[ncl-talk] Cannot create triangular mesh

[MM Ali]

Hi Adam,

I have access to the Florida State University computer systems (I am in
India) and all the systems there have 6.0.0 version. Is it possible to
modify the code so that it runs on this version?

Thanks
Ali

On Tue, Apr 2, 2019 at 10:32 PM Adam Phillips <asphilli at ucar.edu> wrote:

> Hello,
> I ran your script using version 6.6.2. I didn't get any error messages,
> and it produced the attached plot.  NCL v6.0.0 is almost 8 years old, I
> highly recommend updating to the newest version (6.6.2).
> Adam
>
> On Tue, Apr 2, 2019 at 5:18 AM MM Ali <mmali110 at gmail.com> wrote:
>
>> Hi,
>> I took a program of Dr. Petroula modified by Prof. Thomas from ncl-talk
>> and slightly modified to suit my requirements (attached below). The program
>> plots the continent  and the legent without any contour. The error is:
>>
>> fatal:Cannot create triangular mesh: supply additional resources or build
>> with Triangle package
>> fatal:ContourPlotDraw: draw error
>> warning:WorkstationDeactivate: workstation not active or not opened
>>
>> The data set I used is attached. The ncl version I use is 6.0.0.0
>>
>> It would be great if someone can help me in solving this problem.
>>
>> Thanks
>> Ali
>> The Code (also attached):
>>  load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
>>  load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
>>  load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl"
>> begin
>>
>>   fname = "tst.txt"
>>
>>   n_col = numAsciiCol(fname)
>>   n_var = n_col
>>   n_pt  = numAsciiRow(fname)
>>   dataf  = asciiread(fname,(/n_pt,n_var/),"float")
>>
>> ;---read longitude
>>   lon = dataf (:,0)
>>
>> ;---read latitude
>>   lat = dataf (:,1)
>>
>> ;---read data for presence of convective cloud
>>   storm = dataf (:,2)
>>
>> ;---define the workstation (plot type and name)
>>   wks = gsn_open_wks("png","plot_field")
>>
>> ;--set resources
>>   wks = gsn_open_wks("x11","ce")
>>   res                     = True
>>   res at gsnMaximize         = True
>>
>>   res at mpDataBaseVersion   = "MediumRes"   ;-- map resolution
>>   res at mpMinLonF           = min(lon)
>>   res at mpMaxLonF           = max(lon)
>>   res at mpMinLatF           = min(lat)
>>   res at mpMaxLatF           = max(lat)
>>
>>   res at sfXArray            = lon
>>   res at sfYArray            = lat
>>
>>   res at cnFillOn            = True        ; Turn on contour fill.
>>   res at cnLinesOn           = False       ; Turn off contour lines
>>
>> ;-- create the contour map plot
>> ;  plot = gsn_csm_contour_map(wks,storm,res)         ; create a default
>> plot
>>   contour = gsn_csm_contour_map(wks,storm,res)
>>
>> end
>>
>>
>>
>>
>> --
>> *Dr. MM Ali*
>> Formerly:
>> Scientist G & Group Director
>> NRSC/ISRO
>> email: mmali110 at gmail.com
>>            mmali at coaps.fsu.edu
>> Mob: +91 9949045110
>> _______________________________________________
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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>
>


-- 
*Dr. MM Ali*
Formerly:
Scientist G & Group Director
NRSC/ISRO
email: mmali110 at gmail.com
           mmali at coaps.fsu.edu
Mob: +91 9949045110
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