[OSM-talk] Garmin maps with SRTM countours and OSM data?

[Stephen Wing]

I've tried this, and had all sorts of problems doing this myself, on my
Windows machine.

First of all, all the maps have to be in a single gmapsupp.img file, but can
still be separate maps within that file, as long as you have combined them
before converting to the Garmin format.  Combining the SMC Contours with OSM
maps produced by mkgmap (the OSM map needed splitting with osmcut.jar which
introduces additional problems itself including some roads not appearing)
causes problems - as you scroll through the various zoom levels you either
get contours or OSM maps, and only at certain zoom levels will you get
both.  I'm sure spending a lot more time with changing the mkgmap settings
would result in getting everything right...

However, I've been working with some other guys and we are now planning to
take the raw SRTM data and ensuring it's built with the same mkgmap settings
as the OSM map, which removes these zooming problems.  We are working on
producing regular updates of the OSM map for Garmin (with and without
contours) from a dedicated website www.mapomatic.net

Right now, we are beta testing the non-contour maps with a group of people
to make sure the maps work fine on a variety of different Garmin units
before we release this publicly and move onto working on the contour version
(and then onto some other OSM related projects).

Hopefully within the next few weeks / months, we would be able to provide
you with a full map of the UK with contours that you could use with your
60CSx, although you are welcome to sign up as a beta tester (I believe
Stuart has already contacted you directly offering you this).

Steve

On 23/03/2008, David Ebling <dave_ebling at yahoo.co.uk> wrote:
>
> Hi all, just wondering if anyone can help me - I want
> to make a Garmin .IMG file of the whole of cumbria
> that includes NASA SRTM data, as the IMG files from
> here do: http://www.smc.org.uk/ContourMaps.htm but i'd
> also like to have OSM road, footpath, cycle path etc
> data on there too. The Garmin unit i'm trying to use
> it on is a 60Csx, which doesn't seem able to display
> more than one map for an area at a time, so i'm not
> able to have the SRTM data in one map file and the
> OSM/MapSource data in another, and show both at once.
>
> Can anyone help with this? I would like to do the same
> for the south downs area too once I've worked out how
> to do this?
>
> I'm not hugely familiar with the more technical
> aspects of this, and am working on windows. I am
> pretty computer literate though.
>
> Thanks for any help,
>
> David
>
>
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