#
# Plot of location on globe, 
# this time with labels color-coded by explicit 4th input column
# Requires EAM_DATASTRINGS
#
set dummy u,v
set angles degrees
set parametric
set view 60, 136, 1.22, 1.26
set samples 64,64
set isosamples 13,13
set mapping spherical
unset xtics
unset ytics
unset ztics
set border 0
set title "Labels colored by GeV plotted in spherical coordinate system"
set urange [ -90.0000 : 90.0000 ] noreverse nowriteback
set vrange [ 0.00000 : 360.000 ] noreverse nowriteback
set cblabel "GeV"
set cbrange [0:8]
set colorb vert user size 0.02, 0.75
unset hidden
splot cos(u)*cos(v),cos(u)*sin(v),sin(u) notitle with lines lt 5, \
      'world.dat' notitle with lines lt 2, \
      'srl.dat' using 3:2:(1):1:4 with labels notitle point pt 6 lw .1 left offset 1,0 font "Helvetica,7" tc pal

Click here for minimal script to generate this plot