material-maker/material_maker/doc/node_3d_texture_blend.rst

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Blend node
~~~~~~~~~~
The **Blend** node blends 3D texture two inputs using an optional opacity. It performs a blend operation
defined by the blend mode between both inputs, and mixes the result with the bottom input
using the opacity (defines by the *opacity* parameter, or the optional greyscale input).
.. image:: images/node_3d_texture_blend.png
:align: center
Inputs
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The **Blend** node accepts three inputs:
* The first input is the top layer.
* The second input is the bottom layer.
* The third input is an optional mask that will be use instead of the opacity parameter.
Outputs
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The **Blend** node outputs the result of the blend operation.
Parameters
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The **Blend** node has two parameters:
* The *blend mode*, that can be one of the following: *Normal*, *Multiply*, *Screen*,
*Overlay*, *Hard Light*, *Soft Light*, *Burn*, *Dodge*, *Lighten*, *Darken*, *Difference*.
* The *opacity* used when mixing the result of the blend operation with the bottom input
when the corresponding input is not connected. When connected, the opacity channel is
converted to greyscale and multiplied with that parameter.
Example images
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.. image:: images/node_3d_texture_blend_sample.png
:align: center