[GRASS-user] g.region Options Yield Different Values
Rich Shepard
rshepard at appl-ecosys.com
Mon Nov 23 18:03:35 EST 2009
On Mon, 23 Nov 2009, Glynn Clements wrote:
> Yes. If you create a projected location, you need to enter projected
> coordinates.
Glynn,
And if they're available only as lat/long geographic coordinates ...?
> I think that you may need to enter something here, but it doesn't have to
> be correct, and you can change it later.
OK.
> The current region is usually ignored when importing maps. Vector maps
> will contain cartographic coordinates. Raster maps will either have its
> bounds stored in metadata, or you will get clearly bogus bounds and have
> to set the correct bounds manually with r.region afterwards.
I know that the .prj and .e00 files have the projection information and
cartographic coordinates so I use those. It's creating a new, empty location
that seems to be giving me the problems.
> If you have imported a vector map or a raster map with the correct bounds,
> you can set the current and/or default region from the map.
True. And then I can identify the values, too.
Much appreciated,
Rich
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