Customizing General

Little Navmap creates multiple configuration files in the directory C:\Users\YOURUSERNAME\AppData\Roaming\ABarthel when started. These allow extended customization of the program.

The files use the Windows-INI style that has groups in square brackets and key=value lines. See here for more information about this type of configuration files.

Note that you have to restart Little Navmap to see any changes.

To undo all changes simply delete a file. It will be created again containing the default values when Little Navmap is started.

Single lines can also be deleted and will be restored with the default value when Little Navmap is started.

Keys and values are case sensitive. Order in the files is not important if the keys remain in their respective sections. The program might reorder the keys when saving or updating the files.


Only two user interface styles can be customized. These are Fusion and Night and can be found in the dialog User Interface tab of the options dialog. These two styles are available on all operating systems.

Two files are generated that allow the customization for all window, button and dialog colors. These are:

  • C:\Users\YOURUSERNAME\AppData\Roaming\ABarthel\little_navmap_fusionstyle.ini

  • C:\Users\YOURUSERNAME\AppData\Roaming\ABarthel\little_navmap_nightstyle.ini

The key names in these files are derived from the Qt palette options. Each key consists of the group and role name separated by an underscore. See below for more information on the color formats used.

See here for more information about groups and roles.

Map Display

The file C:\Users\YOURUSERNAME\AppData\Roaming\ABarthel\little_navmap_mapstyle.ini allows to customize various aspects of the map display and is currently limited to colors and pens. Most key names are self explaining. See below for more information about color values.

Color Format

Color can be in one of these formats which are commonly used in web design:

  • #RRGGBB each of R, G, B and A is a single hex digit. Each color value ranges from 00 - FF (decimal 0-255)
  • #AARRGGBB first two digits contain the alpha/transparency value. 00 equals to fully tranparent and FF (decimal 255) to opaque.
  • SVG color name

SVG color name is one of the colors defined in the list of SVG color keyword names provided by the World Wide Web Consortium; for example, steelblue or gainsboro. Note that you cannot enter an alpha channel value if you use a color name.

You can use the w3schools color picker to get the hex values for a color.





Pen Format

A pen contains the following values in a comma separated list:

  • Color as described above
  • Pen width as a floating point value measured in pixels. You have to use . as decimal separator no matter what your locale defines.
  • Pen style. One of the following values: Solid, Dash, Dot, DashDot and DashDotDot.


RestrictedPen=#fd8c00, 2, DashDotDot

ModecPen=#509090, 2, Solid

NationalParkPen=#509090, 2.1, Solid

User, AI and Multiplayer Aircraft Icons

All icons for user, AI/multiplayer aircraft, helicopters and ships are stored in the program but can be overloaded by the user.

The format is limited to SVG (Scalable Vector Graphics (SVG) Tiny 1.2 Specification) where advanced graphics effects like textures will not work.

Note that the icons will only be used on the map and not in the information windows.

The icons are:

















The suffixes are chosen by vehicle type, status (ground or airborne) and user or AI/multiplayer. The icon is for airborne vehicles if ground is missing and for AI/multiplayer vehicles if user is missing. For historical reasons all icons are prefixed with aircraft.

To change an icon download it from the Github source repository Icon Resources and save it into the settings directory C:\Users\YOURUSERNAME\AppData\Roaming\ABarthel.

You can use the free vector drawing program Inkscape to edit the icons. Restart Little Navmap to see the changes.

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