Re: Linked Axes: I need to extract xtics positions.

[Petr M. <mi...@ph...>]

> I'm trying to experiment with 'linked axes' in gnuplot. Rather than 
> delving straight into the code (right away) I first want to test a few 
> things by making a 'linked axes' simple script that controls gnuplot. To 
> make it work, I need to know the positions at which gnuplot will (or has 
> chosen to) place tics marks on the x1 axis. Is is possible to extract this 
> data using gnuplot?

Would it suffice to have GPVAL_X_TICS_FROM, GPVAL_X_TICS_TO, 
GPVAL_Y_TICS_FROM, etc.?

> Alternatively a more general approach: is there a command line function 
> were I can pass in a column of data (text file) upon which it will return 
> the location of where gnuplot with place tic marks? Would such a funciton 
> be simple for anyone here to quickly pull together. It would take me quite 
> a while to get use to the gnuplot code base to do so.

set macros
a=system("echo '1,2,4,8,16,32,64,128,256,512,1024'")  # or cat a file
set xtics (@a)
plot x

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PM