Online Help > AlpineQuest 2.x > Maps & Layers

How to use file-based maps?

Which file-based map formats are supported by the application?

The application can read the following map formats:

  • AplineQuest Maps (*.aqm): Raster maps that can be created with MOBAC (free and multi-plateform offline maps creator, see a tutorial here) and MAPC2MAPC (able to convert a wide range of map formats, free and commercial versions available).
  • AplineQuest Maps (*.pgd): Fast raster map format created by the application when importing maps in other formats.
  • OGC GeoPackage Maps (*.gpkg): Open source and non-proprietary raster map format, supporting multiple layers and map projections (more details here). Vector features are not supported yet.
  • MemoryMap QuickChart Maps (*.qct): Commercial and proprietary widespread raster map format. Newer “.qc3” files and encrypted maps are not supported.
  • MBTiles Raster Maps (*.mbtile): Open source raster maps format (more details here). Vector tiles are not supported.
  • XYZ Zip Maps (*.zip): Zipped raster tiles following the OpenStreetMaps tile server specification.
  • TMS Zip Maps (*.zip): Zipped raster tiles following the Tile Map Service tile server specification.
  • RMaps SQLite Maps (*.sqlitedb): Simple raster map format using a SQLite database to store image tiles.

The application can also import the following map formats:

  • Google Earth Overlays (*.kml, *.kmz) (Android 3.0 or more required): Raster maps that can be easily created from geo-positioned images using Google Earth. See here how to import KML/KMZ overlays.

And also read elevation data in those formats:

Put your maps on the device

The easiest way to put map files on your device is using your USB cable and connecting your device to your computer as a mass storage device. On your computer, browse your device like any USB key using the file explorer.

You can put your maps at any location, including the external SD card.

Be sure that your maps have been entirely copied before un-connecting your device.

Select your maps from the application

Once you have correctly un-connected your device, you can start the application.

  • Click on the Maps menu and on Available maps to open the maps explorer;
  • By default, the application list the on-demand maps ;
  • Click on the left drawer menu ;
  • Under the File based maps section, select the folder in which you've put your map file. For example, if you've put your maps in a sub-folder of you external SD card, select SD Card .


When selecting a folder from the drawer menu, the application will list its content . If you maps are in a sub-folder, just select it. When a folder containing maps is displayed, they will be listed. Click on a map to display it and close the maps explorer.

By default, maps are sorted in two categories. The In-bounds maps are maps covering the area currently displayed, whereas Out-of-bounds maps are maps covering an area far away. To change this sort:

  • Click on a maps category menu icon ;
  • Select the desired sort from the Sort by .

When selecting a map from the out-of-bounds group, the application will ask you if you want to slide the view over the area covered by the selected map.

When sliding the view out of the covered area, the application will automatically search for another map covering the new area in the last displayed folder. If one is found, it will be automatically selected.


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