set term table set xrange [0. : 50 ] set yrange [0. : 50 ] set zrange [-500 : 1000 ] set xtics 10 set ytics 10 set mxtics 2 set mytics 2 set nosurface set cont set view 0,0 set ticslevel 0 set cntrparam levels auto 10 set output "covar.tbl" splot "covar.dat" u ($1/10):($2/10):3 notitle w line set term postscript eps enhanced color solid set size sq 0.7,0.7 set zero 1e-20 set key screen 0.60, screen 0.65 set pointsize 0.6 set tmargin 1 set mxtics 5 set mytics 5 set xtics 10 set ytics 10 set xrange [ 0 : 50 ] set yrange [ 0 : 50 ] set xlabel "Energy [keV]" set ylabel "Energy [keV]" set linestyle 1 lt 1 lw 1 set linestyle 2 lt 2 lw 1 set linestyle 3 lt 3 lw 1 set linestyle 4 lt 4 lw 1 pt 4 set linestyle 5 lt 5 lw 1 pt 5 set linestyle 6 lt 6 lw 1 pt 6 set linestyle 7 lt 7 lw 1 pt 7 set output "covar.eps" plot "covar.tbl" i 0:0 u 1:2 ti "1000" w l ls 1, \ "covar.tbl" i 1:1 u 1:2 ti "800" w l ls 2, \ "covar.tbl" i 2:2 u 1:2 ti "600" w l ls 3, \ "covar.tbl" i 3:3 u 1:2 ti "400" w l ls 4, \ "covar.tbl" i 4:4 u 1:2 ti "200" w l ls 5, \ "covar.tbl" i 5:5 u 1:2 ti "0" w l ls 6, \ "covar.tbl" i 6:6 u 1:2 ti "-200" w lp ls 7, \ "covar.tbl" i 7:7 u 1:2 ti "-400" w lp ls 6, \ "covar.tbl" i 8:8 u 1:2 ti "-600" w lp ls 5, \ "covar.tbl" i 9:9 u 1:2 ti "-800" w lp ls 4 pause -1