regarding coversion latitude and longitude valuse convert meters

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i have some latitude and longitude points how to convert that values am getting confused how to convert please give me sum suggestion are one example
i want conversion from meters
these are the values
X Y
78.0095775618516 16.9957661723885
78.010834464006 16.9956467424528
78.0121448607333 16.9955824714562
78.0141478411057 16.9955893816911
78.0142280261411 16.9959154857042

Posted 16-Oct-13 21:29pm

rockjelly

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Gabriel Szabo · Answer 1 · 2013-10-16T22:58:00

Solution 1

Refer to following article which explains non-Euclidean geometry distance calculations on a spherical object.

Posted 16-Oct-13 22:58pm

Gabriel Szabo

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rockjelly 17-Oct-13 5:04am

how to convert that values radians to meters

OriginalGriff · Answer 2 · 2013-10-16T22:58:00

Latitude and longitude specify points on a sphere, relative to other features: the equator in the case of latitude, and Greenwich in the case of longitude.
There is no "fixed reference point" for you to use as a basis of a distance so you can't just "convert them to metres" - even if you postulated the reference point as "the intersection of the Greenwich meridian with the equator", would that be "a straight line from the reference point to the Lat and Long"? Or the Great Circle distance? Or what?

It doesn't make sense. You can establish a "distance" in metres between two Lat & Long values, but even then, there are various ways that that distance could be calculated.

I think you need to consider your project a little more carefully, and work out exactly what you are trying to achieve before going any further - because I don't think you have fully considered what you are trying to do! :laugh: