[clug] Open Source Maps

Paul mylists at wilsononline.id.au
Wed Oct 8 03:24:37 GMT 2008

FYI some Garmin routable Maps from OSM data available here


ie if you have a Garmin GPS (mapping) you should be able to install these.


On 8/10/2008 1:00 PM, Andrew Loughhead wrote:
> Owen wrote:
>> A couple of years ago I attended a CLUG talk at which the presenter had
>> roamed the bike paths of Canberra with a GPS and fed the data
>> into an open source mapping facility which I thought was located in the
>> UK. It aggregated multiple inputs to come up with an accurate mapping
>> of routes.
> That may have been me, I think I spoke to CLUG in about October or 
> November 06. Personally, I am not contributing currently, but there are 
> at least 3 or 4 very active Canberra mappers, and I think the current 
> state of the map in Canberra is really good.
>> Google gave me http://www.openstreetmap.org/ and I wonder if the
>> presenter at the time is still around and can confirm that URL for me.
>> (its a bit lacking in detail for Gunghalin)
> Thats the URL for OpenstreetMap.  If you would like to contribute to OSM 
> you just need to register on the website. You can then collect GPS data, 
> convert it to GPX format with gpsbabel, and upload to OSM.  OSM also has 
> available slightly out of date aerial photography courtesy of Yahoo.  
> Between the imagery and GPS data you then essentially just do heads up 
> digitising to create data representing streets and other things of 
> interest.  There is a very flexible and freeform attribute tagging 
> mechanism in OSM, but a set of conventional attributes must be used to 
> get your data to render on the web map.
> The editing, ie the heads up digitising and attribute tagging, can be 
> done in several ways. Chiefly, there is Potlatch, a flash based editor 
> accessed on the OSM website, and JOSM, a Java based editor which you run 
> locally.  JOSM works fine on Linux.  Potlatch runs fine too, but I 
> believe still requires the Macromedia flash plugin, rather than the open 
> source one.
> There is an Australian OSM mailing list too with modest levels of 
> activity, certainly its a good source of help.
> Finally, I believe it is possible to (painfully) convert OSM data to be 
> useable by some Garmin GPS units now.  I don't know if that includes the 
> models that can do turn by turn navigation.
> cheers
> Andrew.

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