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Locus Map - help desk Topic Question Locus Map (Android)

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Category Locus Map (Android)

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Thumbnail of recorded track not generated

Karsten shared this question ago

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Hi,

I've problems to generate the thumbnails of some of my recorded tracks. See attached file. The start on track 1&3 and the end on track 2 are the same point. This is reproducable, generating the thumbnail of track 1 (per long tap) gives an result (even according to the choosen map theme, very good work guys!), track 2&3 show the little turning arrows, then nothing.

I use the (vector) germany south map of OpenAndroMaps on Locus 3.18.4. I've seen a thread with a similar problem, but it turned out to be a problem with the coverage of the maps. I'm about 100 km away from the map boundary.

The problematic tracks cross the city of Munich. Could this be the problem? Too much information inside the map? I've no other idea.

Please contact me by email if you want the gpx.

Thanks

Karsten

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Replies (1)

Menion ●

Good day Karsten,

because background of a preview is clearly white, it looks for me like Locus pick an incorrect map, so yes, problem with map boundaries.

You have south Germany map, but do you also have some vector map that is close to these tracks? Maybe a map of Munich? Anyway I'm worried that here is not simple solution. LoMaps from Locus store has an extra database which contains exact defined coverage for a maps, so such problem should not happen with them. But it is not a case of other maps downloaded from various sources, like OAM.

So I'm not sure, how may I help here. Maybe removing of some huge maps and replace them by more smaller maps. Thanks to this, maps will have more precise rectangle coverage. Anyway this extra work probably not worth these small previews.

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Karsten ●

Hi Menion,

thanks for your quick response. Your comments encouraged me to dig a little deeper.

I deleted all vector maps (Italy, Austria, Germ. South) and OAM Themes.

Then I redownloaded the Elevate 4 themes and the Bavaria map (which is

the smallest I can get).

Result: it works, I can create all thumbnails.

2) Deleted Bavaria map, got South Germany again.

Result: Still works.

3) Downloaded Austria. Now I have Germany South and Austria.

Result: Broken. White Background again.

4) Deleted Austria. Downloaded Italy.

Result: Works again.

this is probably a clash between the maps of Austria and Germany South.

I finally switched to the Alps map, which is fine for me. I consider

this solved.

Thanks again

Karsten

BTW: Love Locus :-)

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Menion ●

Hello,

yep, this nice test confirm my expectation. Imagine that all maps has defined coverage as smallest possible rectangle. So huge maps may have rectangle in areas where map isn't at all. For example this happen to me when i used some time ago map of whole Germany. This map is so huge, that it's bounding rectangle cover half of Czech Republic and I quite often also had empty background because Germany map was selected instead of Czech.

Best is to have a map that is smaller and cover required area perfectly (smaller maps has usually higher priority) or use LoMaps as I mentioned, where this issue should not happen anymore.

Anyway glad you have a solution. Enjoy summer & Locus combination ;).

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