[ncl-talk] Area average using multiple shapefiles

[Xueyan Zhang]

Awesome, thanks!

On Sat, May 9, 2020 at 10:07 AM Dave Allured - NOAA Affiliate <
dave.allured at noaa.gov> wrote:

> You can do this in a single run in an NCL program.  Get a list of all the
> shapefile names.  This can be done externally, or within NCL like this:
>
>    file_names = systemfunc ("ls -1 path/*.shp")
>
> Then read all the precip data into a large array, one time only.  Then
> loop over all the names of the shape files.  For each shape file, use one
> of the known NCL methods to compute areal average over the defined region
> on the precip array.  When the loop is finished, you will have one areal
> average for each region.
>
>
> On Sat, May 9, 2020 at 9:40 AM Xueyan Zhang via ncl-talk <
> ncl-talk at ucar.edu> wrote:
>
>> Hello ncl-talk,
>>
>> I want to calculate areal average of precipitation (netcdf format) for
>> hundreds of small regions that are defined by shapefiles with different
>> names. Any ideas to do a batch work?
>>
>> Thank you!
>>
>> Xueyan
>>
>
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