[Numpy-discussion] what python module to modify NetCDF data?

Kiko kikocorreoso@gmail....
Sat Oct 8 11:12:47 CDT 2011


Quoting Chao YUE <chaoyuejoy@gmail.com>:

>
> > Dear all,
> >
> > I want to change some variable values in a series of NetCDF file. Did
> > anybody else did this before using python?
> > Now I use pupynere for reading data from NetCDF files and making plots.
> but
> > the document of pupynere for writing data to NetCDF file is quite simple
> and
> > I still feel difficult to do this with pupynere.
> >
> > the NetCDF file I want to change is a global data (0.5X0.5d resolution,
> > 360X720grid with 12 time steps) and have approx. 10 variables. I just
> want
> > to change some points for a specific
> > variable for all 12 time steps. I know it's possible use NCO ncap2
> utility
> > to do the job. but now I have some problem in using ncap2 within a shell
> > script.
> > I guess there is some easy way to use some python module to do the job?
> like
> > mainly altering the data that need to change while let the others
> remaining
> > intact?
> >
> > Any idea will be greatly appreciated. I will all a good weekend,
> >
> > Chao
>

Hi.

Have a look to [1] and [2].

[1] http://code.google.com/p/netcdf4-python/
[2] http://www.scipy.org/doc/api_docs/SciPy.io.netcdf.html
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