Re: Convert Decimal Degrees to Meters

In OpenMap, you can use the com.bbn.openmap.proj.Length object:

float numMeters =
Length.METER.fromRadians(Length.DECIMAL_DEGREE.toRadians
(numDecimalDegrees));

Cheers,

Don

On Wednesday, November 21, 2001, at 07:54 AM, Geoffrey S. Knauth wrote:

>> I am trying to convert Decimal Degrees to Linear Units say Meters
>
> There are 6076 ft in a nautical mile (1 minute of arc), 364560 ft in
> 60 minutes of arc or one degree (of latitude).
>
> That's an average number I've heard over the years.
>
> I found the following additional data from The American Practical
> Navigator (Bowditch):
>
> 1' of equator = 6,087.264 feet
> = 1,855.398 meters
>
> 1' of latitude = 6,046.342 feet
> at equator = 1,842.925 meters
>
> 1' of latitude = 6,107.828 feet
> at pole = 1,861.666 meters
>
> --
> Geoffrey S. Knauth http://knauth.org/gsk
> BBN Technologies, 617-873-5257
> --
> [To unsubscribe to this list send an email to "majdart@bbn.com"
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>
>

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Donald Dietrick, dietrick@bbn.com
BBN Technologies, Cambridge, MA
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