[ncl-talk] Cartesian coordinate plotting

[Md. Jalal Uddin]

Thank you, sir.

On Wed, 24 Jul 2019 at 11:25, Dennis Shea <shea at ucar.edu> wrote:

> [1]
> I am not sure why you want to convert to a Cartesian coordinate system.
> No extra information is provided and you lose geographic referencing.
>
> [2] Not sure why you are using the following example as a basis:
>             *http://www.ncl.ucar.edu/Applications/regrid.shtml*
> <http://www.ncl.ucar.edu/Applications/regrid.shtml>
>              regrid_15.ncl
>
> [3] You can convert a region (say: 300km ) around a specified map location
> [clat, clon] and directly convert to Cartesian. See attached.
>
>
> On Fri, Jul 19, 2019 at 1:53 AM Md. Jalal Uddin via ncl-talk <
> ncl-talk at ucar.edu> wrote:
>
>> Hi all,
>>
>> I set a Cartesian coordinate (x,y) below.
>>
>>   pi       =   3.141593
>>   deg2rad  =  pi/180.
>>
>>   earth_radius = 6371.
>>
>>   r = ispan(0,300,10)
>>   theta  = ispan(0,360,10)
>>
>>   x =
>> conform_dims((/dimsizes(r),dimsizes(theta)/),r,0)*cos(conform_dims((/dimsizes(r),dimsizes(theta)/),theta,1)*deg2rad)
>>   y =
>> conform_dims((/dimsizes(r),dimsizes(theta)/),r,0)*sin(conform_dims((/dimsizes(r),dimsizes(theta)/),theta,1)*deg2rad)
>>
>>    ;printVarSummary(x)                ; [31] x [37]
>>    ;printVarSummary(y)                ; [31] x [37]
>>
>>
>> My precipitation data within 300 Km from the center lat and lon.
>>  cen_avg  = dim_avg_n_Wrap(time_avg,0)    ;[radius | 31] x [circle | 180]
>>
>> How can I conform to cen_avg data as x, y and plot? Full code in the
>> attached file?
>>
>> ;Jalal
>>
>> --
>> *Md. Jalal Uddin*
>> MSc in Applied Meteorology
>> Nanjing University of Information, Science and Technology, China
>> B.Sc. in Disaster Management (Hons.)
>> Patuakhali Science and Technology University, Bangladesh.
>> Cell: +8613260859092, +8801792052662
>> Web: www.dmjalal90.weebly.com
>> Facebook: jalal.hossen.39
>> LinkedIn: https://bd.linkedin.com/in/md-jalal-uddin-80a026b0
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>
>

-- 
*Md. Jalal Uddin*
MSc in Applied Meteorology
Nanjing University of Information, Science and Technology, China
B.Sc. in Disaster Management (Hons.)
Patuakhali Science and Technology University, Bangladesh.
Cell: +8613260859092, +8801792052662
Web: www.dmjalal90.weebly.com
Facebook: jalal.hossen.39
LinkedIn: https://bd.linkedin.com/in/md-jalal-uddin-80a026b0
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