def create_geospatial_data_from_geonames_json(self, manifest, json_data):
""" creates and saves geospatial data derived from geonames """
ok = False
coords = ''
lat = False
lon = False
ftype = 'Point'
if 'bbox' in json_data:
ftype = 'Polygon'
east = json_data['bbox']['east']
south = json_data['bbox']['south']
west = json_data['bbox']['west']
north = json_data['bbox']['north']
lat = (south + north) / 2
lon = (east + west) / 2
coordinates = []
cood_inner = []
cood_inner.append([east,
south])
cood_inner.append([east,
north])
cood_inner.append([west,
north])
cood_inner.append([west,
south])
cood_inner.append([east,
south])
coordinates.append(cood_inner)
coords = json.dumps(coordinates,
indent=4,
ensure_ascii=False)
else:
coords = ''
if 'lat' in json_data:
lat = float(json_data['lat'])
if 'lng' in json_data:
lon = float(json_data['lng'])
if lat is not False and lon is not False:
# we have OK coodinates, let's save them
geodata = Geospace()
geodata.uuid = manifest.uuid
geodata.project_uuid = manifest.project_uuid
geodata.source_id = 'geonames-api'
geodata.item_type = manifest.item_type
geodata.feature_id = 1
geodata.meta_type = 'oc-gen:discovey-location'
geodata.ftype = ftype
geodata.latitude = lat
geodata.longitude = lon
geodata.specificity = self.specifity
geodata.coordinates = coords
geodata.note = 'Location data from GeoNames.org'
geodata.save()
ok = True
if ok:
self.new_geodata += 1
output = 'New geodata [' + str(self.new_geodata) + '] ' + str(manifest.label)
output += ' (' + str(manifest.uuid) + ')'
print(output)
return ok
def create_geospatial_data_from_geonames_json(self, manifest, json_data):
""" creates and saves geospatial data derived from geonames """
ok = False
coords = ''
lat = False
lon = False
ftype = 'Point'
if 'bbox' in json_data:
ftype = 'Polygon'
east = json_data['bbox']['east']
south = json_data['bbox']['south']
west = json_data['bbox']['west']
north = json_data['bbox']['north']
lat = (south + north) / 2
lon = (east + west) / 2
coordinates = []
cood_inner = []
cood_inner.append([east, south])
cood_inner.append([east, north])
cood_inner.append([west, north])
cood_inner.append([west, south])
cood_inner.append([east, south])
coordinates.append(cood_inner)
coords = json.dumps(coordinates, indent=4, ensure_ascii=False)
else:
coords = ''
if 'lat' in json_data:
lat = float(json_data['lat'])
if 'lng' in json_data:
lon = float(json_data['lng'])
if lat is not False and lon is not False:
# we have OK coodinates, let's save them
geodata = Geospace()
geodata.uuid = manifest.uuid
geodata.project_uuid = manifest.project_uuid
geodata.source_id = 'geonames-api'
geodata.item_type = manifest.item_type
geodata.feature_id = 1
geodata.meta_type = 'oc-gen:discovey-location'
geodata.ftype = ftype
geodata.latitude = lat
geodata.longitude = lon
geodata.specificity = self.specifity
geodata.coordinates = coords
geodata.note = 'Location data from GeoNames.org'
geodata.save()
ok = True
if ok:
self.new_geodata += 1
output = 'New geodata [' + str(self.new_geodata) + '] ' + str(
manifest.label)
output += ' (' + str(manifest.uuid) + ')'
print(output)
return ok
def make_geo_obj(self, feature_id, lon, lat, coords=False):
geo_obj = Geospace()
geo_obj.uuid = self.project_uuid
geo_obj.project_uuid = self.project_uuid
geo_obj.source_id = 'Project metadata summary'
geo_obj.item_type = 'projects'
geo_obj.feature_id = feature_id
geo_obj.meta_type = 'oc-gen:geo-coverage'
if coords is False:
geo_obj.ftype = 'Point'
geo_obj.coordinates = ''
else:
geo_obj.ftype = 'Polygon'
geo_obj.coordinates = json.dumps(coords, ensure_ascii=False)
geo_obj.latitude = lat
geo_obj.longitude = lon
geo_obj.specificity = 0
geo_obj.note = 'Project geographic coverage \
summarized from geospatial data \
describing subjects published \
with this project.'
return geo_obj
def make_geo_obj(self, feature_id, lon, lat, coords=False):
geo_obj = Geospace()
geo_obj.uuid = self.project_uuid
geo_obj.project_uuid = self.project_uuid
geo_obj.source_id = 'Project metadata summary'
geo_obj.item_type = 'projects'
geo_obj.feature_id = feature_id
geo_obj.meta_type = 'oc-gen:geo-coverage'
if coords is False:
geo_obj.ftype = 'Point'
geo_obj.coordinates = ''
else:
geo_obj.ftype = 'Polygon'
geo_obj.coordinates = json.dumps(coords, ensure_ascii=False)
geo_obj.latitude = lat
geo_obj.longitude = lon
geo_obj.specificity = self.project_specificity
geo_obj.note = 'Project geographic coverage \
summarized from geospatial data \
describing subjects published \
with this project.'
return geo_obj