Zone

A geometric region. Returned by: WeatherReport.coverage() and WeatherEventForecast.corridor()

Method	Returns	Meaning
`.intersect(other)`	Zone	Geometry shared by both zones
`.union(other)`	Zone	Everything covered by either
`.subtract(other)`	Zone	Remove the other zone’s geometry from this one
`.diff(other)`	Zone	Geometry present in exactly one of the two
`.center()`	[x, y] or `None`	Centroid in meters (`None` for an empty zone). Describes visible storm geometry, not the hidden aftermath
`.area()`	number	Covered area in m²
`.contains(x, y)`	boolean	Point inside the zone
`.is_empty()`	boolean	Zone covers nothing

See also