def _tile(cls, data):
t = Tile(data["lat"], data["lon"])
t.bottom = data["substance"][0]
t.layers = [Layer(l["rock"], l["thickness"]) for l in data["substance"][1]]
t.limit()
if data["climate"] is not None:
t.climate = ClimateInfo(
data["climate"]["temperature"], data["climate"]["precipitation"], data["climate"]["koeppen"]
)
else:
t.climate = None
return t