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Take a GDAL SpatialReference system and add its information to the
`spatial_ref_sys` table of the spatial backend. Doing this enables
database-level spatial transformations for the backend. Thus, this utility
is useful for adding spatial reference systems not included by default with
the backend:
>>> from django.contrib.gis.utils import add_srs_entry
>>> add_srs_entry(3857)
Keyword Arguments:
auth_name:
This keyword may be customized with the value of the `auth_name` field.
Defaults to 'EPSG'.
auth_srid:
This keyword may be customized with the value of the `auth_srid` field.
Defaults to the SRID determined by GDAL.
ref_sys_name:
For SpatiaLite users only, sets the value of the `ref_sys_name` field.
Defaults to the name determined by GDAL.
database:
The name of the database connection to use; the default is the value
of `django.db.DEFAULT_DB_ALIAS` (at the time of this writing, its value
is 'default').
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