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Re: plot function and legend in a for loop [message #91852 is a reply to message #91851]

Fri, 04 September 2015 05:39

Alain Kattnig
Messages: 9
Registered: November 2009

Junior Member

Le vendredi 4 septembre 2015 14:25:37 UTC+2, andrea...@gmx.de a écrit :
> Dear all,
>
> I'm trying to create an indefinite number of lines in one plot. Additionally the goal is to additionally get a legend.
>
> I was trying to do this somehow like this:
>
> p=plot(spec(0), name=names(0))
>
> for i=1,n_elements(spec-1) do p1=plot(spec(i), name=names(i), /over)
>
>
> l=legend(target=[p,p1])
>
> doing that, not unsurprisingly, I get only the first and last name in the legend.
>
> Is there a way to mitigate the issue other than adding if statements like
>
> if n_elements(spec) gt 2 then p3=plot ....
> if n_elements(spec) gt 3 then p4=plot ....
>
> with this way, no matter how many of these lines I add I would at some day end up with some plots not being plotted ;-)
>
> thanks a lot and best regards
> Andreas

I use IPLOT which is less open to manipulations but quicker to code

IPLOT,spec[0],NAME=name[0],/INSERT_LEGEND
FOR number=1,Nbr_names DO IPLOT,spec[number],NAME=name[number],/INSERT_LEGEND

Best

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[Message index]

		plot function and legend in a for loop By: andreas.brunn on Fri, 04 September 2015 05:25
		Re: plot function and legend in a for loop By: Alain Kattnig on Fri, 04 September 2015 05:39
		Re: plot function and legend in a for loop By: andreas.brunn on Fri, 04 September 2015 05:45
		Re: plot function and legend in a for loop By: andreas.brunn on Fri, 04 September 2015 05:40
		Re: plot function and legend in a for loop By: Paul Van Delst[1] on Fri, 04 September 2015 12:24
		Re: plot function and legend in a for loop By: Paul Van Delst[1] on Fri, 04 September 2015 12:26

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