[ncl-talk] trouble making plot legend with a loop

[Karin Meier-Fleischer]

Hi Adam,

change the following line in the loop from

>> plot@$tstr$ = gsn_add_text(wks,plot(1),plabel(n),xx(1),yy,res_text)

to

>> plot@$tstr$ = gsn_add_text(wks,plot(1),plabel(n),xx(1),yy(n),res_text)

Bye,
Karin

> Am 16.08.2017 um 22:52 schrieb Guido Cioni <guidocioni at gmail.com>:
> 
> Hey Adam, 
> I’m not sure whether it is right or not but it seems to me that the lines defining the plot area are thicker than they are supposed to. Are you by any change calling the draw(plot) twice, maybe by forgetting to set a false resource, advancing the frame or overlying different plots? 
> 
> Maybe the entire script would help, or at least the part where you’re setting the resources for the legend or calling the draw(plot).
>> Il giorno 16 ago 2017, alle ore 22:42, Adam Herrington <adam.herrington at stonybrook.edu> ha scritto:
>> 
>> Hi all,
>> 
>> I'm trying to come up with a routine thats produces a plot legend using a loop. However, my attempts to do so corrupts the text labels. See attached plot as an example. The code for this loop is:
>> 
>>  plabel = (/"  ne30_old", \
>>             "  ne30_new", \
>>             "  ne60_old", \
>>             "  ne60_new", \
>>             "  ne120_old",\
>>             "  ne120_new",\
>>             "  ne240_old",\
>>             "  ne240_new"/)
>> 
>>  xx = (/1.,2.5/)
>>  yy = (/985.,978.,971.,964.,957.,950.,943.,936./)
>>  do n = 0,nfiles-1
>>    res_lines at gsLineColor       = colors(n)
>>    lstr = unique_string("rum")
>>    tstr = unique_string("hum")
>>    plot@$lstr$ = gsn_add_polyline(wks,plot(1),xx,(/yy(n),yy(n)/),res_lines) 
>>    plot@$tstr$ = gsn_add_text(wks,plot(1),plabel(n),xx(1),yy,res_text)
>>  end do
>> 
>> Can anyone figure out why my legend labels are, what appears to be, 'doubly' printed?
>> 
>> Adam
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