[ncl-talk] Unexpected line (Upper portion) in the plots produced using NCL 6.3.0

[Rick Brownrigg]

Try setting this resource:

   res at mpGridAndLimbOn = False

According to the docs, the default is true and the mpGridLatSpacingF
resource is set to 15.0, which would seem to explain the line in your plot.

Hope that helps...
Rick

On Mon, Mar 7, 2016 at 8:41 AM, Guido Cioni <guidocioni at gmail.com> wrote:

> Hey Jacob,
> don’t know if it will help, but it may worth a shot…
> Did you try including the option gsnAddCyclic = False ?
>
> Guido Cioni
> http://guidocioni.altervista.org
>
> On 07 Mar 2016, at 16:36, Jacob Alberto Garcia <jacob_garcia at dlsu.edu.ph>
> wrote:
>
> Hello,
>
> I am currently using NCL 6.3.0 to plot data from WRF output. Attached is
> the script I used and an example of what comes out afterwards.
>
> I can't seem to figure out as to why there is always a line included in
> the upper portion of my plots. Hoping you guys could help me out
>
> Here's my script:
>
> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
> load "$NCARG_ROOT/lib/ncarg/nclscripts/wrf/WRFUserARW.ncl"
> ;load "./WRFUserARW.ncl"
>
> begin
>   a = addfile("./YSU_EA_d03.nc","r")
>   type = "pdf"
>   wks = gsn_open_wks(type,"PBLH_YSU")
>   gsn_define_colormap(wks,"WhBlGrYeRe")
>
> ; Plot options
>   pltres = True
>   mpres = True
>   res = True
>   res at gsnMaximize = True
>   mpres at mpDataBaseVersion = "HighRes"
>   res at MainTitle                   = "PBLH"
>   NoTitles = True
>   LatLonOverlay = True
>   res at tiMainFontHeightF   = 0.04
>   res at lbLabelFontHeightF = 0.03
>   res at tiXAxisFontHeightF = 0.03
>   res at tiYAxisFontHeightF = 0.03
>   res at cnFillOn = True
>   res at gsnSpreadColors = True
>   res at cnLinesOn = False
>   res at cnLineLabelsOn = False
>   res at cnLevelSelectionMode = "ManualLevels"
>   res at cnMinLevelValF = 0.
>   res at cnMaxLevelValF = 2800
>   mpres at mpGeophysicalLineColor = "Black"
>
>   times = wrf_user_getvar(a,"times",-1)
>   ntimes = dimsizes(times)
>
>    do it = 0,ntimes-1
>
>     print("Working on time: " + times(it) )
>     res at TimeLabel = times(it)
>
>      PBLH = wrf_user_getvar(a,"PBLH",it)
>      contour_PBLH = wrf_contour(a,wks,PBLH,res)
>       plot = wrf_map_overlays(a,wks,(/contour_PBLH/),pltres,mpres)
>      end do
> end
>
>
> Cheers
>
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