Re: [Gnuplot-info] traffic plotting

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

seems, that your version of gnuplot doesn't interpret the '=' in the
'using' statement.
do you use the development version (4.3-cvs)?


herrdeh wrote:
> 
> Hello,
> 
> months ago I issued a request to visualize the traffic of a small bus  
> network. At that time that was preparation for a project ahead, which  
> now has to be worked upon.
> 
> The task is this:
> 
> I have a list, each line contains a pair of bus stops, represented by  
> cartesian coordinates and a number of passengers travelling between  
> these two stops. Thomas was so kind to propose a solution for this  
> issue, unluckily I could not make it work up to now. The suggestion  
> was the following:
> 
> set terminal aqua font "Times,5"
> number_of_busstops = 271
> plot "FGZ.xls" using 2:(my_lw=$1, 0/0) every 1::0::0 notitle, for  
> [i=1:number_of_busstops] "" using 2:(my_lw=$1, $3) every 1::(i-1)::i  
> with lines linetype 1 linewidth my_lw notitle
> 
> Using gnuplot 4.2.5 on a Mac I get this result:
> 
> gnuplot> set terminal aqua font "Times,5"
> Terminal type set to 'aqua'
> Options are '0 title "Figure 0" size 846 594 font "Times,5"  
> noenhanced solid'
> gnuplot> number_of_busstops = 271
> gnuplot> plot "FGZ.xls" using 2:(my_lw=$1, 0/0) every 1::0::0  
> notitle, for [i=1:number_of_busstops] "" using 2:(my_lw=$1, $3) every  
> 1::(i-1)::i with lines linetype 1 linewidth my_lw notitle
>                                        ^
>           ')' expected
> 
> 
> The "^" points exactly at that place:
> 
> plot "FGZ.xls" using 2:(my_lw=^
> 
> I'd be grateful for any support to make this little script work.
> 
> Greetings,
> 
> Wolf
> 
> 
> ++++++++++++++++++++++++++++++++++++++++++++++++++++
> + Wolf Drechsel
> + Köhnstr. 54
> + D - 90478 Nürnberg
> + Tel.: 0911 / 4 71 98 49
> + dre...@ve...
> ++++++++++++++++++++++++++++++++++++++++++++++++++++
> 
> 
> 
> 
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