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

[Guido Cioni]

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_quarter_ss/
> wrfout_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
>>
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>>
>> 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
>
>
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