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Given a set of polygons, returns the label point for each polygon in a SpatialPoints or a sf POINT object.
poly.labels(polys)
SpatialPoints or sf POINT object containing the label point for each polygon, respectively.
A SpatialPolygons or SpatialPolygonsDataFrame or sf -POLYGON or - MULTIPOLYGON object.
SpatialPolygons
SpatialPolygonsDataFrame
sf
Chris Brunsdon, Binbin Lu