set term postscript eps enhanced
set output "plot3d.eps"
set xlabel "Number of Processors (n)"
set ylabel "Parallel Portion (P)"
set pm3d depthorder
set style fill  transparent solid 0.65 border
set palette
set hidden3d
#set view 122, 357, 1.35, 1.08
set view 60, 335
#set palette rgbformulae 33,13,10
f(x)=1.5-4*abs(x)
#set palette model RGB
#set palette functions f(gray-0.75),f(gray-0.5),f(gray-0.25)
splot \
"plot3d.data" using 1:2:3 title "T_1 = 100s" with pm3d