# set terminal svg size 600,400 dynamic enhanced fname 'arial' fsize 10 mousing name "contours_4" butt solid # set output 'contours.4.svg' set view 60, 30, 0.85, 1.1 set samples 20, 20 set isosamples 21, 21 set contour base set cntrparam levels discrete -75,-50 ,0 set title "3D gnuplot demo - contour plot (at -75, -50, 0)" set xlabel "X axis" set ylabel "Y axis" set zlabel "Z axis" set zlabel offset character 1, 0, 0 font "" textcolor lt -1 norotate splot x*y