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en:help:v2:maps [2020/02/22 09:47] – [File-based maps] alpinequesten:help:v2:maps [2020/09/08 13:37] – alpinequest
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 ====== Maps & Layers ====== ====== Maps & Layers ======
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-The application offers two different ways of accessing maps offline in order to suit most users: +The application is able to display a wide variety of maps. They are made of images, each level of details consisting of a different set of them. Using images allows to have a larger variety of maps, with a better quality, more details, and use little power consumption (and so battery). 
-  * **On-demand maps** are maps retrieved on-demand from Internet and automatically stored on the device; + 
-  * **File-based maps** are maps covering a particular fixed area, pre-created and stored as single or multiples files on the device.+There are two main categories of maps, that can be both used without network: 
 +  * **On-demand maps**  are maps retrieved on-demand from Internet and automatically stored on the device; 
 +  * **File-based maps** are maps stored in pre-created files, saved on the device, covering a particular fixed area. The application is able to read multiple file formats.
  
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 ===== Maps F.A.Q. ===== ===== Maps F.A.Q. =====
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 +**How often are updated the maps?**\\
 +The application only display maps available from various online sources. Map updates only depends on the map editor of the map you've selected. In general, the application will display the last available version. For example, if you display the Google Satellite images, you'll see the most recent images available on the Google Maps website, however, those image can still be relatively old depending on the area displayed.
 +
 +**Is is possible to display real-time aerial imagery?**\\
 +No, the application allows you to display the latest version of major online maps, including Google, Bing, Esri imageries, but you cannot choose a different date, nor display more recent images than the respective website versions. The stored data is regularly updated by the application when newer versions are available online.
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 **Is it possible to increase the download speed of maps?**\\ **Is it possible to increase the download speed of maps?**\\
 Each map uses its own map server and has a different download speed. Various factors can impact the download speed, including your physical location and the current server charge. We try to keep the default map as fast as possible to download, but don't hesitate [[en:help:v2:maps:on-demand-change|to select another map]] that may be faster for you to access. If you need to download lot of map data, try to avoid rush hours to get a better speed. Each map uses its own map server and has a different download speed. Various factors can impact the download speed, including your physical location and the current server charge. We try to keep the default map as fast as possible to download, but don't hesitate [[en:help:v2:maps:on-demand-change|to select another map]] that may be faster for you to access. If you need to download lot of map data, try to avoid rush hours to get a better speed.
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 ===== Problems with maps ===== ===== Problems with maps =====
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 +**When displaying an on-demand online map, I'm only getting the error message "SSLHandshakeException"**\\
 +It probably means you're using a quite old device (Android 4.4 or less) which is unfortunately not compatible anymore with the more recent security protocols requested by this map. This only solution is to use a device with Android 5.0 or more. If it's already the case, please contact us by email to report this map.
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 **What if no maps are displayed, zooming a lot displays "Area not stored"**\\ **What if no maps are displayed, zooming a lot displays "Area not stored"**\\
 It means that you've activated the ''"**Use only local storage**"'' mode that prevent the application to download any new map data. Just [[en:help:v2:maps:on-demand-check-coverage#using_the_use_only_local_storage_option|deactivate this mode as explained here]]. It means that you've activated the ''"**Use only local storage**"'' mode that prevent the application to download any new map data. Just [[en:help:v2:maps:on-demand-check-coverage#using_the_use_only_local_storage_option|deactivate this mode as explained here]].