@property<EOL><INDENT>def srid(self):<DEDENT>
epsg_id = (self.GetAuthorityCode('<STR_LIT>') or<EOL>self.GetAuthorityCode('<STR_LIT>'))<EOL>try:<EOL><INDENT>return int(epsg_id)<EOL><DEDENT>except TypeError:<EOL><INDENT>return<EOL><DEDENT>
Returns the EPSG ID as int if it exists.