[ncl-talk] XY Plot from 3 Different WRF Simulations Question

Mon Feb 26 16:38:56 MST 2018

Hi Mary, Guido, and Dennis,

Thanks so much for the quick and informative replies. Guido's solution
worked for me, but the solutions you sent will definitely be useful in the
future!

Many thanks!

Nick

On Mon, Feb 26, 2018 at 3:54 PM, Mary Haley <haley at ucar.edu> wrote:

> Hi Nick,
>
> Guido showed you one way to do this by putting all your points into a
> single array.
>
> If your arrays are different lengths (or even if they aren't), then
> another possible solution is to use the "overlay" procedure.  See example
> xy_32.ncl on this page:
>
> https://www.ncl.ucar.edu/Applications/overlay.shtml
>
> I've also attached a simple example that uses dummy data. There are four
> images created by this example.
>
> --Mary
>
>
>
>
> On Mon, Feb 26, 2018 at 2:56 PM, Nicholas Thomas Luchetti <
> Nicholas.Luchetti at colorado.edu> wrote:
>
>> Ahh!
>>
>> Didn't think to do that! This makes plenty sense. I'll give this a try!
>>
>> Many thanks!
>>
>> Nick Luchetti
>>
>> On Mon, Feb 26, 2018 at 2:52 PM, Guido Cioni <guidocioni at gmail.com>
>> wrote:
>>
>>> It's still not clear to me. Why do you want to read the data in the same
>>> variable? Do you want to merge the data over time or still have 3 different
>>> lines?
>>>
>>> In the latter case you need 3 differnt variables a1, a2, a3 which you
>>> can then put in an array data=(/a1, A2, a3/) and plot with gsn_csm_xy. NCL
>>> will already interpret this as data with a shared x axis and plot it with 3
>>> differnt lines.
>>>
>>> I suggest you to read the beginner guide of NCL.
>>>
>>> Il 27 feb 2018 8:45 AM, "Nicholas Thomas Luchetti" <
>>> Nicholas.Luchetti at colorado.edu> ha scritto:
>>>
>>>> Hi Guido,
>>>>
>>>> Thanks for the response.
>>>>
>>>> I suppose I'm confused considering that the NCL WRF samples suggest
>>>> using the "addfile" function to read in the data as so:
>>>>
>>>>  a = addfile("/Users/nicholasluchetti/Build_WRF/WRFV3/test/em_qua
>>>> rter_ss/wrfout_d01_simulation_1.nc
>>>> <http://secure-web.cisco.com/124RRQDniXpQP_mnEMBPYjNp_N4N8PBqZ60K61bo2n63M_HxMGayFHhB6l0uJywwpe7WHqr-LxyoQf718diKRQtIGTqtVfc0XCZnszB0isK5szD9AaakR2H9ts9MSqhw4vkPGJSMY6f2hYg0v0j9aUAofAmZ6h2l1-MUJ7Lt9xI6XmWwKN7iQs3BsjKz2FxwC7Es0--QrPC3KzJl45lrAEycZXWNUYr7IwvnATqDztdTrNRFLTPKCXQzxibrAyj5AqSbhE5WwTpL-0guBg_h99MXZx87Cb-4vAxLN_T4apcmUOXL0yBjMwq5i-owtY-jkkoIVoJSCfjSLsfjqU3cV7c-aG_hPgl4wxjkwDhVRFt7HhAS0ZPwxehOzj3IhLHRacxE-cnBOZF1T0pSuevzLj2ixkIcjkE_elizbYuucGySO200ukRp-scvrVIRqqyvF/http%3A%2F%2Fwrfout_d01_simulation_1.nc>
>>>> ","r")
>>>>
>>>> That's for 1 simulation..... Can I add a second wrfoutput .nc file
>>>> (with my second simulation) in the same variable a? I don't see how this is
>>>> possible?
>>>>
>>>> Thanks!
>>>>
>>>> Nick Luchetti
>>>>
>>>> On Mon, Feb 26, 2018 at 2:39 PM, Guido Cioni <guidocioni at gmail.com>
>>>> wrote:
>>>>
>>>>> Nicolas,
>>>>> if the data is dimensioned the same in all simulations there is really
>>>>> nothing different from plotting 3 variables from the same simulation :)
>>>>>
>>>>> Just read the data, put it in an array and plot it using gsn_csm_xy.
>>>>>
>>>>> Otherwise you'll have to explain in detail why it doesn't work.
>>>>>
>>>>> Cheers
>>>>>
>>>>> On 27. Feb 2018, at 07:57, Nicholas Thomas Luchetti <
>>>>> Nicholas.Luchetti at colorado.edu> wrote:
>>>>>
>>>>> Hi all,
>>>>>
>>>>> I am trying to plot the same variable from 3 separate WRF runs
>>>>> (sensitivity type analysis) on the same x y plot... However, after scouring
>>>>> over all xy plot examples on the NCL help site, I can't find a clear cut
>>>>> way to do this.... All the examples seem have each line from 1 input data
>>>>> source (just sliced arrays from the same data source)...
>>>>>
>>>>> Can you provide guidance, or a link to an example that plots the same
>>>>> variable, over the same time period, but from 3 different data sources?
>>>>>
>>>>> Thanks!
>>>>>
>>>>> Nick Luchetti
>>>>>
>>>>> --
>>>>> Nicholas Luchetti
>>>>> Graduate Student
>>>>> Department of Atmospheric and Oceanic Sciences (ATOC)
>>>>> CU Boulder
>>>>>
>>>>> _______________________________________________
>>>>> ncl-talk mailing list
>>>>> ncl-talk at ucar.edu
>>>>> List instructions, subscriber options, unsubscribe:
>>>>> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>>>>>
>>>>>
>>>>>
>>>>> Guido Cioni
>>>>> http://guidocioni.altervista
>>>>> <http://secure-web.cisco.com/1g-90tMnR_YCu_cJsHHQIlV2s7gjyKNDfZTNaWvzzYXeGY26H6P5IicImdCBslB42b1QkIXGjv93SQ6ym8q39x6Dl2F7YsADUjIgc53fwtK_zy0ICUzxvOE_3pZxidLnp7SegehspEsmxR02PdeLKn-YLc7sWJ4d1bl9QTxCwgW8Xbyclm3g6xNj6qpyzRxQZLrjrS_X_w5No8PTahre2SjO_8xZy6ldiEvkHxwS_eOgcA0n8QG9qpVuyQpJ2wlfOkv66iuQAo9Mc9Au1P8CvA-nYKQ_Yy4NmIRXahEiOH_bNAN71MoKVn97RunUrB2EY7jHd5jBeGI6M2d1rpY0-CcaLysI2YVvooMze_SOW5PVxNS1FRnuUyl0rBC7LNxNQxp2AxKy4u3sVXRo_ThX2e1LzK0QfSzUnhMNcaGElWJejysRxWdLGsLCy4yVdlGSQ/http%3A%2F%2Fguidocioni.altervista>
>>>>> .org
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> Nicholas Luchetti
>>>> Graduate Student
>>>> Department of Atmospheric and Oceanic Sciences (ATOC)
>>>> CU Boulder
>>>>
>>>>
>>
>>
>> --
>> Nicholas Luchetti
>> Graduate Student
>> Department of Atmospheric and Oceanic Sciences (ATOC)
>> CU Boulder
>>
>>
>> _______________________________________________
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>>
>>
>

-- 
Nicholas Luchetti
Graduate Student
Department of Atmospheric and Oceanic Sciences (ATOC)
CU Boulder
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