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Failed download always starts from 0%

Bartek Zoladkowski shared this problem 4 years ago
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I'm currently on a trip, using offline navigation (LoRouter/gold plan) in an area with poor internet reception. While trying to download a missing nav segment, the process fails at around 15-25%. Then on each restart it goes from 0% again, which is a real pity, because after so many retries i could already have the entire thing if only downloads were implemented with support for HTTP range :(


Normally this would not be a problem of course... if I were at home, a big city or a hotel with decent wifi. Or if navigation data could be preloaded ahead of time just as maps are... :(


I also have brouter, with all areas of my trip downloaded, but in this case, theres also an issue, but thiscould be brouter problem - "exception reading rawTrack - j.i.EOFException" which suggest that i should perhaps try to download this again, which takes me back to poor internet :(

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Hi Bartek. Thank for reporting.

Tiles (and smaller patches updating them) can be downloaded in advance. Go to Locus Store -> maps -> LoMaps. Select a Map that covers the area of interest. There is option to download elevation and routing data in advance. You do not need to buy / own / download the map. Just the area covered by map is used to determine tiles (patches) needed. Attached pictures should give some idea how large the routing tiles (patches) are.

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Support for http range requests: good point, if the cloud storage provider we use support this. I don't know at the moment.1cc1afa9edf66f6fae9d56609977b14a211fb67edf85db080344da910cb5e74e29fc8df97d4e138bcbd26724a6bfcf2d

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Thanks Radim, that's good to know it's possible :)

Yeah, http range requests would be a great improvement (although maybe very little noticeable once it's working)


Edit: not sure if i could do it, but this thread could be put in suggestion/feature request instead of a problem

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