RE: [OpenMap Users] Area

From: Sutphin, William B CIV NUWC NWPT <william.sutphin_at_navy.mil>
Date: Tue, 8 Jun 2010 12:46:36 -0400

Thanks. And the negative values? Assume it is rotation of the polygon. Abs value take care of this?

Bill Sutphin
Naval Undersea Warfare Center, Division Newport
Bldg 1351, Room 211C
Newport, RI 02841
(401) 832-5813
DSN 432-5813

 

> -----Original Message-----
> From: Don Dietrick [mailto:dfdietrick_at_gmail.com]
> Sent: Tuesday, June 08, 2010 11:36
> To: Sutphin, William B CIV NUWC NWPT
> Cc: openmap-users_at_bbn.com
> Subject: Re: [OpenMap Users] Area
>
> Hi Bill,
>
> That method is giving you square radians. You can convert it
> to square KM by multiplying that area result by:
>
> double kmVal = Length.KM.fromRadians(1); double kmArea = area
> * kmVal * kmVal;
>
> - Don
>
>
> On Jun 7, 2010, at 4:32 PM, Sutphin, William B CIV NUWC NWPT wrote:
>
> > Hi
> >
> > Looking for the area of a list of Geo's. Found "area" in
> Geo, but not sure what it's returning me. Would like Km^2.
> >
> > Thanks
> >
> > Bill Sutphin
> > Naval Undersea Warfare Center, Division Newport Bldg 1351,
> Room 211C
> > Newport, RI 02841
> > (401) 832-5813
> > DSN 432-5813
>
>



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Received on Tue Jun 08 2010 - 12:49:16 EDT

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