This method overrides django.contrib.gis.geos.geometry.GEOSGeometryBase.__init__.
* strings: - WKT - HEXEWKB (a PostGIS-specific canonical form) - GeoJSON (requires GDAL) * buffer: - WKB The `srid` keyword specifies the Source Reference Identifier (SRID) number for this Geometry. If not provided, it defaults to None.
This method is overriden in: