[GRASSLIST:278] Re: Autotrace

[Roger Bivand]

On Mon, 2 Jun 2003 Robert.Siudak at imgw.pl wrote:

> Hi, 
> 
> Where can I find more info about autotrace process of plain, scanned
> bitmap?
> 
> IS it possible to convert scanned maps to vector format if I have
> scanned map containing only for example lines?

r.thin
r.line

should help. As the r.line manual page says, run r.thin first, then after 
conversion, run v.support on the result, and possibly v.trim too.

> 
> Best regards, 
> 
> Robert
> 
> 

-- 
Roger Bivand
Economic Geography Section, Department of Economics, Norwegian School of
Economics and Business Administration, Breiviksveien 40, N-5045 Bergen,
Norway. voice: +47 55 95 93 55; fax +47 55 95 93 93
e-mail: Roger.Bivand at nhh.no