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from django.db.models.manager import Manager
from django.contrib.gis.db.models.query import GeoQuerySet
class GeoManager(Manager):
"Overrides Manager to return Geographic QuerySets."
# This manager should be used for queries on related fields
# so that geometry columns on Oracle and MySQL are selected
# properly.
use_for_related_fields = True
def get_query_set(self):
return GeoQuerySet(model=self.model)
def area(self, *args, **kwargs):
return self.get_query_set().area(*args, **kwargs)
def centroid(self, *args, **kwargs):
return self.get_query_set().centroid(*args, **kwargs)
def difference(self, *args, **kwargs):
return self.get_query_set().difference(*args, **kwargs)
def distance(self, *args, **kwargs):
return self.get_query_set().distance(*args, **kwargs)
def envelope(self, *args, **kwargs):
return self.get_query_set().envelope(*args, **kwargs)
def extent(self, *args, **kwargs):
return self.get_query_set().extent(*args, **kwargs)
def gml(self, *args, **kwargs):
return self.get_query_set().gml(*args, **kwargs)
def intersection(self, *args, **kwargs):
return self.get_query_set().intersection(*args, **kwargs)
def kml(self, *args, **kwargs):
return self.get_query_set().kml(*args, **kwargs)
def length(self, *args, **kwargs):
return self.get_query_set().length(*args, **kwargs)
def make_line(self, *args, **kwargs):
return self.get_query_set().make_line(*args, **kwargs)
def mem_size(self, *args, **kwargs):
return self.get_query_set().mem_size(*args, **kwargs)
def num_geom(self, *args, **kwargs):
return self.get_query_set().num_geom(*args, **kwargs)
def num_points(self, *args, **kwargs):
return self.get_query_set().num_points(*args, **kwargs)
def perimeter(self, *args, **kwargs):
return self.get_query_set().perimeter(*args, **kwargs)
def point_on_surface(self, *args, **kwargs):
return self.get_query_set().point_on_surface(*args, **kwargs)
def scale(self, *args, **kwargs):
return self.get_query_set().scale(*args, **kwargs)
def svg(self, *args, **kwargs):
return self.get_query_set().svg(*args, **kwargs)
def sym_difference(self, *args, **kwargs):
return self.get_query_set().sym_difference(*args, **kwargs)
def transform(self, *args, **kwargs):
return self.get_query_set().transform(*args, **kwargs)
def translate(self, *args, **kwargs):
return self.get_query_set().translate(*args, **kwargs)
def union(self, *args, **kwargs):
return self.get_query_set().union(*args, **kwargs)
def unionagg(self, *args, **kwargs):
return self.get_query_set().unionagg(*args, **kwargs)
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