[ncl-talk] Why do I get "warning:gsnLeftString is not a valid resource in Plots00-P850_28_00Z_contour at this time"

Zilore Mumba zmumba at gmail.com
Tue Apr 5 12:20:51 MDT 2022


I will try that. Thanks.

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On Tue, Apr 5, 2022 at 8:07 PM Adam Phillips <asphilli at ucar.edu> wrote:

> Hi Zilore,
> I believe many if not all of the wrf plotting functions do not use the
> gsn_csm_* suite of plotting functions, and thus one cannot set subtitles
> with the gsn*String resources. (Looking at the code for wrf_contour
> (available in $NCARG_ROOT/lib/ncarg/nclscripts/wrf/WRFUserARW.ncl), you can
> see that gsn_contour is being called.) According to the wrf_contour
> documentation
> <https://www.ncl.ucar.edu/Document/Functions/WRF_arw/wrf_contour.shtml>,
> you can set NoHeaderFooter = True to turn off the subtitles, did you try
> that?  If that does not work, I would suggest you look at the
> WRFUserARW.ncl code (specifically look at the _SetMainTitle function) to
> see if you can turn off the labels manually.
>
> Hope that helps!
> Adam
>
> On Tue, Apr 5, 2022 at 3:55 AM Zilore Mumba via ncl-talk <
> ncl-talk at mailman.ucar.edu> wrote:
>
>> In my wrf plot script below, I am trying to suppress the left, center and
>> right string as well as the label at the bottom right. None of the wrf
>> script examples I have seen has these fields suppressed.  My gsn and cn
>> resources (marked in blue in the code below) do not seem to have any
>> effect, hence the warning message.
>> When I print these resources (in purple below) they are captured ok.
>> Is it that with this kind of plot one cannot suppress these fields?
>>
>>
>> ;   Example script to produce plots for a WRF real-data run,
>> ;   with the ARW coordinate dynamics option.
>> ;   Interpolating to specified pressure levels
>>
>> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
>> load "$NCARG_ROOT/lib/ncarg/nclscripts/wrf/WRFUserARW.ncl"
>>
>> begin
>> ;
>> ; The WRF ARW input file.
>>      DATADir = "/home/zmumba/DA/OUTPUT/2022022800/noda/"
>>      FILES = systemfunc (" ls -1 " + DATADir + "wrfout_d01* ")
>>      numFILES = dimsizes(FILES)
>>
>>      files_all = addfiles(FILES+".nc","r")
>>
>> ; We generate plots, but what kind do we prefer?
>> ;  type = "x11"
>> ;  type = "pdf"
>> ; type = "ps"
>> ; type = "ncgm"
>>   type = "png"
>> ;  wks = gsn_open_wks(type,"plt_PressureLevel1")
>>
>> ; Set some Basic Plot options
>>   res = True
>>   res at MainTitle                   = "WRF MODEL OUTPUT"
>>   res at Footer = False
>>
>>   res at cnInfoLabelOn = False ; Suppress text "CONTOUR FROM # TO # by #"
>>   res at gsnCenterString = "" ;"gsnCenterString ~C~ ~Z80~ (Default: None)"
>>   res at gsnLeftString   = "" ;"gsnRightString ~C~ ~Z80~ (Default:
>> Long_Name)"
>>   res at gsnRightString  = "" ;"gsnRightString ~C~ ~Z80~ (Default: Units)"
>>
>>   pltres = True
>>   mpres = True
>>   mpres at mpFillOn                    = False        ; turn off gray fill
>>   mpres at mpOutlineBoundarySets       = "National"   ; turn on country
>> boundaries
>>   mpres at mpGeophysicalLineColor      = "Navy"       ; color of cont.
>> outlines
>>   mpres at mpGeophysicalLineThicknessF = 1.5          ; thickness of
>> outlines
>>   mpres at mpNationalLineColor         = "Black"
>>   mpres at mpNationalLineThicknessF    = 2.5          ; turn on country
>> boundaries
>>
>>   mpres at mpDataBaseVersion           = "MediumRes"  ; choose higher
>> resolution
>>   mpres at mpDataSetName               = "Earth..4"   ; choose most recent
>> boundaries
>>
>>   mpres at mpMaxLatF                   = -4           ; choose subregion
>>   mpres at mpMinLatF                   = -21
>>   mpres at mpMaxLonF                   =  37
>>   mpres at mpMinLonF                   =  21
>>
>> ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
>>
>> ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
>>
