[ncl-talk] dimension size mismatch when using gsn_add_text

[Rashed Mahmood]

what is dimension size of variable: var_ens_diff_mean?
print(dimsizes( var_ens_diff_mean))


On Sat, Mar 16, 2019 at 6:30 AM Anne <anne.seidenglanz at unive.it> wrote:

> Hello NCL users,
>
> I am trying to add a label to my xy plot using the routine gsn_add_text.
> However this causes a 'dimension size mismatch' error message. I don't
> really understand why this would be a mismatch because I haven't defined
> this variable anywhere else in the script.
>
> So I used:
>
> plot0  = gsn_csm_xy (wks, years2, var_diff(:,month),res)
>
>
>     txres               = True
>     ;txres at txFontHeightF = fheight             ; Set the font height
>     txres at txJust        = "CenterRight"
>     txres at txFontHeightF   = 0.014
>
>                  label                    = "Mean response =
> "+var_ens_diff_mean+""
>                  text = gsn_add_text(wks, plot0, label, 1994, -100, txres)
>
>  plot1  = gsn_csm_xy (wks, years, var_ens_diff(:,month), res)
>
>          overlay(plot0, plot1)
>
>         draw(plot0)
>         frame(wks)
>
> So basically this is an overlaid xy scatter plot, and I've applied my
> label to the base plot (plot0). The error message that shows up refers to
> the line where gsn_add_text is used (text = ...). Both the x and y
> coordinates in gsn_add_text are coordinates as they appear in the plot, so
> this shouldn't cause a problem.
>
> Thanks for any help,
> Anne
>
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