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

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Category Locus Map (Android)

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OpenTopoMap max zoom level 16 - 17

Paweł Gawron shared this problem ago

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Why the max zoom level of OpenTopoMap is 15 when at least 17 is available? For instance, there is no problem to see the map at zoom 17 in All-In-One Offline Maps. What to do to get it in Locus?

The same problem 0

Replies (9)

Petr Voldan ●

Dear Pawel,

I'm sorry for this unanswered topic. We added level 16 and 17 (based on this topic) into the Locus abut two months ago. Unfortunately it seems that these zoom levels are unavailable or server returns wrong responses. For this reason we need to remove these zoom levels. I'm sorry but from the next version will be OpeTopoMap available only in zoom-level <= 15.

BR Petr

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Sylvain Prat ●

I was about to report the same problem! It's a shame, especially when we know that other software offer these zoom levels and do not seem to have any problems. Wasn't it a temporary problem?

Can you please share the map configuration you used so that I can try it as a custom map?

Thanks,

Sylvain

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Sylvain Prat ●

I've managed to get a working provider with no tile missing. See attached file.

Files:

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Petr Voldan ●

It isn't about software possibilities but possibilities of map provider. The custom definition you provided uses the same map server as "official" OpenTopoMaps in Locus. But the server sometimes send wrong response in zooms 16 - 17 for this reason we decided to limit these zoom levels.

Thanks for understanding

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Sylvain Prat ●

After using this custom definition during this week-end, I can confirm that there are some wrong responses for some specific tiles in the latest zoom levels, so I understand your decision. I guess I'll report the problem to the map maintainer, hoping for a fix.

Thanks,

Sylvain

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Hans-Peter Schöner ●

Too bad it is limited to level 15 only. 16 and 17 have quite well rendered maps for some deatils I need once in a while.

Maybe time to look at it again ?

Sylvain - any response from the map maintainer ?

Hans-Peter

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Sylvain Prat ●

No, sorry, I've not receveived any response from the maintainer.

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Hans-Peter Schöner ●

After checking the proposal from the german locus forum to use openandromaps

https://forum.locusmap.eu/index.php?topic=6277.0

(which works, once you understand how to implement it), I still feel that I would like to use opentopomap level 16 (including street names) and level 17 (including house numbers) once in a while.

To Petr: Couldn't you implement a user-defined choice for the maximum (and minimum?) map level which should be used by locus? That would leave the decision to the user, whether he wants to deal with the "wrong responses". I have not experienced any problems using

https://{a|b|c}.tile.opentopomap.org/{z}/{x}/{y}.png

(see https://opentopomap.org/about#verwendung )

Thanks for the consideration.

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Petr Voldan ●

I'm sorry but I have to reject this idea. There is about 50 or 60 default online maps in Locus and only one has mentioned problems. Lot's of users do not know what zoom-level is and they don't know why should change it. I know there are 'advanced' users that know more. And for such users there is workaround with custom provider xml It's also possible use any vector base map (OAM, LoMap) with custom theme.

I'm sorry but this idea is only for very specific situation, Thanks for understanding.

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Hans-Peter Schöner ●

Hallo Petr,

thanks for your fast reply. I can understand your concern, that you don't want to make locus more complicated than necessary. And finally it is your decision anyway. However, I want to makesure you understand, that your argument is not consistent to me:

I tried to use OAM (OpenAndroidMaps)with custom scheme – this is much more complicated and needs more thoroughunderstanding and fine tuning to get this working correctly compared to just extendingthe map level of OpenTopoMaps. And keeping it up to date needs downloading a new map once in a while, region by region. Vector maps are really powerful for some usecases, but they need fine tuning and more detailed understanding.

Most important to me:

1) the result of a vectormap with respect to readability (contrast, character size, placement of the items) has alower quality than what I get from OpenTopoMap level 16 and 17.

2) online maps are less complicated: ready to use and up to date for almost any place in the world, as long as I am online.

So I would be happy if youcould reconsider opening level 16 and 17 some time in the future for the ease of use – I am sure the qualityproblems of those map levels will disappear over time. Until this happens, I'll be patient and use "Quick map change" to switch to another map whenever I need more details - or I use the browser on OpenTopoMap.org .

And just to make sure: thanks for providing and perfectioning such a great and versatile app: LocusMap-pro !!!

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Petr Voldan ●

Hi Hans-Peter,

thank you for the points. The second point makes sense ... Maybe the best option is to use the map itself. Let's try the map in level 16 and 17. There are holes in level 16 and level 17 isn't load at all (at least for me). Please test for example https://opentopomap.org/#map=15/49.92966/15.75747 (the zoom level is the first number in the URL)

I only mention that map on the web is the same you would get in the app.

Thanks, Petr

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Hans-Peter Schöner ●

I see, what you mean: there are definitively some holes (I have not found any at level 16 yet, it only takes a relatively long time to load; but level 17 produces repeatably empty grey "maps" in some regions). But to me not really a reason to exclude the levels completely from usage in LOCUS Map (you might issue a warning in the map description). At many places around the world, where I have used it, the map was available in level 16 and 17.

The website of Opentopomaps.org says, they produce new and actual maps in weekly runs. So there is hope that it might be fixed in the future.

Hans-Peter

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Petr Voldan ●

Hi Hans-Peter,

I'm sorry but exactly for this reasons are the zoom levels limited and users really don't read warning. I think that zoom =15 is sufficient for topo map. And as I already wrote you can use workaround with custom providers if detailed zoom levels are vital for you. Please see older post from @Sylvain Prat.

Thank you for understanding

Petr

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Henk van der Spek ●

Hiking with online maps can be another challenge. Data connection! On our last 7 days hike in Germany we had about 50% reliable connection time.

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