[ncl-talk] Missing color fill when using gsn_csm_contour_map (ncl V 6.4.0)

[Toni Klemm]

Hi Adriana,

I noticed there are two commas in the command to extract the sind vectors: u = a->U(0,,:,:)  Could that be the problem?

Could you attach the netCDF file from the example that you’re using? (MAM_GEOS_1anee.cam.h0.2000-12-07-00000.nc)

Toni


Toni Klemm, Ph.D.
Postdoctoral Research Associate
Department of Ecosystem Science and Management
College of Agriculture and Life Sciences
Texas A&M University, College Station, TX
Contributor to the Early Career Climate Forum <http://www.eccforum.org/>
www.toni-klemm.de <http://www.toni-klemm.de/> | @toniklemm <http://twitter.com/toniklemm>








> On Aug 21, 2018, at 10:01 AM, adriana.bossolasco at cnrs-orleans.fr wrote:
> 
> Hi all
> 
> I have a problem with ncl when I try to plot a contour graphic. I thought it was a mistake I was making, but then when I try with a example very simple still appears blank. And ncl does not tell me any error.
> Here is the script (have my file but is exactly the same that newcolor_1.ncl)
> 
> ;************************************************
> ; zonal_2.ncl
> ;
> ; Concepts illustrated:
> ;   - Drawing a zonal means plot
> ;   - Using dim_avg_Wrap to calculate a zonal average
> ;************************************************
> ;load "/usr/lib/ncarg/nclscripts/csm/gsn_code.ncl"
> ;load "/usr/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
> ;load "/usr/lib/ncarg/nclscripts/csm/contributed.ncl"
> ;************************************************
> begin
> ;************************************************
> ; variable and file handling
> ;************************************************
> ;---read in zonal winds
>  a = addfile("MAM_GEOS_1anee.cam.h0.2000-12-07-00000.nc","r")
>  u = a->U(0,,:,:)                                ; July zonal winds
> 
>  wks  = gsn_open_wks("png","newcolor")  ; send graphics to PNG file
> 
>  res                 = True
>  res at gsnMaximize     = True       ; maximize in frame
>  res at cnLinesOn       = False
>  res at cnFillOn        = True
>  res at cnFillPalette   = "BlueYellowRed"   ; change the color palette
> 
>  res at mpFillDrawOrder = "PostDraw" ; Make sure land fill is drawn
>                                   ; on top of filled contours
> 
>  res at tiMainString    = "NCL version 6.1.x will give you gray land"
> 
>  plot = gsn_csm_contour_map(wks,u,res)
> end
> 
> I obtained a map without color fill, I was looking in some previous talk but nothing works. Can Anyone help me on this? thanks
> I attached the maps
> 
> Thank you
> -- 
> Adriana Bossolasco
> LPC2E UMR 7328 (CNRS, Université d'Orléans)
> 3A avenue de la Recherche Scientifique
> 45071 Orléans Cedex 2 - FRANCE
> Tel  +33 (0)2 38 25 52 85
> e-mail: adriana.bossolasco at cnrs-orleans.fr<newcolor.png>_______________________________________________
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