Re: [ferret

Re: [ferret_users]

To: ferret_users@xxxxxxxx

Subject: Re: [ferret_users]

From: Russ Fiedler <russell.fiedler@xxxxxxxx>

Date: Thu, 17 May 2018 15:18:15 +1000

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Hi Vanessa,

Check out the PT_IN_POLY function

http://ferret.pmel.noaa.gov/Ferret/documentation/users-guide/appendix-a-external-functions/pt_in_poly

The example there shows you how to create a mask based on points lying within a user defined polygon

Cheers,
Russ

On 17/05/18 14:46, Vanessa Masoleh wrote:

Hallo everyone,

I want to create a Hovmoller diagram with current data, but only use a few latitude and longitude points. like the picture below.

how do I select some of the longitude and latitude points within the red circle?

Thank you

Regards

Vanessa

References:

[ferret_users]
- From: Vanessa Masoleh