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SciTools
ENH: Allow Natural Earth version to be specified
Rationale
As requested in #2293, it would be useful for reproducibility to be able to specify what Natural Earth version to use, in addition to current default behavior of downloading the latest version.
Implications
This enhancement is added. If a version is specified, it will be downloaded to subfolders within cultural or physical corresponding to the version requested and then used.
Checklist
Testing: Since Natural Earth is already in several places in the test suite, I modified one of them to now use a specific version.
Do we also need something to expose the version option on NaturalEarthFeature, similar to how scale is handled?
Do we also need something to expose the version option on
NaturalEarthFeature, similar to how scale is handled?
Yes, thanks. Version should definitely be an option there too but I wasn't tracking that feature - have added it in now.
Related, I have linked there to https://github.com/nvkelso/natural-earth-vector/releases as a good source for version information, because it was confusing that most of the versions shown on https://www.naturalearthdata.com/ (e.g. 4.0.0, 2.0.0, etc.) are not available on the AWS service to download, yet there are many newer versioned releases that are available which are not shown on https://www.naturalearthdata.com/.
CI helped pick up an omission of version in one place in NaturalEarthFeature - a clean version is now pushed with that edit.