#device x11
device postencap sigma.ps
erase
location 5000 32500 3500 31000
data sigma_0.dat
read {x0 1 y0 2}
data sigma_1.dat
read {x1 1 y1 2}
limits 0 28 0.0 0.1
expand 2.0
box
ptype 3 0
points x0 y0
connect x0 y0
ptype 4 0
points x1 y1
connect x1 y1
expand 2.0
xlabel x
ylabel \sigma
#
set x = 8.0
set y = 0.08
expand 3.0
ptype 3 0
points x y
expand 2.0
relocate 10.0 0.079
label \Lambda = 0   (\Omega = 1.072 ...)
#
set x = 8.0
set y = 0.07
expand 3.0
ptype 4 0
points x y
expand 2.0
relocate 10.0 0.069
label \Lambda = 100 (\Omega = 1.431 ...)
#
relocate 17.5 0.04 
label \sigma_c = 0.1