set output './bb_lam_c.ps' 
set term postscript color enhanced 'Helvetica,18'  
set style line 1 lt rgb 'red' lw 3  
set style line 2 lt rgb 'green' lw 3  
set style line 3 lt rgb 'blue' lw 3  
set style line 4 lt rgb 'cyan' lw 3  
set style line 5 lt rgb 'violet' lw 3  
set style line 6 lt rgb 'black' lw 3  
set grid 
set key top right 
set xrange [-6.6:-6.0]  
set yrange [12.5:13.5]  
set xlabel 'Log_{10} (Wavelength [m])  '  
set ylabel 'Log_{10} (Joules per sq.m. per sec per meter)' 
plot 'bb_lam_5800.dat' using 1:4 with lines ls 1  t ''  ,      'bb_lam_5800_opt.dat' every 30 using 1:4 with boxes ls 6  t ''  
set output 
quit 
