def METHOD_NAME(self, card_count):
    ncards = card_count[self.type]
    if ncards:
        self.n = ncards
        float_fmt = self.model.float_fmt
        self.property_id = zeros(ncards, 'int32')
        #: Material ID
        self.material_id = zeros(ncards, 'int32')
        self.thickness = zeros(ncards, float_fmt)
        self.nsm = zeros(ncards, float_fmt)
        self.f1 = zeros(ncards, float_fmt)
        self.f2 = zeros(ncards, float_fmt)