Re: [Gnuplot-info] how to set xtics using character strings saved in a file

[Jon <dev...@gm...>]

Thanks so much for your detailed explanation! And, I just learned of the
dumb terminal, and I find it so cute!

Jon


On Fri, Nov 19, 2010 at 2:36 AM, Thomas Sefzick <t.s...@fz...>wrote:

>
> you need a dummy plot to set the xtics string.
>
> (1):
> $0 is the line number in the data set
> there must be no comma at the beginning of the xtics string,
> that's the reason for the 'do nothing' (here: copy t onto itself)
> for '$0==0'
>
> (2):
> no, the alternative is t=t.","
> the ternary operator ends at the comma.
> yes
>
> (3):
> it's good for a meaningless plot without warnings
>
> (4):
> yes
> no, we have to plot something, either into a table
> or into the 'dumb' terminal.
>
> a 'plot nothing' would be something like
> plot ... using (...):0/0 ...
> but this would give a warning about 'empty range' or so.
>
>
> bsmile wrote:
> >
> > Thank you very much for your interesting code! But the interpretation on
> > the
> > code is a bit beyond my capability. Here are some questions and I would
> be
> > very glad if there are further explanations.
> >
> > (1) what is $0? I only know there is $1,$2, ...
> >
> > (2) is     t=t."," , t=t." '".stringcolumn(2)."' ".stringcolumn(1) , $1
> > the other alternative for $0==0?
> >
> > Does t=t."," , t=t." '".stringcolumn(2)."' ".stringcolumn(1) , $1
> actually
> > mean three separate commands?
> > t=t."," ,
> > t=t." '".stringcolumn(2)."' ".stringcolumn(1) ,
> > $1
> >
> > (3) What's the use of the final $1 in the above command? It does not help
> > building t, so does it just help to set up the table?
> >
> > (4) Actually the purpose of set table is to construct the macro t, is it?
> > If
> > the case, is there way to suppress the creation of the table? I mean, can
> > there be no output except for generating t?
> >
> > Sincerely,
> > Jon
> >
> >
> >
> > On Thu, Nov 18, 2010 at 1:58 PM, Thomas Sefzick
> > <t.s...@fz...>wrote:
> >
> >>
> >> set macro
> >> set table
> >> t="("
> >> plot 'aaa.txt' using ($0==0?t=t:t=t."," , t=t." '".stringcolumn(2)."'
> >> ".stringcolumn(1) , $1):3
> >> t=t.")"
> >> unset table
> >> set xtics @t
> >> plot 'aaa.txt' using 1:3
> >>
> >> pause -1
> >>
> >> set table
> >> t="("
> >> plot 'aaa.txt' using ($0==0?t=t:t=t."," , t=t."
> >> '".stringcolumn(1)."\n".stringcolumn(2)."' ".stringcolumn(1) , $1):3
> >> t=t.")"
> >> unset table
> >> set xtics @t
> >> set bmargin 3
> >> plot 'aaa.txt' using 1:3
> >>
> >>
> >> bsmile wrote:
> >> >
> >> > Hello,
> >> >
> >> > Suppose I have the following data file, aaa.txt,
> >> >
> >> > 1  A   0.1
> >> > 2  B   0.5
> >> > 3  C  0.23
> >> > 4  D  0.4
> >> > 5  E  0.32
> >> > 6  F  0.9
> >> >
> >> > and I want to use the second column to display at each xtics and
> >> replace
> >> > the
> >> > numbers, so that I get
> >> >
> >> > |
> >> > |     graph displayed here
> >> > -----------------------------------------------
> >> >  A   B   C   D   E   F  ...
> >> >
> >> > Or even further
> >> >
> >> > |
> >> > |    graph displayed here
> >> > ---------------------------------------------
> >> >   1    2    3    4    5    . ....
> >> >  A   B    C    E    F    ....
> >> >
> >> > Is there way to realize these effects?
> >> >
> >> > Thanks!
> >> >
> >> > Sincerely,
> >> > Jon
> >> >
> >>
> ------------------------------------------------------------------------------
> >> > Beautiful is writing same markup. Internet Explorer 9 supports
> >> > standards for HTML5, CSS3, SVG 1.1,  ECMAScript5, and DOM L2 & L3.
> >> > Spend less time writing and  rewriting code and more time creating
> >> great
> >> > experiences on the web. Be a part of the beta today
> >> > http://p.sf.net/sfu/msIE9-sfdev2dev
> >> > _______________________________________________
> >> > gnuplot-info mailing list
> >> > gnu...@li...
> >> > https://lists.sourceforge.net/lists/listinfo/gnuplot-info
> >> >
> >> >
> >>
> >> --
> >> View this message in context:
> >>
> http://old.nabble.com/how-to-set-xtics-using-character-strings-saved-in-a-file-tp30245934p30250534.html
> >> Sent from the Gnuplot - User mailing list archive at Nabble.com.
> >>
> >>
> >>
> >>
> ------------------------------------------------------------------------------
> >> Beautiful is writing same markup. Internet Explorer 9 supports
> >> standards for HTML5, CSS3, SVG 1.1,  ECMAScript5, and DOM L2 & L3.
> >> Spend less time writing and  rewriting code and more time creating great
> >> experiences on the web. Be a part of the beta today
> >> http://p.sf.net/sfu/msIE9-sfdev2dev
> >> _______________________________________________
> >> gnuplot-info mailing list
> >> gnu...@li...
> >> https://lists.sourceforge.net/lists/listinfo/gnuplot-info
> >>
> >
> ------------------------------------------------------------------------------
> > Beautiful is writing same markup. Internet Explorer 9 supports
> > standards for HTML5, CSS3, SVG 1.1,  ECMAScript5, and DOM L2 & L3.
> > Spend less time writing and  rewriting code and more time creating great
> > experiences on the web. Be a part of the beta today
> > http://p.sf.net/sfu/msIE9-sfdev2dev
> > _______________________________________________
> > gnuplot-info mailing list
> > gnu...@li...
> > https://lists.sourceforge.net/lists/listinfo/gnuplot-info
> >
> >
>
> --
> View this message in context:
> http://old.nabble.com/how-to-set-xtics-using-character-strings-saved-in-a-file-tp30245934p30255657.html
> Sent from the Gnuplot - User mailing list archive at Nabble.com.
>
>
>
> ------------------------------------------------------------------------------
> Beautiful is writing same markup. Internet Explorer 9 supports
> standards for HTML5, CSS3, SVG 1.1,  ECMAScript5, and DOM L2 & L3.
> Spend less time writing and  rewriting code and more time creating great
> experiences on the web. Be a part of the beta today
> http://p.sf.net/sfu/msIE9-sfdev2dev
> _______________________________________________
> gnuplot-info mailing list
> gnu...@li...
> https://lists.sourceforge.net/lists/listinfo/gnuplot-info
>