set term svg size 680,600 enhanced font 'Helvetica,12'
set output 'TaylorCosCosEnhanced.svg'

set multiplot

set cntrparam levels auto 20
set contour base
set isosamples 60,60
set samples 60,60
set xlabel "x"
set ylabel "y"
set zlabel "z"
set xrange [-2*pi:2*pi]
set yrange [-3:3]
set zrange [-40:30]
# Draw the surface
set pm3d
set hidd
set key off
set grid layerdefault linetype -1 linecolor rgb "gray"  linewidth 0.200, linetype -1 linecolor rgb "gray"  linewidth 0.200
set palette defined (-1 "blue", 0 "purple", 1 "red")
i = {0.0,1.0}
splot real(cos(x+y*i))
# Draw the lines
unset cntrparam
unset contour
unset pm3d
unset hidd
set isosamples 20,20
set samples 20,20
splot real(cos(x+y*i)) lt rgb "black"
set view 29,53

unset multiplot
set term x11
set output