[Talk-us] Whole-US Garmin Map update - 2014-08-07

[Dave Hansen]

These are based off of Lambertus's work here:

http://garmin.openstreetmap.nl

If you have questions or comments about these maps, please feel
free to ask.  However, please do not send me private mail.  The
odds are, someone else will have the same questions, and by
asking on the talk-us@ list, others can benefit.

Downloads:

http://daveh.dev.openstreetmap.org/garmin/Lambertus/2014-08-07

Map to visualize what each file contains:


http://daveh.dev.openstreetmap.org/garmin/Lambertus/2014-08-07/kml/kml.html


FAQ



Why did you do this?

I wrote scripts to joined them myself to lessen the impact
of doing a large join on Lambertus's server.  I've also
cut them in large longitude swaths that should fit conveniently
on removable media.  

http://daveh.dev.openstreetmap.org/garmin/Lambertus/2014-08-07

Can or should I seed the torrents?

Yes!!  If you use the .torrent files, please seed.  That web
server is in the UK, and it helps to have some peers on this
side of the Atlantic.

Why is my map missing small rectangular areas?

There have been some missing tiles from Lambertus's map (the
red rectangles),  I don't see any at the moment, so you may
want to update if you had issues with the last set.

Why can I not copy the large files to my new SD card?

If you buy a new card (especially SDHC), some are FAT16 from
the factory.  I had to reformat it to let me create a 2GB
file.

Does your map cover Mexico/Canada?

Yes!!  I have, for the purposes of this map, annexed Ontario
in to the USA.  Some areas of North America that are close
to the US also just happen to get pulled in to these maps.
This might not happen forever, and if you would like your
non-US area to get included, let me know. 

-- Dave


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[Talk-us] Baltimore County Maryland Building and Address Import

[Elliott Plack]

Greetings Fellow Mappers,

As some of you may know, I am a GIS Specialist for Baltimore County, Md.
Since we released our data as public domain around a year ago, I've been
meaning to do this import. This week I had some free time and decided to
kick it off, just in time for the 10th anniversary of OpenStreetMap.

I've been working on this project in the open, as much as possible: at
https://github.com/baltimorecounty/openstreetmap

The details of the import procedures are found on the github wiki, which I
will move to the OSM wiki periodically:
https://github.com/baltimorecounty/openstreetmap/wiki/Buildings-and-Addresses-Import

The intent of this import is to provide OSM users with the best and most
accurate street and building data my office has to offer. Our data is
thoroughly vetted, verified, and tested. It has to be good, because County
emergency staff rely on it in the field.

While preparing the data for import and consideration by the community,
much thought was put into the content, spatially and in data terms. For
instance, county address data is stored in all caps, with standard
abbreviations. The road names' case was changed intelligently, so that
roads like McDonough would read correctly. Also, all abbreviations were
expanded. More details on the wiki.

(A note on abbreviations given the recent discussions on various OSM
mailing lists. Baltimore County is meticulous and methodical about using
abbreviations in its data. Words like Mount and Saint are never
abbreviated. Only directionals (pre + post) and types are abbreviated. This
made expansion a breeze.)

Please review the wiki and github. Data is on Microsoft OneDrive
https://github.com/baltimorecounty/openstreetmap/wiki/Buildings-and-Addresses-Import
https://github.com/baltimorecounty/openstreetmap/
http://1drv.ms/XOQD9J

I welcome all feedback, and while I've tried to get it right the first
time, there may be room for improvement.

Thanks,

-- 
Elliott Plack
http://about.me/elliottp
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