Have a look at GRASS it has some raster to vector routines; you will 
find that one of them has been ported into the geotools process module - 
but I do not know how it works yet.

Jody

alboury mbar fall wrote:
>
>
>
>
> ------------------------------------------------------------------------
>
> Hi,Jody Garnett I can display the map with openlayers with a high 
> quality of zoom.With openlayers,I think we can't display the locations 
> of the city of Dakar.For my application I'd like to give the user the 
> opportunity to view the hôtels or restaurants a city, geolocation the 
> user from the map, to chart the shortest path in the map to go to a 
> place.Is it possible with openlayers?
>   are there the open source software can convert our tiff file format 
> to SVG or GML in connection with the handle in the code?
>
> thank you very much for your help.
>
> ------------------------------------------------------------------------
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