Re: [Gnuplot-info] Plot questions

[Thomas S. <t.s...@fz...>]

joachim heintz wrote:
> 
> Thanks a lot for your help. The palette is working now. Unfortunately  
> I have now a large color palette on the right side of my plot. How can  
> I get rid of it?
> 

'unset colorbox'
see
http://www.gnuplot.info/docs/node167.html


joachim heintz wrote:
> 
> And until now I couldn't find a way to show my first column as a  
> label. Something like 'set label $1' - but what is the correct syntax  
> for it?
> 

to get a data value as a key - within one plot command - first do
a dummy plot to get this data value into a variable, and then use
this variable for the 'title' of the next plot:

plot "myfile.txt" every ::1::1 using (my_key=sprintf("%d",$1),0/0):(0/0)
notitle, \
"" every ::1::1 using 3:2 with imp title my_key linecolor palette frac 0.0,
\
"" every ::1::1 using 6:5 with imp notitle palette frac 0.1, \
...

to get this data value as a label is a little more complicated because
you need to do a complete dummy plot (e.g. into a 'dumb' terminal),
then define the label, and afterward do the real plot:

set terminal push
set terminal dumb
plot "myfile.txt" every ::1::1 (my_key=sprintf("%d",$1),0/0):(0/0)
set label 1 my_key at ...
set terminal pop
set output "output_filename"
plot "myfile.txt" every ::1::1 using 3:2 with imp notitle linecolor palette
frac 0.0, \
"" every ::1::1 using 6:5 with imp notitle palette frac 0.1 notitle, \
...


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