[ncl-talk] Fwd: Make a plot

Mary Haley haley at ucar.edu
Mon Jan 23 09:52:27 MST 2017


Kwesi,

If you are new to NCL, I suggest that you start by looking at this tutorial:

https://dl.dropboxusercontent.com/u/8357888/homepage/tutoriais/ncl/NCL_Tutorial_V1.1.pdf

It's a very nice step-by-step tutorial on how to create NCL graphics. This
tutorial starts off with simple examples and then gradually moves onto more
complex examples.

To see some basic examples of plotting data over a map, go to our examples
page:

"Plotting data on a map"
http://www.ncl.ucar.edu/Applications/plot_data_on_map.shtml

This gives you an overview of how to understand your data so you know how
to plot it correctly.  You have data on a rectilinear grid, which is
usually the easiest kind of data to plot, because the lat/lon arrays
associated with your data are actually attached to the variable when you
read the data in.

Please see the attached script, which I started for you, based on examples
dataonamap_1.ncl and dataonamap_7.ncl.

Hopefully you can take it from here, by reading the above tutorial, and
looking over some of the examples on our website:

http://www.ncl.ucar.edu/Applications/

You may also want to see our examples page that is specifically for
precipitation:

http://www.ncl.ucar.edu/Applications/HiResPrc.shtml

It says "high-res" on the page, but really, you can use this for low
resolution too.

--Mary


On Mon, Jan 23, 2017 at 1:59 AM, Kwesi Quagraine <starskykwesi at gmail.com>
wrote:

> Hello was wondering if anyone could help me with this? thanks
> ---------- Forwarded message ----------
> From: Kwesi Quagraine <starskykwesi at gmail.com>
> Date: Sun, Jan 22, 2017 at 1:45 PM
> Subject: Make a plot
> To: "ncl-talk at ucar.edu" <ncl-talk at ucar.edu>
>
>
> Hello NCLers, I want to make a plot similar to the one attached with the
> data attached as well. I will be grateful if someone can  point me in a
> direction. Thanks in advance.
>
> Regards,
> Kwesi
>
>
> var summary;
> Variable: pr
> Type: float
> Total Size: 22296240 bytes
>             5574060 values
> Number of Dimensions: 3
> Dimensions and sizes:    [time | 180] x [lat | 179] x [lon | 173]
> Coordinates:
>             time: [15011.5..20455.5]
>             lat: [-46.25..42.75]
>             lon: [-25.25..60.75]
> Number Of Attributes: 5
>   standard_name :    precipitation_flux
>   long_name :    Precipitation
>   units :    kg m-2 s-1
>   _FillValue :    1e+20
>   cell_methods :    time: mean
> (0)    Precipitation (kg m-2 s-1) : min=0   max=0.00116586
>
> --
> Try not to become a man of success but rather a man of value-Albert
> Einstein
>
> University of Cape Coast|College of Agriculture and Natural Sciences|Department
> of Physics|
> Team Leader|Recycle Up! Ghana|Technology Without Borders|
> Other emails: kwesi.quagraine at ucc.edu.gh|kwesi.quagraine at teog.de|
> Mobile: +233266173582 <+233%2026%20617%203582>
> Skype: quagraine_cwasi
> Twitter: @Pkdilly
>
>
>
>
> --
> Try not to become a man of success but rather a man of value-Albert
> Einstein
>
> University of Cape Coast|College of Agriculture and Natural Sciences|Department
> of Physics|
> Team Leader|Recycle Up! Ghana|Technology Without Borders|
> Other emails: kwesi.quagraine at ucc.edu.gh|kwesi.quagraine at teog.de|
> Mobile: +233266173582 <+233%2026%20617%203582>
> Skype: quagraine_cwasi
> Twitter: @Pkdilly
>
>
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