#!/bin/bash
cat << EOF > gnutplt
#!/usr/bin/gnuplot
set contour
unset surface
set cntrparam order 4
set cntrparam bspline
set cntrparam levels auto 6
set view map
set size square
set xrange [-30:30]
set yrange [-30:30]
set dgrid3d 20,20,20
set table "contour.txt"
splot '$1' u 1:2:3
unset table
unset contour
set surface
set table "dgrid.txt"
splot '$1' u 1:2:3
unset table
reset
set terminal canvas enhanced mousing size 1024,768 jsdir 'js'
set output "$1.html"
set size square
set xrange [-30:30]
set yrange [-30:30]
set pm3d map
unset key
#set label font ",2"
splot 'dgrid.txt' w pm3d, 'contour.txt' w l lc rgb "black", '$1' u 1:2:3:3 with labels font ",8"
EOF

chmod 755 gnutplt
./gnutplt