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Select

Picks A or B depending on whether Control sits above or below Threshold. Leave Falloff at 0 for a hard switch; raise it to fade across the boundary instead.

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Select node

The Select node

When to use it

Chooses between A and B depending on whether Control sits above or below Threshold, with Falloff blending the changeover instead of switching hard.

This is the node for blending biomes or materials by height, slope or noise, because the falloff removes the seam that If and Branch leave behind.

Falloff is measured in whatever units Control is in, and the blend band runs from Threshold minus Falloff to Threshold plus Falloff. A falloff of 1 on a control that only ranges 0 to 1 blends across the entire range, and the threshold stops meaning anything at all.

Pins

Pin Type Description
A Number What you get when Control is above the Threshold.
B Number What you get when Control is below the Threshold.
Control Number The value being tested.
Threshold Number The line Control gets measured against.
Falloff Number How wide the fade around the threshold runs. 0 gives a hard switch.
Pin Type Description
Result Number A or B, with a fade between them when Falloff is above 0.

Available in Mesh Morpher Graph and Mesh Morpher Studio.