Urange

Syntax: set urange [umin:umax] The range of the parametric variables u and v is useful in two contexts. 1) splot in parametric mode. See set parametric (p. [*]), set isosamples (p. [*]). 2) generating 2-dimension sampled data for either plot or splot using the pseudofile "++". See sampling 2D (p. [*]).