Shape Select node
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The **Shape Select** node merges two 3D textures by assigning all samples to its first
input except those that are outside the input selection shape.

.. image:: images/node_3d_texture_select_shape.png
	:align: center

Inputs
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The **Shape Select** node accepts two 3D texture inputs:

* the default texture, used for all samples that are inside the selection shape
* the selected texture that is assigned to all samples that are outside the selection shape
* the shape where the first input is applied

Outputs
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The **Shape Select** node generates a merged 3D texture.

Parameters
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The **Shape Select** node accepts a smoothness parameter that defines the withd of the area
where both textures are mixed.
