# Map Themes

In Mergin Maps mobile app, you can use different map themes. This is ideal for switching between different background maps (e.g. cartography map and aerial photography). The map themes should be first set up in QGIS.

# Setting up QGIS map themes

Read how to QGIS Documentation set up a new map theme (opens new window) in QGIS.

  • Open QGIS Desktop with your QGIS Project
  • In the Layers Panel, click on "Manage Map Themes" (eye-icon)
    QGIS Map Themes setup
  • Add new themes or replace existing themes.

# Map themes in Mergin Maps mobile app

To access the Map Themes, select More > Map themes. The list of the Map Themes should appear as a pop up.

Mergin Maps mobile app OpenStreetMap
Mergin Maps mobile app Map Themes
Mergin Maps mobile app switch map themes
Mergin Maps mobile app switched map theme