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I'm building an offline gis app and need satellite tiles. Download and use of most tile providers like google are against their terms of condition. Is there any open/free source for such data?

I can use NASA Blue Marble NG and generate tiles from their images, but the scale is 500 meters and is too coarse grained for my usage.

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  • What sort of resolution would suit your needs?
    – aidenprice
    Jan 15, 2017 at 22:36
  • @aidenprice 1~2 meters would be best.
    – Mehraban
    Jan 16, 2017 at 5:55
  • Also, do you have a particular area of interest? Keep in mind that high resolution tiles over a large area will increase the size of your app dramatically.
    – aidenprice
    Jan 16, 2017 at 22:23
  • @aidenprice Yes, I'm looking for Iran's map.
    – Mehraban
    Jan 17, 2017 at 7:01
  • I can think of a commercial (paid) product that would suit your needs exactly, but it's probably not polite to mention it on an Open Data website.
    – aidenprice
    Jan 18, 2017 at 22:01

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If you don't mind using a non-FOSS source, it looks like the MapBox iOS and Android libraries allow caching satellite imagery.

Links:

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  • Their terms of use doesn't allow end user to redistribute offline maps downloaded from Mapbox servers.
    – Mehraban
    Jan 17, 2017 at 7:04

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