def __init__(self, *arg, **kw):
"""GEOSFeature(json_data)
GEOSFeature(geometry, property_name1=value, property_name2=value, ...)
GEOSFeature(geometry, id, property_name1=value, property_name2=value, ...)
GEOSFeature(geometry, id, propertiesdict)
"""
assert len(arg) > 0 and len(arg) <= 3
self.geometry = None
self.properties = {}
self.id = None
if isinstance(arg[0], django.contrib.gis.geos.GEOSGeometry):
self.geometry = arg[0]
else:
obj = symmetricjsonrpc.from_json(arg[0])
if obj['type'].lower() == 'feature':
self.geometry = django.contrib.gis.geos.GEOSGeometry(symmetricjsonrpc.to_json(obj['geometry']))
if 'properties' in obj:
self.properties.update(obj['properties'])
if 'id' in obj:
self.id = obj['id']
else:
self.geometry = django.contrib.gis.geos.GEOSGeometry(arg[0])
if len(arg) > 1:
self.id = arg[1]
if len(arg) > 2:
self.properties.update(arg[2])
self.properties.update(kw)
def json(self):
res = {"type": "Feature",
"geometry": symmetricjsonrpc.from_json(self.geometry.json),
"properties": self.properties}
if self.id is not None:
res['id'] = self.id
return symmetricjsonrpc.to_json(res)
def __init__(self, arg):
"""GEOSFeatureCollection(json_data)
GEOSFeatureCollection([json_data1, json_data2, ...])
GEOSFeatureCollection([feature1, feature2, ...])
"""
self.features = []
if isinstance(arg, (types.ListType, types.TupleType)):
for feature in arg:
if not isinstance(feature, GEOSFeature):
feature = GEOSFeature(feature)
self.features.append(feature)
else:
obj = symmetricjsonrpc.from_json(arg)
assert obj['type'].lower() == "featurecollection"
for feature in obj['features']:
self.features.append(GEOSFeature(symmetricjsonrpc.to_json(feature)))
def json(self):
res = {"type": "FeatureCollection",
"features": [symmetricjsonrpc.from_json(feature.json) for feature in self.features]}
return symmetricjsonrpc.to_json(res)