[GRASS-user] how to convert jpeg, bmp into shape(.shp) files

[Markus Neteler]

On Tue, Sep 9, 2008 at 4:06 PM, Alpha GRASS <alpha.grass at gmail.com> wrote:
>
> Dear all,
> I am searching for a tool which is a open source to convert jpeg, bmp,tiff,
> png into shape (.shp) format.
>
> can anybody give me some suggestions please.

Please take a look here:
http://grass.osgeo.org/wiki/Trace_vector_contours_from_a_scanned_map

Markus