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Re: IDL function to get area cover of polygon [message #73280]

Wed, 03 November 2010 17:06

JDS
Messages: 94
Registered: March 2009

Member

On Nov 2, 7:44 pm, Seb <g5s...@web.de> wrote:
> Hi,
>
> I have the longitude/latitude coordinates of a polygon, and I am
> looking for a function which calculates the area covered by the
> polygon (e.g. in km^2). I am sure there is a function like this but
> was unable to find it.
>
> Any advice is much appreciated.

I have a function which computes the solid angle of a spherical
polygon in steradians, given ra/dec input:

http://tir.astro.utoledo.edu/idl/spherical_poly_area.pro

JD

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		Re: IDL function to get area cover of polygon By: JDS on Wed, 03 November 2010 17:06
		Re: IDL function to get area cover of polygon By: Seb on Wed, 03 November 2010 02:50
		Re: IDL function to get area cover of polygon By: penteado on Tue, 02 November 2010 16:55

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