Re: AI-GEOSTATS: Coordinate conversion near the poles

2004-02-14 Thread Jim Bash
Sorry, I didn't notice the reference to the Faulklands, just the question about "near the south pole". 60S isn't that 'near' and UTM would be fine if the study stays in one zone. On Sat, 14 Feb 2004, Roger Bivand wrote: > Hold on. hold on! Look, Bergen, Norway is 60N, the Falklands, even with > S

Re: AI-GEOSTATS: Coordinate conversion near the poles

2004-02-14 Thread Roger Bivand
On Fri, 13 Feb 2004, Jim Bash wrote: Hold on. hold on! Look, Bergen, Norway is 60N, the Falklands, even with South Georgia, are not even 60S. I protest that this isn't that near the poles, even the Arctic and Antarctic circles are at 66.6...N, and that's well within the 80N/S of UTM. The questi

Re: AI-GEOSTATS: Coordinate conversion near the poles

2004-02-13 Thread Federico Pardo
Ruben: Near the poles, some people use the Gauss-Kruger projection method. It will create 2 new Poles at the Earth Equator and you need to choose what Meridian will become the new "Equator". Then if you choose Meridian over the Malvinas, they will appear as being at the Equator. Good luck!

Re: AI-GEOSTATS: Coordinate conversion near the poles

2004-02-13 Thread Jim Bash
The UTM grid system only extends to 80 degrees south (and 84 north). There is another system for polar areas, the Universal Polar Stereographic Grid System (UPS). I've never had occassion to look at UPS so I can't say what projection is used but it, like the UTM system, is designed to have a certa

AI-GEOSTATS: Coordinate conversion near the poles

2004-02-13 Thread Ruben Roa Ureta
Hi list members: I am now embarked in a project of fish stock assessment in the Falklands using both hydroacoustics and fish density data from trawling, and of course i want to use geostatistics for data analysis. I read in ai-geostat archives a discussion not long ago about coordinate transformati