>> ; What times and how many time steps are in the data set?
>>   times = files_all[:]->Times
>>   ntimes = dimsizes(times)         ; number of times in the file
>>
>> ; The specific pressure levels that we want the data interpolated to.
>>   pressure_levels = (/ 850., 700., 500., 300./)   ; pressure levels to
>> plot
>>   nlevels         = dimsizes(pressure_levels)     ; number of pressure
>> levels
>>
>>
>> ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
>>
>> ;  VTlab = (/ "T+00", T+00", "T+06", "T+12", "T+18", "T+24", "T+30",
>> "T+36", "T+42", "T+48"/)   ; Validity for file name
>>
>> ; get time information and strip out the day and hour
>>   times_in_file = files_all[:]->Times
>>   dims = dimsizes (times)
>>    ntimes = dimsizes (times(:,0))
>>
>>   times_to_use = new(dims(0),string)
>>
>>   do i=0,dims(0)-1
>>     times_to_use(i) = chartostring(times_in_file(i,8:12))
>>   end do
>>
>> ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
>>   do it = 0,ntimes(0)-1,2             ; TIME LOOP
>>
>>     print("Working on time: " +  times_to_use(it) )
>>     res at TimeLabel =  times_to_use(it)   ; Set Valid time to use on plots
>>
>>
>> ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
>> ; First get the variables we will need
>>
>>     tc = wrf_user_getvar(files_all,"tc",it)        ; T in C
>>     u  = wrf_user_getvar(files_all,"ua",it)        ; u averaged to mass
>> points
>>     v  = wrf_user_getvar(files_all,"va",it)        ; v averaged to mass
>> points
>>     p  = wrf_user_getvar(files_all, "pressure",it) ; pressure is our
>> vertical coordinate
>>     z  = wrf_user_getvar(files_all, "z",it)        ; grid point height
>>     rh = wrf_user_getvar(files_all,"rh",it)        ; relative humidity
>>
>> ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
>>     do level = 0,nlevels-1                 ; LOOP OVER LEVELS
>>       pressure = pressure_levels(level)
>>
>>       tc_plane = wrf_user_intrp3d(tc,p,"h",pressure,0.,False)
>>       z_plane  = wrf_user_intrp3d( z,p,"h",pressure,0.,False)
>>       rh_plane = wrf_user_intrp3d(rh,p,"h",pressure,0.,False)
>>       u_plane  = wrf_user_intrp3d( u,p,"h",pressure,0.,False)
>>       v_plane  = wrf_user_intrp3d( v,p,"h",pressure,0.,False)
>>
>>       spd     = (u_plane*u_plane + v_plane*v_plane)^(0.5) ; m/sec
>>       spd at description = "Wind Speed"
>>       spd at units = "m/s"
>>       u_plane = u_plane*1.94386     ; kts
>>       v_plane = v_plane*1.94386     ; kts
>>       u_plane at units = "kts"
>>       v_plane at units = "kts"
>>
>>       wks = gsn_open_wks(type,"Plots00-" + "P" + pressure_levels(level) +
>> "_" + times_to_use(it) + "Z")
>>
>>       ; Plotting options for T
>>         opts = res
>>         print(opts))
>>
>>         opts at cnLineColor = "Red"
>>         opts at ContourParameters = (/ 5.0 /)
>>         opts at cnInfoLabelOrthogonalPosF = 0.07  ; offset second label
>> information
>>         opts at gsnContourLineThicknessesScale = 2.0
>>         contour_tc = wrf_contour(files_all[it],wks,tc_plane,opts)
>>         delete(opts)
>>
>>        ; MAKE PLOT
>>         if ( pressure .eq. 850 ) then   ; plot temp, rh, height, wind
>> barbs
>>           opts_z at ContourParameters = (/ 20.0 /)
>>           contour_height = wrf_contour(files_all[it],wks,z_plane,opts_z)
>>           plot =
>> wrf_map_overlays(files_all[it],wks,(/contour_rh,contour_tc,contour_height, \
>>                                     vector/),pltres,mpres)
>>         end if
>>
>>     end do      ; END OF LEVEL LOOP
>>
>> ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
>>   end do        ; END OF TIME LOOP
>> end
>>
>>
>>
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>
>
> --
> Adam Phillips
> Associate Scientist,  Climate and Global Dynamics Laboratory, NCAR
> www.cgd.ucar.edu/staff/asphilli/   303-497-1726
>
> <http://www.cgd.ucar.edu/staff/asphilli>
>
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