[GRASS-user] Importing lat-lon points into projected location

Helmut Kudrnovsky hellik at web.de
Tue Jul 3 15:26:55 PDT 2018


Rich Shepard wrote
> On Wed, 4 Jul 2018, Micha Silver wrote:
> 
>> Your coordinates are in long/lat so when using v.in ascii you *must*
>> import into a long/lat based location. Then change to your other
>> projected
>> location and do v.proj to reproject from long/lat to the projected
>> location.
> 
> Micha,
> 
>    It's been so long since I worked with long/lat data I could not find
> old
> references on how to define a non-projected, long/lat location. I thought
> the answer might be found on the wxGUI new location creation wizard but
> didn't see it there as an option.

a good way to find a  long/lat coordinate system appropriate to your needs
is to study e.g. www.epsg.io.

Then just take the EPSG code and set up your location by the wxgui wizzard.

a common long/lat coordinate system is e.g. EPSG:4326




-----
best regards
Helmut
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