def setexternalfile(self, filename, offset=0):
        """Store the dataset data in an external file.

        Args::

          filename    external file name
          offset      offset in bytes where to start writing in
                      the external file

        Returns::

            None

        C library equivalent : SDsetexternalfile
                                                  """

        status = _C.SDsetexternalfile(self._id, filename, offset)
        _checkErr('setexternalfile', status, 'execution error')
def setexternalfile ( self , filename , offset = 0 ) : status = _C . SDsetexternalfile ( self . _id , filename , offset ) _checkErr ( 'setexternalfile' , status , 'execution error' )
Store the dataset data in an external file.

        Args::

          filename    external file name
          offset      offset in bytes where to start writing in
                      the external file

        Returns::

            None

        C library equivalent : SDsetexternalfile