Download Wikipedia articles' summaries only / download separately from map files #5912

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opened 2023-09-02 20:00:43 +00:00 by pastk · 0 comments

pastk commented

2023-09-02 20:00:43 +00:00

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"Summary" is an article's part before any sections like "History", "See also", etc.

Some examples of map size inflation:
Paris - from 18MB to 65MB
Moscow - from 51MB to 92MB
Buenos-Aires - from 39MB to 70MB
Mexico City - 148MB to 180MB
(these numbers are outdated, but you get the picture)

The big point is:
Users download and keep map files for the sake of the map data, not for the auxiliary function of wikipedia offline reading!
Especially when they can't understand many languages wiki articles are stored in - it just becomes waste of space and bandwidth. IMHO compact map files is one of the notable advantages of OM.

So any significant map size increase should be considered very carefully weighing in the value most of the users will get from it.

I think some questions were not answered before rolling out of the wikipedia feature:

what will be a total size increase if we include all OM languages? (now its limited to just 5)
what will be a size increase for touristic centers (which are downloaded the most often) if we include all languages
size increases if we include all languages but article summaries only?
if we include english summaries only?

It might happen that sizes will be significantly inflated even if we limit to summaries only but include all OM languages.
I don't think it'll be fair to keep the feature limited to a few languages only like it is now - in this case users who don't understand these languages will be at big disadvantage (no value added for them, but need to cope with bigger files anyways) - and this is users from mostly third-world countries who don't posses modern devices with lots of storage and cheap traffic.

Originally posted by @pastk in organicmaps/organicmaps#2410 (comment)

"Summary" is an article's part before any sections like "History", "See also", etc. Some examples of map size inflation: Paris - from 18MB to 65MB Moscow - from 51MB to 92MB Buenos-Aires - from 39MB to 70MB Mexico City - 148MB to 180MB (these numbers are outdated, but you get the picture) The big point is: Users download and keep map files for the sake of the map data, not for the auxiliary function of wikipedia offline reading! Especially when they can't understand many languages wiki articles are stored in - it just becomes waste of space and bandwidth. IMHO compact map files is one of the notable advantages of OM. So any significant map size increase should be considered very carefully weighing in the value most of the users will get from it. I think some questions were not answered before rolling out of the wikipedia feature: - what will be a total size increase if we include all OM languages? (now its limited to just 5) - what will be a size increase for touristic centers (which are downloaded the most often) if we include all languages - size increases if we include all languages but article summaries only? - if we include english summaries only? It might happen that sizes will be significantly inflated even if we limit to summaries only but include all OM languages. I don't think it'll be fair to keep the feature limited to a few languages only like it is now - in this case users who don't understand these languages will be at big disadvantage (no value added for them, but need to cope with bigger files anyways) - and this is users from mostly third-world countries who don't posses modern devices with lots of storage and cheap traffic. _Originally posted by @pastk in https://git.omaps.dev/organicmaps/organicmaps/issues/2410#issuecomment-1100863115_

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