[OSM-talk] New Popular Edition maps, and postcode collection

[Johnny Doe]

--- Dominic Hargreaves <dom at earth.li> wrote:

> 
> - Open scan of map sheet in the Gimp.
> - Rotate the map so that the grid lines are
> horizontal/vertical
...
> 
> I would estimate that this process took us around
> 15-20 man-hours for
> the maps that we have.
> 

If you will create the grid calibration points and
know the coordinate system,
it is possible to automate the whole process by using
gdal_translate and gdalwarp:
http://www.remotesensing.org/gdal/gdal_translate.html
http://www.remotesensing.org/gdal/gdalwarp.html


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