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AreaRemove Node

Removes connected regions whose area is below a threshold. The threshold is defined indirectly using a radius parameter, which is converted internally into an equivalent surface. The filter does not operate on a geometric radius directly, but on the area derived from it.

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Category

Terrain Features/Morphology

Inputs

Name Type Description
input VirtualArray Input scalar field or mask in which connected regions are analyzed.

Outputs

Name Type Description
output VirtualArray Output field where regions smaller than the computed area threshold have been removed.

Parameters

Name Type Description
Background Value Float Value considered as background. Regions matching this value are treated as empty and ignored during area evaluation.
Minimum Radius Float Minimum equivalent radius used to compute the area threshold. Internally, this radius is converted to a surface, and regions with an area smaller than this value are removed.

Example

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