[OSM-newbies] update gmapsupp.img

[Andy Robinson (blackadder)]

Harald Kirsch wrote:
>Sent: 27 January 2008 10:55 AM
>To: newbies at openstreetmap.org
>Subject: Re: [OSM-newbies] update gmapsupp.img
>
>
>
>Am 27.01.2008 11:35 schrieb Christoph Eckert:
>> Hi,
>>
>>> the OSM user ComputerTeddy generously provides a gmapsupp.img file that
>>> covers Germany for use in Garmin devices. The file is produced with
>>> mkgmap. Is there a way to update the file with new data in the area
>>> where I do some mapping?
>>
>> do you intend only to update the tile in your area while keeping the
>> gmapsupp.img? Theoretically it's possible, but requires some manual work.
>
>Well, yes, that was the idea.
>
>>
>>> I am about to try mkgmap on gmapsupp.img and some fresh osm-data, but I
>>> have no idea whether this will produce any sensible result.
>>>
>>> Does anyone have more insight into this?
>>
>> mkgmap is relatively simple to use. Why not do the following:
>>
>> * Rename gmapsupp.img on your device to something like gmapsupp-
>germany.img
>> * Create a new one using your data and mkgmap
>> * Copy this data as gmapsupp.img to your device
>> * Go out mapping
>> * When back reactivate the previous gmapsupp.img (if desired)
>
>Hmmmpf. It would have been nice to generally have the most recent data
>around my area without the need to always generate all of Germany.
>

You could do what I do which is to use osmxapi to download the full area
that I'm generally within. Getting the data from osmxapi gets around the
0.25deg limit that the main OSM API has. I can't fit the whole of the UK on
my Garmin memory (8MB limit in my case) but I can do a big chunk of it
centred on my home.

Then run mkgmap on the data and upload to my Garmin using Sendmap. It take
me about 5 mins each time I do this (a bit extra for the time to upload the
map via serial) so I do it regularly and that way I am always out mapping
with the latest and greatest on the Garmin.

Cheers

Andy

>Harald.
>
>--
>--------------+---------------------------------------------
>Harald Kirsch | pifpafpuf bei gmx punkt de
>
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