# set terminal pngcairo  transparent enhanced fontscale 1.0 size 600, 400 
# set output 'fit.1.png'
set key bmargin center horizontal Right noreverse enhanced autotitle nobox
set title "data set and initial parameters" 
set trange [ * : * ] noreverse nowriteback
set urange [ * : * ] noreverse nowriteback
set vrange [ * : * ] noreverse nowriteback
set xlabel "Temperature T (°C)" 
set xrange [ * : * ] noreverse writeback
set x2range [ * : * ] noreverse writeback
set ylabel "Density (g/cm^3)" 
set yrange [ * : * ] noreverse writeback
set y2range [ * : * ] noreverse writeback
set zrange [ * : * ] noreverse writeback
set cbrange [ * : * ] noreverse writeback
set rrange [ * : * ] noreverse writeback
set colorbox vertical origin screen 0.9, 0.2 size screen 0.05, 0.6 front  noinvert bdefault
l(x) = y0 + m*x
NO_ANIMATION = 1
myencoding = "utf8"
y0 = 1.1
m = -0.1
## Last datafile plotted: "lcdemo.dat"
plot 'lcdemo.dat', l(x)