[ncl-talk] r,theta (radar) plotting
Dennis Shea
shea at ucar.edu
Thu Jul 11 21:38:42 MDT 2019
*http://www.ncl.ucar.edu/Applications/func_list.shtml*
<http://www.ncl.ucar.edu/Applications/func_list.shtml>
This indicates examples which use various functions:
This shows:
*css2c* <http://www.ncl.ucar.edu/Document/Functions/Built-in/css2c.shtml>
No examples at this time
*Sorry*
<http://www.ncl.ucar.edu/Document/Functions/Built-in/cssetp.shtml>
On Thu, Jul 11, 2019 at 9:17 PM Md. Jalal Uddin <dmjalal90 at gmail.com> wrote:
> Thank you.
> Is there any plots example for css2c function?
>
> On Fri, 12 Jul 2019 at 11:12, Dennis Shea <shea at ucar.edu> wrote:
>
>> The 'radar' examples were contributed by external users.
>> Sorry ... The files are not available.
>>
>>
>> On Thu, Jul 11, 2019 at 2:14 AM Md. Jalal Uddin <dmjalal90 at gmail.com>
>> wrote:
>>
>>> Thank you, sir, for your kind suggestion.
>>>
>>> Could I have the data cfrad.20080604_002217.nc of radar_2.ncl example?
>>>
>>>
>>> On Wed, 10 Jul 2019 at 22:11, Dennis Shea <shea at ucar.edu> wrote:
>>>
>>>> re: How can I plot for multiple centers?
>>>>
>>>> Use a do loop:
>>>>
>>>> do nc_plot=0,nctr-1 ; loop over centers
>>>> :
>>>>
>>>> end do
>>>> ==============
>>>>
>>>> re: How can I set x tick and y tick (-300,300) like radar_2 example?
>>>>
>>>> radar_2 uses cartesian coordinates not lat/lon
>>>>
>>>> A minor minor addition to place a grid over the middle figure.
>>>>
>>>> *https://www.ncl.ucar.edu/Applications/regrid.shtml* <https://www.ncl.ucar.edu/Applications/regrid.shtml>
>>>> Example 15
>>>>
>>>> If you want to convert to cartesian, you will have to do that yourself.
>>>>
>>>>
>>>>
>>>>
>>>> On Tue, Jul 9, 2019 at 3:00 AM Md. Jalal Uddin <dmjalal90 at gmail.com>
>>>> wrote:
>>>>
>>>>> Thank you, sir. regrid_15 example works very well for one center
>>>>> (attached figure).
>>>>>
>>>>> How can I plot for multiple centers?
>>>>> How can I set x tick and y tick (-300,300) like radar_2 example? (
>>>>> https://www.ncl.ucar.edu/Applications/Scripts/radar_2.ncl)
>>>>>
>>>>> On Tue, Jul 9, 2019 at 5:42 AM Dennis Shea <shea at ucar.edu> wrote:
>>>>>
>>>>>> Not sure what you are asking: What does "my TRMM rainfall data" look
>>>>>> like.
>>>>>> ===
>>>>>>
>>>>>> Generally: TRMM is on a 0.25 global rectilinear grid [400x1440]
>>>>>> spanning 49.875S to 49.875N
>>>>>>
>>>>>> ===
>>>>>>
>>>>>> If you have the latitudes and longitudes corresponding to some
>>>>>> r,theta [say: plat(:,:), plon(:,:) ] then use
>>>>>>
>>>>>> res at sfXArray = plon
>>>>>> res at sfYArray = plat
>>>>>>
>>>>>> and use appropriate contour function.
>>>>>> ====
>>>>>>
>>>>>> If you want to specify some central location [clat, clon] then maybe
>>>>>>
>>>>>> *http://www.ncl.ucar.edu/Applications/regrid.shtml*
>>>>>> <http://www.ncl.ucar.edu/Applications/regrid.shtml>
>>>>>> Example 15
>>>>>>
>>>>>> If you do not want the plot over a map: eliminate 'mp' related
>>>>>> resources and use (say) gsn_csm_contour instead of gsn_csm_contour_map. See
>>>>>> the leftmost and center figures.
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Sun, Jul 7, 2019 at 11:53 PM Md. Jalal Uddin via ncl-talk <
>>>>>> ncl-talk at ucar.edu> wrote:
>>>>>>
>>>>>>> Hi all,
>>>>>>>
>>>>>>> How can I plot my TRMM rainfall data as a similar to radar_2 example
>>>>>>> (https://www.ncl.ucar.edu/Applications/Scripts/radar_2.ncl)?
>>>>>>>
>>>>>>> How can I modify here?
>>>>>>>
>>>>>>> angles = f->azimuth
>>>>>>> angles(0:63) = angles(0:63)-360 ; fix to make angles monotonic
>>>>>>>
>>>>>>> DEGTORAD = 0.017453292519943
>>>>>>> xcenter = 0.0
>>>>>>> ycenter = 0.0
>>>>>>> radius = 960 * 0.25 ; this is radius in kilometers
>>>>>>>
>>>>>>> ; Create 2D coordinate arrays.
>>>>>>> inc = radius / (dsizes(1) - 1)
>>>>>>> x = inc * ispan(0,dsizes(1)-1,1)
>>>>>>> angles2d = conform(dbz,angles,0)
>>>>>>> x2d = conform(dbz,x,1)
>>>>>>> xarr = xcenter + x2d * cos(DEGTORAD * angles2d)
>>>>>>> yarr = ycenter + x2d * sin(DEGTORAD * angles2d)
>>>>>>>
>>>>>>>
>>>>>>> Best wishes,
>>>>>>> Jalal
>>>>>>> --
>>>>>>> *Md. Jalal Uddin*
>>>>>>> MSc in Applied Meteorology (English Language)
>>>>>>> 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
>>>>>>> Twitter: dmjalal90
>>>>>>> Skype: dmjalal90
>>>>>>> _______________________________________________
>>>>>>> ncl-talk mailing list
>>>>>>> ncl-talk at ucar.edu
>>>>>>> List instructions, subscriber options, unsubscribe:
>>>>>>> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>>>>>>
>>>>>>
>>>>>
>>>>> --
>>>>> *Md. Jalal Uddin*
>>>>> MSc in Applied Meteorology (English Language)
>>>>> 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
>>>>> Twitter: dmjalal90
>>>>> Skype: dmjalal90
>>>>>
>>>>
>>>
>>> --
>>> *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
>>>
>>
>
> --
> *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
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.ucar.edu/pipermail/ncl-talk/attachments/20190711/65698fb2/attachment.html>
More information about the ncl-talk
mailing list