[GRASS-user] Scalebar for lon/lat projection in ps.map

[Hamish]

maning sambale wrote:
> I am preparing a country-wide map using ps.map.  The region spans 2-3
> UTM zones although most of the region is covered by one zone but I
> still need the data at the fringes covered in another zone.
>  In order to do that I used a lon/lat projection.  However, ps.map
> will not produce a scalebar for lon/lat projection for good reasons.
> 
> I know this isn't good practice.  Any Ideas how I can
> produce a "scalebar" for lon/lat?

my advice is: don't. overlay a grid or geogrid instead. with at least
two grid lines for both lat + long the reader can see the scale.


you can reproject everything into the central UTM zone, but the outside parts may start to be distorted. if only going +/- 1 zone you may get away with it.

Hamish