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

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.

thanking you in advance,

Regards
Jeevan
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On Tue, Sep 9, 2008 at 4:06 PM, Alpha GRASS <alpha.grass@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