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To use GeoDjango you need to have at least GEOS installed, which might not be the case for the standard heroku instances, and you would need to use a custom buildpack that has geos and/or gdal installed. Here are two examples https://github.com/cyberdelia/heroku-geo-buildpack https://github.com/mojodna/heroku-buildpack-gdal However, you would still need ...


I am not sure if your concern in 1) is justified. If I am not mistaken, GeoDjango stores coordinates as a float and in Python has 16 digits precision, which is probably more precision than most observed spatial data has. For instance, to store a longitude coordinate in WGS84, you have values between -180 and 180. This takes three digits before the comma and ...

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