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Search country for GPS coordinates without Internet access

I need to find out in which country the GPS coordinates are indicated on a device that does not have Internet access (for example, this , but without a simple online solution). Having no experience with GIS, I assume that I need some kind of module that will statically save the forms of countries and compare the current location with them.

Therefore, I would like to ask which tools would be better for this, and what is the best way to get country data. I use Python in the Linux inbox.

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python gis gps
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Here the form file is here with all the borders of the country. Then you can use OGR or something like this to access the data.

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You can see the GeoDjango documentation even if you are not building a web application. The tutorial covers importing a shapefile of world borders.

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Have you seen https://github.com/krisrak/ios-offline-reverse-geocode-country/ ? everything is offline ... no need for any APIs very quickly. accuracy is not guaranteed !!

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You will need a map with the borders of each country. Then, given the coordinate, you will need to calculate at which border the point fell. Of course, there are two problems: collecting data and presenting it, as well as performing math to find the place of the fall.

Does anyone know how Yahoo does this? Could you put your approach locally?

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