===== Offline map types =====
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An offline map is a map that can be used when the device is **not connected to the internet**, however, it also works when the device is connected to the internet. Firstly you need to **download** them to your device. GPX Viewer PRO currently supports only offline map data which can be downloaded **directly** in GPX Viewer PRO, it does not support custom 3rd party offline map data as of yet. These offline map data are based on **OpenStreetMap data**. GPX Viewer PRO supports several **offline map styles** as shown in the screenshot below. Currently, it does not contain a style that is similar to the default OpenStreetMap map style, but we are working on adding this style to GPX Viewer PRO.
=== Previews of offline map styles ===
Below you can preview offline map styles which are available in GPX Viewer PRO to use for showing offline map data.
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[[https://trackbook.online/?basemap=0|{{docs:user_guide:offline_map:basic.png?350 }}]] **Basic** \\ Most basic style with simple styling showing also points of interest. It allows the fastest rendering. \\ \\ [[{}https://trackbook.online/?basemap=0|View Basic]]
[[https://trackbook.online/?basemap=1|{{docs:user_guide:offline_map:bubble_wrap.jpg?350 }}]] **Bubble Wrap** \\ A full-featured city style loaded with helpful icons for points of interest. \\ \\ [[{}https://trackbook.online/?basemap=1|View Bubble Wrap]]
[[https://trackbook.online/?basemap=2|{{docs:user_guide:offline_map:cinnabar.jpg?350 }}]] **Cinnabar** \\ City style with simple colors and points of interest. \\ \\ [[{}https://trackbook.online/?basemap=2|View Cinnabar]]
[[https://trackbook.online/?basemap=3|{{docs:user_guide:offline_map:refill.jpg?350 }}]] **Refill** \\ A minimalist map style designed for data visualization overlays. Inspired by the seminal Toner style by Stamen Design. Refill supports multiple color themes. \\ \\ [[{}https://trackbook.online/?basemap=3|View Refill]]
[[https://trackbook.online/?basemap=4|{{docs:user_guide:offline_map:street.jpg?350 }}]] **Street** \\ Street style tries to mimic default [[https://www.openstreetmap.org|OpenStreetMap]] style. \\ \\ [[{}https://trackbook.online/?basemap=4|View Street]]
[[https://trackbook.online/?basemap=5|{{docs:user_guide:offline_map:topo.jpg?350 }}]] **Topo** \\ Topographic style which tries to mimic [[https://opentopomap.org|OpenTopoMap]] style with contour lines. \\ \\ [[{}https://trackbook.online/?basemap=5|View Topo]]
[[https://trackbook.online/?basemap=6|{{docs:user_guide:offline_map:tron.jpg?350 }}]] **Tron** \\ Will autonomous cars dream as they charge overnight? This style is pushing mapping to new extremes, and it will push your GPU and fan to the limit. \\ \\ [[{}https://trackbook.online/?basemap=6|View Tron]]
[[https://trackbook.online/?basemap=7|{{docs:user_guide:offline_map:walkabout.jpg?350 }}]] **Walkabout** \\ This outdoor style is perfect for hiking or getting out and about, with mountains, ski trails, biking paths, and transit stops. [[https://gist.github.com/nvkelso/fe46993c6c334b52c4b9d6cf5aabffa7|Bike legend]]. \\ \\ [[{}https://trackbook.online/?basemap=7|View Walkabout]]