set terminal postscript portrait enhanced color solid size 5,3.5
set output 'fields_propagation_I4.eps'
set dgrid3d 100,100 qnorm 4
set pm3d map
#set contour
set hidden3d
set palette rgb 10,13,31 negative


set xlabel "z (cm)"
set ylabel "t ({/Symbol m}S)"
set zlabel "I_2 (1/S)"
set nokey
#set view map
splot [0:][-0.2:0.2] 'I4.dat'