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Results tagged with geodesic
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user 3195
A geodesic is the shortest path between two points on a curved surface; in this context applies to questions where the curved surface is the earth's surface.
5
votes
Accepted
Moving dead ahead: rhumb line, great circle or none
If the wheels are pointing straight ahead, you are taking the shortest route toward some point directly ahead and thus following a great circle (or geodesic). …
- 9,001
2
votes
Which one of these azimuth values is the right one? And why?
First, be careful with phrasing. Your "the angle between two locations" is unclear.
Keeping things to a simple sphere, the azimuth of any oblique great circle route depends entirely on where you mea …
- 9,001
1
vote
Geodesic measurements for short distances throughout US?
No, if using the ArcGIS "Near" tool because, even if the coordinate system is geographic/geodetic, it does not calculate geodesic distances; it merely treats those geographic coordinates as though they … Yes, if you correctly calculate geodesic distances using geographic coordinates between points in or near downtown -- and you compare those with similar calculations made in completely different cities …
- 9,001
1
vote
Is the Azimuth on the equator equal to the one not on the equator?
On the surface of a sphere, all lines are "horizontal lines" by definition. But you mean something else!
If you refer to lines parallel to the equator (parallels of latitude), then they are all orien …
- 9,001