Surface

The command set surface controls the display of surfaces by splot.

Syntax:

     set surface
     unset surface
     show surface

The surface is drawn with the style specified by with, or else the appropriate style, data or function.

Whenever unset surface is issued, splot will not draw points or lines corresponding to the function or data file points. Contours may still be drawn on the surface, depending on the set contour option. unset surface; set contour base is useful for displaying contours on the grid base. See also set contour (p. ).