Height Blend

Height Blend by Jens Kafitz

The Height Blend Node allows you to blend together two Height/Displacement or Bump maps. It is capable of outputting either

the combined new Height or a Mix Mask that you can use to blend entire materials.

To Materials blended together using a Height Blend Node's Mask Output

Node Overview

Node Ports

The Height Map for the Bottom Layer

The Height Map for the Top Layer

Exclude areas from being affected by the FG Height.

Applies an Offset to the Top Layer Height Map. Overwrites the Height Offset Slider of the Node

Determines the contrast of the Blending Mask generated between Top and Bottom Layer. Overwrites the Contrast Slider of the Node

A combined Height Map from the Bottom and Top Layer

A Mask how the Bottom and Top Layer have been combined that can be used for Material Blending

Node Properties

Applies an Offset to the Top Layer Height Map

Determines the contrast of the Blending Mask generated between Top and Bottom Layer

Determines the algorithm used to combine the two height maps

Will constantly re balance the two height maps to achieve a realistic result

The BG Height will remain unchanged and the FG Height is 'moved' through it.

Applies a simple Opacity to the Mask used to blend the FG Height over the BG Height, meaning the mask will

get more weight added uniformly

You can use a Mask attached to the Mask (optional) Nodeport to exclude areas from

being affected by the FG Height.

The Mask Weight affects the attached Mask or acts against a value of 1.0 if no Mask is attached.

When the Mask Weight is 1.0 or lower it multiplies against the attached Mask or 1.0 if no Mask is attached

When the Mask Weight is larger than one it adds a value to the Mask making the Mask go overall more towards a constant

value of 1.0

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