[Talk-us] Whole-US Garmin Map (02-10-2010) update

Apollinaris Schoell aschoell at gmail.com
Thu Feb 18 08:25:37 GMT 2010

On 17 Feb 2010, at 23:34 , Sam Vekemans wrote:

> For contour Garmin maps. I would use mapcenter2.cgpsmapper.com its the
> worldwide collection of Garmin Maps of all types.
> Many have uploaded contour maps. Just make sure their transparent.

not sure if they will like to host such a big amount of data. And upload through a webinterface isn't an options for so many tiles

> Ideally, i want to find a way to generate a mapsource install routeen
> that will load the latest OSM data & download the contour data IMG
> files at the same time.

I use mainly Roadtrip and all is scripted without install. If I absolutely need Mapsource then Mapset toolkit is sufficient and not much more complicated than starting an installer. I think mkgmap has also an option to create a a control file for a Mapsource installer with some 3rd party package tool. But once you mess up Mapsource Mapset Toolkit is a must have to clean broken registry.

> Im manually making 10m contours for all of Canada (it will be a 2 gig
> install when done) maybe someone wants to make on for all of USA?

have used this combination for a compromise of speed/size/precision. as said srtm data isn't that good and 10m seemed overkill. with NED data it's a different story  
25m minor
100m medium
200m major

what did you use for medium and major contours?

> Sam
> On 2/17/10, Apollinaris Schoell <aschoell at gmail.com> wrote:
>> have built contour line maps lately based on srtm data. If anyone is
>> interested in a specifc area let me know. I am not such a web guru like
>> Lambertus and have no host to provide them for convenient download. If
>> someone can host them let me know.  most tiles are 1x1 degree except where
>> it didn't fit in one .img
>> But srtm data has many errors and gaps in mountain areas. Anyone knows where
>> to get NED data for large areas? The seamless server is such a pain and it
>> will take forever just for a single state.
>> or we could start a crowd source effort to download and share them.
>> On 17 Feb 2010, at 15:00 , Dave Hansen wrote:
>>> On Wed, 2010-02-17 at 16:05 -0500, Mike N. wrote:
>>>> Many thanks for this update - it has come in handy many times since the
>>>> last
>>>> update.   I was about to check with you to see if there was any way to
>>>> update it, but you beat me to it!
>>> It's just about at the point where I can automate it to rebuild them
>>> whenever Lambertus kicks off an update himself.  I'll let everyone know
>>> when I get this set up.
>>> -- Dave
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