[ncl-talk] Error: gsn plot: All of the plots passed to gsn_panel appear to be invalid

[Ipshita Majhi]

Yes! I missed it accidentally :) the plot works.
Thank you for the input I am grateful for that


On Wed, Aug 6, 2014 at 6:42 PM, Dennis Shea <shea at ucar.edu> wrote:

> When I 1st looked I thought you had left out some code so people would
> focus on the graphics part.
> It was pointed out to me that this was your entire code.
>
> You allocated space for 12 plots via
>
>
>       wks  = gsn_open_wks ("ps", "panel" )
>       plot = new ( 12 , graphic)                    ; <=== all are
> _FillValue
>
> But you did not fill the graphical plot array with any contents
>
>      do nmo=0,11
>                  :
>           plot(nmo) = .gsn...(wks,...,hres)
>     end do
>
>
>
>
>
>
>
> On Wed, Aug 6, 2014 at 6:58 PM, Dennis Shea <shea at ucar.edu> wrote:
>
>> Did you read the gsn_panel documentation?
>>
>> https://www.ncl.ucar.edu/Document/Graphics/Interfaces/gsn_panel.shtml
>>
>> In particular,
>>
>> 	procedure gsn_panel (
>> 		wks       : graphic,
>> 		plots [*] : graphic,
>> 		dims  [*] : integer,
>> 		res   [1] : logical
>> 	)
>> *dims*
>> An array of integers indicating the configuration of the plots on the
>> frame.  *dims* can either be two integers representing the
>> number of rows and columns of the paneled lots ....
>> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>>
>> Think
>>
>>  dims = (/nrow,ncol/)
>>
>> ====
>>
>> So, all you need is
>>
>>  pres = True
>>
>>
>>  pres at gsnMaximize = True
>>
>> Then
>>
>>  gsn_panel(wks,plot,(/3,4/),pres)  ; 3 rows; each row having 4 plots
>>
>> or
>>
>>  gsn_panel(wks,plot,(/4,3/),pres)  ; 4 rows; each row having 3 plots
>>
>>
>>
>>
>> On Wed, Aug 6, 2014 at 5:45 PM, Ipshita Majhi <ipmajhi at alaska.edu> wrote:
>>
>>> Hi,
>>>
>>> I am trying to plot 12 plots in one panel. Each column with 4 plots and
>>> three columns like that. Here is the code, I would be grateful if you could
>>> tell me where the error is. Thanking you in advance
>>>  ===========================================
>>> ;     To plot decadal plots
>>> ; ===========================================
>>> ;
>>> ; Concepts illustrated:
>>> ;   - Specifying how many plots to draw in each row
>>> ;   - Left-justifying and centering paneled plots
>>> ;
>>> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
>>> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
>>>
>>> begin
>>>
>>>  ;=============================================
>>> ; data processing
>>> ;=============================================
>>>  x=asciiread("~/Documents/PhD_June_2015/NCL_Moonsoon/Data_output/all_month_decade",(/13,12/),
>>> "float")
>>>  year_decadal=ispan(1880,2012,10)
>>> ;==============================================
>>> ; create plot
>>> ;=============================================
>>>
>>>
>>>  wks  = gsn_open_wks ("ps", "panel" )
>>>  plot = new ( 12 , graphic)
>>>
>>>
>>>  hres                          = True
>>>  hres at gsnDraw                  = False
>>>  hres at gsnFrame                 = False
>>>
>>>  hres at tiMainString             = "Decadal Mean"
>>>
>>>  hres at cnLevelSelectionMode     = "ManualLevels"     ; manual levels
>>>  hres at cnMinLevelValF           = -10.
>>>  hres at cnMaxLevelValF           =  10.
>>>  hres at cnLevelSpacingF          = 2.
>>>
>>> ;==============================================
>>> ; create panel
>>> ;=============================================
>>>  pres                 = True
>>>  pres at gsnPanelRowSpec = True                   ; tell panel what order
>>> to plt
>>>  gsn_panel(wks,plot,(/4,4,4/),pres)
>>>
>>>  pres at gsnPanelCenter  = False
>>>  gsn_panel(wks,plot,(/4,4,4/),pres)
>>> end
>>>
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>>>
>>
>
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