Convert polygon string into polygon object
from django.contrib.gis.geos import GEOSGeometry, GEOSException
def convert_polygon(data):
'''
Get the polygon from the array
Convert the polygon in Polygon object
'''
polygon_raw_string = ''
for i in data:
if i in polygon_raw_string:
pass
else:
polygon_raw_string += i
polygon_raw_string += ' , '
polygon_raw_string += data[0]
wkt = "POLYGON(("+polygon_raw_string+"))"
try:
polygon = GEOSGeometry(wkt)
polygon.srid = 4326
except GEOSException:
polygon = None
return polygon
