture maps.

V-Ray for Houdini > V-Ray Rock > Rock.png

Parameters

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.

Mix Ratio – Controls the mix between Color 1 and Color 2. For more details, please see the Mix Ratio example below.

Grain Size – Controls the size of the fine grain features. For more details, please see the Grain Size example below.

Diffusion – Lower values make the resulting texture sharper, while higher values blur the texture details more. For more details, please see the Diffusion example below.

Wrap – Enables wrapping for the texture.

V-Ray for Houdini > V-Ray Rock > Hou19_VRay6_Rock_Main.png

Example: Grain Size

V-Ray for Houdini > V-Ray Rock > default.png
Grain Size: 0.01

V-Ray for Houdini > V-Ray Rock > Size0.05.png
Grain Size: 0.05

V-Ray for Houdini > V-Ray Rock > Size0.1.png
Grain Size: 0.1

Example: Diffusion

V-Ray for Houdini > V-Ray Rock > Diffusion0.1.png
Diffusion: 0.1

V-Ray for Houdini > V-Ray Rock > Size0.05.png
Diffusion: 1.0

V-Ray for Houdini > V-Ray Rock > Diffusion2.0.png
Diffusion: 2.0

Example: Mix Ratio

V-Ray for Houdini > V-Ray Rock > Ratio0.1.png
Mix Ratio: 0.1

V-Ray for Houdini > V-Ray Rock > Size0.05.png
Mix Ratio: 0.5

V-Ray for Houdini > V-Ray Rock > Ratio0.9.png
Mix Ratio: 0.9

Notes

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.