def test_center_feature():
f1 = Feature(geometry=Point((-97.522259, 35.4691)))
f2 = Feature(geometry=Point((-97.502754, 35.463455)))
f3 = Feature(geometry=Point((-97.508269, 35.463245)))
feature_collection = FeatureCollection([f1, f2, f3])
feature = center(feature_collection)
assert feature["geometry"]["coordinates"] == [-97.512507, 35.466172]
def define_origin(geojson, origin):
if not origin:
origin = "centroid"
if isinstance(origin, list):
return get_coord(origin)
bb = bbox(geojson)
west = bb[0]
south = bb[1]
east = bb[2]
north = bb[3]
if (origin == "sw" or origin == "southwest" or origin == "westsouth"
or origin == "bottomleft"):
return [west, south]
elif (origin == "se" or origin == "southeast" or origin == "eastsouth"
or origin == "bottomright"):
return [east, south]
elif (origin == "nw" or origin == "northwest" or origin == "westnorth"
or origin == "topleft"):
return [west, north]
elif (origin == "ne" or origin == "northeast" or origin == "eastnorth"
or origin == "topright"):
return [east, north]
elif origin == "center":
return center(geojson)["geometry"]["coordinates"]
elif origin is None or origin == "centroid":
return centroid(geojson)["geometry"]["coordinates"]
else:
raise Exception("invalid origin")
