#
# plot exp(z)
# usage: gnuplot this.file
#
set hidden3d
#set pm3d
set isosamples 29
set parametric
pi = atan(1) * 4
set urange [-2:2]
set vrange [-pi * 2:pi * 2]
r(u,v) = exp(u) * cos(v)
i(u,v) = exp(u) * sin(v)
splot u + i(u, v) / 2, v + i(u, v) / 2, r(u, v) + i(u, v) / 2
pause -1 "Hit return"