Garmin.OpenStreetMap.nl

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This is the homepage of the documentation for the "Free maps for Garmin brand GPS devices" service based upon OpenStreetMap data.

The manual is here.

About

The goal of this website is to advance the OpenStreetMap project by providing free worldwide Garmin maps based upon OpenStreetMap data. I hope that people who appreciate this website will choose to contribute to the OpenStreetMap project to improve their own experience and make the opensource world map even better.

The maps are meant to be generic and will probably provide best routing results for car-drivers, however other routing options should work reasonably well too.

This website generates four different configurations of your personal free Garmin map:

  • Installer for Garmin BaseCamp/MapSource (Windows).
  • Map for the Mac OS X version of Garmin BaseCamp.
  • Combined image for direct manual placement on the GPS device (gmapsupp.img)
  • A zip file just containing all the Garmin map tiles as selected on this website. This is useful for Linux users (e.g. Qlandkarte)

Once you've selected the map tiles, filled out the form and clicked the 'Build maps' button, your request is queued on the server. The server processes each request in four steps:

  1. Running Mkgmap to combine the requested tiles into a gmapsupp.img.
  2. Using Nullsoft Scriptable Installer to combine the requested tiles into a Windows MapSource installer. The script used for this build is also included: 'map.nsi'.
  3. Use the command line version of JaVaWa MapConverter to create a version of the map compatible with BaseCamp for Mac OS X.
  4. Finally, an e-mail is then sent to you when all this is done.

To complete your request please browse to the website listed in the e-mail and download the map configuration(s) you're interested in.

The Maps

Generic routable

The Generic routable map is a routable map which can be used for different activities (car driving, hiking and cycling). It has an optional "mapnik" typ file that mimics the looks of the "main" OSM map.

Generic routable (new style)

The new style generic map has some more features (bridges, tunnels, oneway arrows, better display of unpaved roads, cycleways etc) and comes with it's own typ file. It has larger tiles compared with the default generic routable map so it might not suit older units that don't have external SD card memory. More info on this style can be found in this topic on the OSM forum.

Routable Bicycle (Openfietsmap Lite)

This is a routable map for bicycle touring. Tha map is made by Openfietsmap.nl. For instructions how to use Openfietsmap Lite see Tips & Tricks on the Openfietsmap.nl website. Cartography is licensed under the cc by-nc-sa license. You are free to use and share the map for non-commercial purposes.

The routable Garmin maps are created using the opensource tools Splitter and Mkgmap originally created by OSM user Steve Ratcliffe. Splitter accepts raw OpenStreetMap data and splits it into workable areas which then are converted into Garmin maps by Mkgmap. Splitter creates a template file which lists the coordinates and availability of the tiles. This template file is used by this website to show the Garmin tiles on the world map (the blue squares).

Frequently Asked Questions

See this topic on the osm forum and questions about garmin.osm.nl on the help site.

I installed the map in MapSource or Basecamp but don't see anything!

Try the following:

- Make sure you selected the map in the pull-down menu (when a pull-down menu is shown).
- If no pull-down menu is shown (this happens if only one map is installed) select the map in the menu View->Switch to product, or Maps (latest Basecamp releases)
- Clear the map cache by pressing the ctrl G key combination a few times.
- Mostly the maps cover only a small part of the world and is easilly overlooked. Press the ctrl - key combination (control key together with minus key).

I installed a second map from garmin.openstreetmap.nl in MapSource/BaseCamp/RoadTrip and don't see the first map anymore

Single country mapsets from end April 2014 will get a unique Family/ID so that the user can now install several mapsets.

The custom maps from garmin.openstreetmap.nl use a single Family/Product ID so installing a second map overwrites the first map.
Solution: download the application JaVaWa GMTK and use that to change the product ID of the first map before installing the second map.

I want to put another map from garmin.openstreetmap.nl on the device, can I rename the gmapsupp.img?

This depends on your unit. On the newer generation Garmin GPS receivers several mapsets can be installed, simply rename the default gmapsupp.img to anything suitable (as long as the extension remains *.img). With the application JaVaWa Device Manager the mapset name and description can be set to distinguish all different mapsets on the unit. It can also used to check if the maps are properly placed on the SD card and if there are no overlapping tiles, which can cause problems.

I've received the 'Your Garmin map request: Ready' email but it doesn't contain an URL for the map

The cause isn't very clear but it is suspected that some email providers remove URL to different domains then the sender domain from the email (anti-phising). So please request the map again using an email address from a different email provider. Currently email providers like Google Mail, Microsoft Live (hotmail), Yahoo should work fine.

