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Adds or updates a point in a collection of points
Inputs
GeometryCollection
usually a points collection
Point(s)
a point or collection of
Parameters
Index
setting on the parameters page sets which point in the
collection will be replaced. If the Index is set to 3 then the third point in the
collection will be replaced. If the Index is set to 3 and a third
point does not exist then the point will be added to the collection
Al items are added