RegionUnion

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Creates a new Region which is defined as the union of two or more input regions. E.g. if the operation is given a BoundingSphere and a BoundingBox, the output Region will encompass all points that lie within both the BoundingShere AND the BoundingBox.

• Default label: "Region Union"
• Member of plug-in: Mesh
• Catalogue path: Mesh/Regions

Inputs:
Region	Array	CSIRO::Mesh::Region
Outputs:
Region		CSIRO::Mesh::Region