Install libchamplain-gtk-doc by entering the following commands in the terminal:
sudo apt update sudo apt install libchamplain-gtk-doc
Description:
Gtk+ widget to display maps (documentation)
Libchamplain-gtk is a C library aimed to provide a Gtk+ widget to display rasterized maps and markers. . It supports numerous free map sources such as OpenStreetMap (default), OpenArialMap and Maps for free. . This package contains documentation for libchamplain-gtk.
Homepage: https://wiki.gnome.org/Projects/libchamplain
Version: 0.12.16-2
Section: universe/doc