Hi, trying to develop an app with an offline map feature of a city with multiple zoom levels, what are my options with this? The map data would be stored natively in the iphone app.

The only option that I'm aware of is to extract each image tile individually within the area of interest and render it myself which is extremely time consuming.

asked 20 Mar '13, 12:13

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k145
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edited 20 Mar '13, 21:56

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aseerel4c26 ♦
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The map won't have any features like routing. It's there for a reference and the most it will do with have multiple zoom levels (smooth zoom)

(23 Mar '13, 00:55) k145

You can type "ios" or "offline" or both keywords in the search field of ths FAQ site ... there have already been similar questions, and answers.

More hints are hidden at Apple_iOS in the OSM wiki. Have a look there for apps that have offline maps. Sometimes there are even opensource apps where you can get some ideas from.

Or tell us an app that comes nearest to your aims, and maybe we can give you some hints how to clone its features.

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answered 20 Mar '13, 16:35

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stephan75
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Just in case, if you're not already familiar with how OpenStreetMap data is structured, it's worth having a read of this page and the ones linked to it from the wiki. I'd also suggest becoming familar with the editing process - try adding some local points of interest near you that aren't already on the map.

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answered 20 Mar '13, 16:56

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SomeoneElse ♦
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question asked: 20 Mar '13, 12:13

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last updated: 23 Mar '13, 00:57

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