[OSM-dev] Cutting up an image into tiles

[Ludwig M Brinckmann]

If you want to digitize the image it might be better to leave it in whatever
projection it is in as the warping process will inevitably degrade the
image.

On 2/28/07, Artem Pavlenko <artem at pavlenko.uklinux.net> wrote:
>
> On Wednesday 28 February 2007 13:16, Nick Black wrote:
> > On 2/28/07, Artem Pavlenko <artem at pavlenko.uklinux.net> wrote:
> > > Nick,
> > > Or even better use Mapnik!
> >
> > Do you mean use the Mapnik WMS server?  I've never got round to
> > looking at that.  Kristian is sticking it on his WMS as we speak.
> >
> I wasn't sure you need WMS. Can you just use gdal to warp this TIFF in one
> go?
> Cheers,
> Artem
>
> > > Let me know I'll send you a script.
> > >
> > > Cheers,
> > > Artem
> > >
> > > On Wednesday 28 February 2007 11:46, Kristian Thy wrote:
> > > > On Wed, Feb 28, Nick Black wrote:
> > > > > I have a TIFF image map of the Isle of Man at approximately
> 1:25,000
> > > > > scale.   The IoM Gov have given dervative rights to OSM to use it
> to
> > > > > produce data from.  I need to cut the image up into smaller tiles,
> > > > > which I was then planning on rectifying using the metacarta
> > > > > rectifier, then using the JOSM WMS plugin the trace the roads.
> > > > >
> > > > > So can anyone point me in the direction of some guidelines about
> > > > > scripting ImageMagick / Rmagick , or something the cut the image
> up -
> > > > > which shouldnt be too hard to do?   I dont have access to the TIFF
> > > > > right at the moment, but its big.  Over 80mb I think.
> > > >
> > > > Cut, tiles, what? If it's georeferenced, put it in MapServer and
> > > > publish it as a WMS. I can supply the MapServer if needed.
> > > >
> > > > \\kristian
> > >
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>
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