[GRASS-user] Invalid region and coordinates when trying to reproject.

Marcello Gorini gorini at gmail.com
Mon Jul 2 03:01:31 PDT 2012


Hamish said:


> It is impossible to reproject from a simple XY location to a
> projected location, or vice versa. Simple XY is just like graph
> paper, with no Earth-based geo-* part to it. It is most commonly
> used for imagery where x,y are measured in pixels, and manual geo-
> referencing must be performed, not a reprojection between known
> coord systems.
>

Yes, I hadn't noticed this xy. Sure it won't work.


>
> Start over from the beginning, creating a new lat/lon location and
> importing your data into it. (assuming that's what the source
> data's native coordinates are in)
>
>
>
I did and it worked flawlessly.



> sorry for introducing the nasty hack which suggested using xy,
> Hamish
>

I really don't remember doing that, but anyway, since you updated
the wiki page, I cannot press charges against you anymore.

Thanks a lot!!

All the best,
Marcello.
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