[GRASSLIST:9327] Re: ArcInfo Grid vs r.in/out.gdal

[Hamish]

> As we know, in ArcInfo grids the coordinates refer to the cell centre.
> In Grass it is the bottom-left corner of the cell. Now, when I import
> an ArcInfo binary grid into Grass using r.in.gdal, is it automatically
> shifted half a pixel resolution to cope with this issue or not? How
> about r.out.gdal when writing to an ArcInfo binary or ascii grid?

It should be ok. Try some test maps to prove it to yourself if you are
worried. This is a well-trod path.

see also r.in.arc, r.out.arc.

The authors are well aware of the issue anyway, so I would be surprised
if it was wrong.


Hamish