Re: Adding a marker to a map in a panel plot

Hi Rosemarie,
I think you need to flip your lat and lon inputs into gsn_add_polymarker
mark=gsn_add_polymarker(wks,plot(0),plon,plat,mres)

Otherwise I don't see anything wrong with what you are doing. You should
not need to set tfPolyDrawOrder..

Finally, if possible, I would highly recommend updating to NCL v6.0.0.
v5.1.1 is 2.5yrs old, and there have been numerous enhancements/fixes
added over the past few versions..

Let ncl-talk know if this advice doesn't fix the problem..
Adam

> The machine I am using has ncl v5.1.1
>
> I would like to add a marker to a map in a panel plot. I have tried
> looking at some examples but I am not sure I am clear on the process and
> I am not seeing a marker.
> The plots are created like this:
> plot(0) = gsn_csm_contour_map(wks,field0,res) etc
>
> Then I tried to add a marker like this:
> mres = True
> mres@gsMarkerIndex = 16
> mres@gsMarkerSizeF = 8.
> mres@gsMarkerColor = "black"
> setvalues plot
> "tfPolyDrawOrder" : "PostDraw"
> end setvalues
> ; Hanish Sill position
> plat=(/13.733/)
> plon=(/42.499/)
> mark=gsn_add_polymarker(wks,plot(0),plat,plon,mres)
>
> Then I put the plots together with
> gsn_panel(wks,plot,(/2,2/),resP)
>
> The result is fine except I do not see a marker and I think I am
> probably not doing quite the right thing and maybe the marker is under
> the contour colouring or something.
> Advice appreciated!
> Thanks
> Rosemarie
>
> --
> Dr Rosemarie Drummond
> rmarie@atmosp.physics.utoronto.ca
>
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__________________________________________________
Adam Phillips asphilli@ucar.edu
NCAR/Climate and Global Dynamics Division
P.O. Box 3000 (303) 497-1726
Boulder, CO 80307-3000
http://www.cgd.ucar.edu/cas/asphilli

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Received on Thu Dec 1 09:08:20 2011