Circular approximations

geos_largest_empty_circle_spec(geom, boundary, tolerance)

geos_largest_empty_crc(geom, boundary, tolerance)

geos_minimum_bounding_circle(geom)

geos_minimum_bounding_crc(geom)

geos_maximum_inscribed_circle_spec(geom, tolerance)

geos_maximum_inscribed_crc(geom, tolerance)

Arguments

geom: A GEOS geometry vector
boundary: An outer boundary for the largest empty circle algorithm.
tolerance: Threshold for considering circles to be touching a boundary.