[OSGeo-Discuss] WorldCities database Free and OpenSource

[Stefan Steiniger]

Do the distance matrix tools work on geographic coordinates?
I suspect for GRASS yes, but for QGIS?

stefan

Markus Neteler wrote:
> On Fri, Mar 5, 2010 at 7:48 PM, Giovanni Manghi
> <giovanni.manghi at gmail.com> wrote:
>> are you looking for a distance matrix tool?
>>
>> QGIS has one, look into the vector menu -> analysis tools -> distance
>> matrix
> 
> ... and respectively for GRASS:
> - how to start it:
>   http://grass.osgeo.org/grass64/manuals/html64_user/helptext.html
> 
> - Geonames.org import (into lat-long location):
>   http://grass.osgeo.org/grass64/manuals/html64_user/v.in.geonames.html
> 
> - Distance matrix (use "Print output" there)
>   http://grass.osgeo.org/grass64/manuals/html64_user/v.distance.html
>   -> Examples, Print distance matrix
>       (in lat-long, it calculates them as geodesic distances on a sphere)
> 
> cheers
> Markus
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