[ncl-talk] Problem with plotting results from RegCM-4-6-0

Setareh Rahimi setareh.rahimi at gmail.com
Fri Aug 16 08:42:12 MDT 2019


Dear Dennis,

Many thanks and best wishes.

On Thu, Aug 15, 2019 at 3:37 AM Dennis Shea <shea at ucar.edu> wrote:

> [1] re: "...but the plot shows values for whole the globe."
>
> There are *many* NCL examples of plotting regional data over a map.
> EG:
> *http://www.ncl.ucar.edu/Applications/plot_data_on_map.shtml*
> <http://www.ncl.ucar.edu/Applications/plot_data_on_map.shtml>
> *http://www.ncl.ucar.edu/Applications/toulouse.shtml*
> <http://www.ncl.ucar.edu/Applications/toulouse.shtml>
> *http://www.ncl.ucar.edu/Applications/wrf.shtml*
> <http://www.ncl.ucar.edu/Applications/wrf.shtml>
> *http://www.ncl.ucar.edu/Applications/narr.shtml*
> <http://www.ncl.ucar.edu/Applications/narr.shtml>
> ....
> ....
> *http://www.ncl.ucar.edu/Applications/rcm.shtml*
> <http://www.ncl.ucar.edu/Applications/rcm.shtml>
>
> The last one has RCM examples but the approach is the same acro*s*s
> models.
>
> [1] Most have map parameters included on the file.
> [2] The *user* must look for them since there is no universal standard.
> [3] The user must use the appropriate resources in the plot scripts.
>
> --
> "Dust" data are typically highly skewed. It is the user responsibility to
> set graphic resources appropriately.
> As noted previously, t*he 'golden rule' of data processing is know your
> data!* Thisis the *user's responsibility*. This means the user should
> "explore" the data. The *' stat_dispersion *
> <http://www.ncl.ucar.edu/Document/Functions/Contributed/stat_dispersion.shtml>'
> function is often useful. Further, the output can be useful for setting
> optimal contour resources,
>
> --
> See: *rcm_5 and rcm_6* @ *http://www.ncl.ucar.edu/Applications/rcm.shtml*
> <http://www.ncl.ucar.edu/Applications/rcm.shtml>
>
> Two figures are attached
> --
>
> These use a  "Starts-with-white color table" because the low values of
> 'emflx' are not so important.
> **YOU** should explore data using different color tables. Good use of
> color can emphasize important features.
>
> Good luck
>
>
>
>
>
>
>
>
>
>
> On Wed, Aug 14, 2019 at 2:49 PM Setareh Rahimi via ncl-talk <
> ncl-talk at ucar.edu> wrote:
>
>>  dust2018.nc
>> <https://drive.google.com/file/d/1g-33FIx7uPkG_KVWOdYlvJ6sJUCbH3Dq/view?usp=drive_web>
>> Dear all,
>> I have some results from RegCM model for my study area. Once trying to
>> plot variable *emflx (emission flux),* I face some problems.
>> Problems:
>> 1. Although I run the model for my study are, but the plot shows values
>> for whole the globe.  The values are not also responsible. why did these
>> happen?
>> 2.* The emflx*, has coordinate variables in the cartesian system (
>> iy,jx), how can I convert theme to the rectilinear grid?
>> I attached the model result and some images. please check those.
>> Please kindly advice me in term of these issues.
>> Best wishes,
>>
>> --
>> S.Rahimi
>>
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>
>

-- 
S.Rahimi
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