[ncl-talk] IBTrACS: storm tracking problem

Wed Jan 27 20:29:52 MST 2021

Thank you, sir, for your kind help. I am getting the same result as before.
Please see the attached file.

Regards,
Jalal

On Thu, 28 Jan 2021 at 06:18, Adam Phillips <asphilli at ucar.edu> wrote:

> Hi Jalal,
> As you switched to using gsn_add_polyline/gsn_add_polymarker, my previous
> advice will not work. The gs resources do not allow one to specify multiple
> colors for multiple entries. Looking at your script, it looks to me like
> you are only drawing one storm path, but your graphic shows multiple.
> stormLat/stormLon look like single dimensioned arrays. (Maybe I am
> misreading your code though.)
>
> In any case, assuming you have multiple tracks, you need to loop over each
> track, setting each track a different color along the way:
> ; ntracks is the number of tracks to be plotted
>
> colors = (/"red","blue","green","yellow"/)   ; and so on and so on
> d1 = new(ntracks,graphic)
> d2 = d1
> do gg = 0,ntracks-1   ; loop over each track
>     resp at gsLineColor = colors(gg)
>     amres at gsMarkerColor = colors(gg)
>     d1(gg) = gsn_add_polyline(wks,map,stormLon,stormLat,resp)
>     d2(gg) = gsn_add_polymarker(wks,map,stormLon,stormLat,amres)
> end do
> draw(map)
> frame(wks)
>
> For the colors, you can alternatively go old school and read in a colormap
> directly and just refer to color indices:
> gsn_define_colormap(wks,"srip_reanalysis") ; only has 19 colors
> ; (no need to set a colors array)
> do gg = 0,ntracks-1   ; loop over each track
>     resp at gsLineColor = gg+2
>     amres at gsMarkerColor = gg+2
>
> Anyway, the above should at the very least be able to get you started.
> Good luck!
> Adam
>
>
> On Mon, Jan 25, 2021 at 6:52 PM Md. Jalal Uddin <dmjalal90 at gmail.com>
> wrote:
>
>> Sorry, I forgot to add the updated script. Please see attached.
>>
>> On Tue, 26 Jan 2021 at 07:59, Adam Phillips <asphilli at ucar.edu> wrote:
>>
>>> Hi Jalal,
>>> You did not send an updated version of your script, so I can only
>>> address what you are doing by looking at the script attached to your
>>> initial ncl-talk email. Assuming that you are drawing all the tracks with a
>>> single gsn_csm_xy plot call, you will need to set the color of each marker
>>> using the xyMarkerColors resource.
>>>
>>> http://www.ncl.ucar.edu/Document/Graphics/Resources/xy.shtml#xyMarkerColors
>>> An example of doing this can be seen in XY example 37 here:
>>> http://www.ncl.ucar.edu/Applications/xy.shtml#ex37
>>> Hope that helps!
>>> Adam
>>>
>>>
>>> On Mon, Jan 18, 2021 at 6:52 AM Md. Jalal Uddin via ncl-talk <
>>> ncl-talk at mailman.ucar.edu> wrote:
>>>
>>>> Hi all,
>>>>
>>>> I have solved the previous issue. However, I am still facing a problem.
>>>> All typhoons are getting one line (attached figure), but every typhoon
>>>> should have a different line.
>>>>
>>>> Any suggestions would be appreciated.
>>>>
>>>> On Sun, 17 Jan 2021 at 12:28, Md. Jalal Uddin <dmjalal90 at gmail.com>
>>>> wrote:
>>>>
>>>>> Hi all,
>>>>>
>>>>> I am getting a map for only one typhoon instead of all (attached
>>>>> figure). I followed the ibtracs_1.ncl example (
>>>>> https://www.ncl.ucar.edu/Applications/Scripts/ibtracs_1.ncl). I need
>>>>> to modify the following code.
>>>>>
>>>>> ID      = 2
>>>>>  year  = 2019
>>>>>
>>>>> if( ID.ge.2 ) then
>>>>>     stormInd = ind( ( year.eq.stormYear ).and.( ID.eq.stormID ) )
>>>>>   else
>>>>>     stormInd = ind( stormID.gt.ID )
>>>>>   end if
>>>>>
>>>>>   stormLat = Latitude(stormInd)
>>>>>   stormLon = Longitude(stormInd)
>>>>>
>>>>> The full code and data have been added in the attachment.
>>>>>
>>>>> Best regards,
>>>>> Jalal
>>>>> --
>>>>> *Md. Jalal Uddin*
>>>>> Founder and Director of Research Society (
>>>>> https://researchsociety20.org/founder-and-director/)
>>>>> PhD candidate - Atmospheric Physics and Atmospheric Environment (NUIST)
>>>>> M.Sc. in Applied Meteorology (NUIST)
>>>>> B.Sc. in Disaster Management (PSTU)
>>>>> Email: dmjalal90 at nuist.edu.cn
>>>>> Personal website: https://dmjalal90.weebly.com/
>>>>> Research gate profile:
>>>>> https://www.researchgate.net/profile/Md_Uddin125
>>>>> YouTube channel: http://www.youtube.com/c/MdJalalUddindmjalal90
>>>>> Cell: +8613260859092, +8801792052662
>>>>>
>>>>
>>>>
>>>> --
>>>> *Md. Jalal Uddin*
>>>> Founder and Director of Research Society (
>>>> https://researchsociety20.org/founder-and-director/)
>>>> PhD candidate - Atmospheric Physics and Atmospheric Environment (NUIST)
>>>> M.Sc. in Applied Meteorology (NUIST)
>>>> B.Sc. in Disaster Management (PSTU)
>>>> Email: dmjalal90 at nuist.edu.cn
>>>> Personal website: https://dmjalal90.weebly.com/
>>>> Research gate profile: https://www.researchgate.net/profile/Md_Uddin125
>>>>
>>>> YouTube channel: http://www.youtube.com/c/MdJalalUddindmjalal90
>>>> Cell: +8613260859092, +8801792052662
>>>> _______________________________________________
>>>> ncl-talk mailing list
>>>> ncl-talk at mailman.ucar.edu
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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>
>>>
>>
>>
>> --
>> *Md. Jalal Uddin*
>> Founder and Director of Research Society (
>> https://researchsociety20.org/founder-and-director/)
>> PhD candidate - Atmospheric Physics and Atmospheric Environment (NUIST)
>> M.Sc. in Applied Meteorology (NUIST)
>> B.Sc. in Disaster Management (PSTU)
>> Email: dmjalal90 at nuist.edu.cn
>> Personal website: https://dmjalal90.weebly.com/
>> Research gate profile: https://www.researchgate.net/profile/Md_Uddin125
>> YouTube channel: http://www.youtube.com/c/MdJalalUddindmjalal90
>> Cell: +8613260859092, +8801792052662
>>
>
>
> --
> 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>
>

-- 
*Md. Jalal Uddin*
Founder and Director of Research Society (
https://researchsociety20.org/founder-and-director/)
PhD candidate - Atmospheric Physics and Atmospheric Environment (NUIST)
M.Sc. in Applied Meteorology (NUIST)
B.Sc. in Disaster Management (PSTU)
Email: dmjalal90 at nuist.edu.cn
Personal website: https://dmjalal90.weebly.com/
Research gate profile: https://www.researchgate.net/profile/Md_Uddin125
YouTube channel: http://www.youtube.com/c/MdJalalUddindmjalal90
Cell: +8613260859092, +8801792052662
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