def METHOD_NAME(self, card_count):
    ncards = card_count[self.type]
    if ncards:
        self.n = ncards
        float_fmt = self.model.float_fmt
        #: Set identification number
        self.load_id = zeros(ncards, 'int32')
        #: Coordinate system identification number.
        self.coord_id = zeros(ncards, 'int32')
        #: scale factor
        self.scale = zeros(ncards, float_fmt)
        self.N = zeros((ncards, 3), float_fmt)
        self.mb = zeros(ncards, 'int32')