Re: [Gnuplot-info] change colors of bars, and add small digits

[Ethan A M. <eam...@gm...>]

On Monday, 01 February 2016 03:18:24 AM Emanuel Berg wrote:
> I have a project going on here:
> 
>     http://user.it.uu.se/~embe8573/everest-plot/
> 
> If we focus on this plot:
> 
>     http://user.it.uu.se/~embe8573/everest-plot/early.png
> 
> I'd like to change two things:
> 
>     1) How can I give the bars more different colors?
>        Especially if printed on a black-and-white
>        printer, the bars get too similar. Instead one
>        can be black, and the other white (with
>        a border).

There are many ways you could specify color.
Here is one:
 set linetype 1 linecolor rgb "white"
 set linetype 2 linecolor rgb "black"

To get a border:

 set style fill solid 1.0 border

>     2) How can I add small digits above each bar,
>        saying the number which the bar illustrates?
>        E.g.,
> 
>              3
>           2  |
>           |  |  1
>           |  |  |
>          ---------

See 5th plot of this demo

http://gnuplot.sourceforge.net/demo_svg_5.0/datastrings.html[1] 




> 
> Here is the .gpi file:
> 
> # This file: http://user.it.uu.se/~embe8573/everest-plot/everest.gpi
> 
> set terminal png size 800,600 font "cm-super"
> 
> datastring = sprintf("%s", data)
> 
> set xtics 1 font ",8" rotate by 90
> 
> if (datastring eq "early.dat") {
>     set ytics 1
>     set key left top height 1
>     set title font ",14" "Mount Everest: Framgångsrika bestigningar, dödsfall"
>     set xtics offset 0.2,graph -0.0475
> }
> else {
>     set ytics 20
>     unset key
>     set xtics offset 0.2,graph -0.045
> }
> set ytics font ",6"
> 
> set grid
> 
> set style data histogram
> set style fill solid
> 
> plot for [COL=2:3] datastring using COL:xticlabels(1) title column
> 
> 

-- 


--------
[1] http://gnuplot.sourceforge.net/demo_svg_5.0/datastrings.html