[GRASS5] GRASS, PROJ and NAD

[Hamish]

> > 129582 cols * 1/6 nmile = 21597.
...
> As to what effect that will have in GRASS on global datasets, such as
> the accuracy of data viewed with d.*.viewproj ....? Not much we can do
> about it I guess without going to a 3d grid.


never mind. not thinking. 1/6 nmile should be 1/6' and is therefore scaled..


great circle calculator:
http://packages.debian.org/gcb