74. Map Themes
74.1. Installing Map Themes
New maps come as downloads with different directory structures. Some contain the base folder
data\maps\earth in the downloaded archive some do not.
Each map installed theme has to consist of a directory containing the related
.dgml and other files.
The name of the map directory and the
.dgml file have to match. For example
Note that you have to restart Little Navmap to see the new map themes.
74.2. Creating Map Themes
To add an arbitrary online or offline map to Little Navmap simply add
the map directory from a downloaded or self created map theme to the
Note that you need to restart Little Navmap to see the new map themes in the menu.
The full path to the DGML file (see links below for more details about DGML) describing the map must be
...\Little Navmap\data\maps\earth\opencyclemap\opencyclemap.dgml if
you like to add the OpenCycleMap for
example. The DGML file can refer to an online map service or included
offline map data. Usually a map theme contains many more files than only
View -> Theme in the main menu and the toolbar drop
down box will receive an entry for each additional map theme.
The option Show Country and City Names is enabled for all additional map themes but might not work depending on properties defined in the map’s DGML file.
See the comments in the included file
data\maps\earth\example\example.dgml or here online
example.dgml for more information.
More maps and information about map configuration and DGML files can be found here on the Marble and KDE pages:
Download more maps for the Marble widget (only Earth maps are supported in Little Navmap): Additional Maps
A tutorial that shows how to create a map theme based on tiled images: Marble/CustomMaps
How to create a historical map for Marble: Historical Maps for Marble