On Tue, Jan 6, 2009 at 9:34 AM, Gervase Markham <gerv-gm...@gerv.net> wrote:
> When I heard about the possibility of "OSM on Garmin", I imagined > something like the Mapnik Slippy Map on my GPS screen. Now I have a > Legend HCx, it turns out that I get the Garmin vector rendering with OSM > data behind it. This is clearly much better than nothing, but does the > gmapsupp.img format support stuffing in a load of raster tiles, or is it > vector data only? (Obviously, you'd lose the ability to route with raster.) > > Gerv > The new Colorado and Oregon models seem to support some sort of raster images natively, as evidenced by the Ordnance Survey maps recently released (Garmin GB Discoverer) [1]. However, the format of those is not publicly known. If you want to use raster images, the new Delorme PN-40 (and the older, slower PN-20) support raster nicely, and with a $100 add-on called XMap, you can add your own georeferenced images to your GPS, so you could use something like slippy map tiles. Caveat if you're looking to use Delorme maps: The currently available maps and aerial imagery from Delorme seem to cover only the US. Karl [1] http://forums.groundspeak.com/GC/index.php?s=&showtopic=205902&view=findpost&p=3778507
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