material-maker/material_maker/doc/node_3d_texture_fbm.rst

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FBM node
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The **FBM** node outputs a 3D fractional Brownian motion texture.
FBM is obtained by repeating a noise pattern with smaller and smaller details.
.. image:: images/node_3d_texture_fbm.png
:align: center
Inputs
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The **FBM** node does not accept any input.
Outputs
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The **FBM** node provides a greyscale 3D texture.
Parameters
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The FBM node accepts the following parameters:
* the noise type: value noise, fractal noise or cellular noise
* the *X*, *Y* and *Z* scale of the first octave noise
* the number of iterations
* the persistance, i.e. the strength of each subsequent iteration
Example images
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.. image:: images/node_3d_texture_fbm_sample.png
:align: center