Zeroaxis

The command set zeroaxis draws the x axis and y axis. It may be removed by set nozeroaxis. The x axis alone may be drawn by set xzeroaxis and removed by set noxzeroaxis. Similar commands behave similarly for the y, x2, and y2 axes.

Syntax:

        set zeroaxis {<linestyle>}
        set xzeroaxis {<linestyle>}
        set yzeroaxis {<linestyle>}
        set x2zeroaxis {<linestyle>}
        set y2zeroaxis {<linestyle>}
        set nozeroaxis
        set noxzeroaxis
        etc.
        show zeroaxis
        show xzeroaxis
        etc.

By default, these options are off. If <linestyle> is not specified, any zero axes selected will be drawn using the axis linetype.

set zeroaxis l is equivalent to set xzeroaxis l; set yzeroaxis l. set nozeroaxis is equivalent to set noxzeroaxis; set noyzeroaxis.