LIMITS /RGDATA

        [GREG1\]LIMITS [Args . . .] /RGDATA

    Specifies that the current Regular Grid array should be used to  compute
    the  (non-specified) limits, instead of the current column arrays. Loga-
    rithmic conversion formulae are not allowed in this case.  The /BLANKING
    and /VARIABLES options are incompatible with /RGDATA.