I requested a large map and the Windows installer is missing!

The Windows installer cannot be larger then 2GB. This is a limitation of the NSIS installer and the process used to create the installer.
You'll have to choose a smaller map if you really need the Windows installer or you can use _macosx.zip = Installer for Garmin BaseCamp/RoadTrip (Mac OSX)
Unzip it and place the .gmap folder to the default Garmin map folder. The location of this folder depends on the Windows version.
In Vista or W7 this is: C:\ProgramData\GARMIN\Maps or C:\Users{user}\AppData\Roaming\GARMIN\Maps (please note this is a hidden folder!)
Windows XP: c:\documents and settings\all users\application data\garmin\maps
Or you can use http://www.javawa.nl/gmtk_en.html to install the gmap maps.

My virus scanner complains about the large file while downloading the _windows.exe

It often happens that anti-virus software is a bit wary for very large .exe files. In this case I can assure you there are no viruses included. So in this case it is probably best to disable the virus scanner while downloading the file. When you've completely downloaded the file then restart your virus scanner and, if you want, scan the downloaded file for viruses (you should not trust me or anyone else on the internet! :p). The scan will show that the download is clean and you should be able to run the .exe to install the map on your pc.

Downloading the _windows.exe using Internet Explorer 9 gives the warming/error "This program is not commonly downloaded and could harm your computer"

This message comes from the browser because the .exe is not signed using a technique called Authenticode. You can safely ignore this message: Click the Actions button in the displayed message. In the SmartScreen Filter dialog box, click the down arrow to the left of More options, and click 'Run anyway'. You should now be able to run the .exe. to install the map on your pc.

My computer wants to burn the gmapsupp.img to a CD

See the next point (FAQ 3.9)

Couldn't mount file - The disk image file is corrupted

Your operating system is confused by the *.img extension and thinks it's a CD image, but I assure you it's not. Simply unpack the *_gmapsupp.zip file and transfer the resulting gmapsupp.img to the GPS in the \Garmin directory. Either by copying it directly to the SD-Card or by putting the GPS in mass-transfer mode and connect it to your computer using an USB-cable.

I try to download the map but the server says 'Not Found' (404-Not Found)

If you try to download your map but get the message '404 Not Found' and you are sure to have requested the map less then 60 hours ago, then this is probably because of the following three options:

  1. Please take a close look at the url in the email above as it is possible that a section of the url is on the next line. If this is the case then you have to carefully copy/paste the url sections in the browser address bar (without the '<' and '>' characters!).
  2. The download window has passed and the server deleted your request to make room for other requests. If you tried to download around the end of the download window (the length of the windows has been communicated to you in the first email, check the timestamps in the headers) then this is most probably the cause of the problem, you can simply request your map again and make sure you download soon after you've received the 'ready' email.
  3. A problem occurred while building the map. Please reply to the email (while including the whole email) stating that your map request has failed, sometimes the problem can be fixed (mostly not). Thanks!

Corrupted download

Sometimes it happens that a downloaded map cannot be extracted/unpacked because the file is corrupt or not a proper archive. There are many possible causes for this, so below is a list of things you can do:

  1. Try and download the file again.
  2. Use another browser (e.g. Firefox or Chrome) or dedicated download manager (e.g. Free Download Manager) to download the file.
  3. Temporarily disable the virus scanner and firewall during the download. Don't forget to turn it back on afterwards and check the downloaded file for viruses!
  4. Use another computer and/or internet connection (e.g. neighbor or at work).

It is also a good idea to install the awesome tool 7-zip. It handles almost all compressed archives with impressive performance, has a function for testing archives and is free.

Screenshots

Generic map

GPS

Generic - no stylesheet - night.png Generic - no stylesheet - day.png Generic - mapnik stylesheet - night.png Generic - mapnik stylesheet - day.png
Night mode (No TYP) Daylight mode (No TYP) Night mode (Mapnik TYP) Daylight mode (Mapnik TYP)

Basecamp /MapSource

Mapsource generic no stylesheet.png Mapsource generic mapnik stylesheet.png
No TYP Mapnik TYP


Generic (new style) map

Basecamp /MapSource

Screenprint generic new.jpg
The new style map shows bridges, tunnels, one-way arrows, unpaved surfaces etc.

Openfietsmap Lite

For an explanation of the map symbols, see the OFM Map Legend

GPS

OFM Lite2300.png OFM lite2185.png OFM lite936.png OFM lite1093.png OFM lite485.png

BaseCamp

Openfietsmap lite.jpg

MapSource

Mapsource openfietsmap lite.png