I'll try to answer everyone's suggestions:
I didn't know that Yahoo's service was in 4326. That did change things up a
bit. And, yes, I did copy the value from Birmingham to Miami twice. Sorry
about that. . .
My customer was comparing my results to a different source but it seems
close to Googl
You're using polar stereograpic as your projection?
http://nsidc.org/data/atlas/epsg_32661.html
Well, yes, the farther south you go, the more over-determined your
distance will be.
Use the geography type, as suggested below, or the
st_distance_spheroid() function, or just use a projection that i
Hi Mike and Nicolas,
The fact that Mike's two calculations resulted in the same value to 12
decimal places is more that a little fishy. I seem to remember a similar
issue coming up on this list sometime ago (roughly a year ago is my,
faulty, memory). The difference between southern and norther
On 15 August 2011 12:50, Mike Hostetler wrote:
> Hello,
> I'm somewhat new to GIS and I have a problem that I thought appeared to be
> simply using a wrong projection or datum, but it seems to be a bit more
> subtle than that.
> I have a table of cities in the US and I'm trying to find distances b
Hello,
I'm somewhat new to GIS and I have a problem that I thought appeared to be
simply using a wrong projection or datum, but it seems to be a bit more
subtle than that.
I have a table of cities in the US and I'm trying to find distances between
them. When I use a city that is in the northern U