What's new in SimWrapper 4.6
Announcing the release of SimWrapper 4.6, available now on pip, at https://simwrapper.app, and on GitHub.
MATSim ZSTD compression support
SimWrapper now supports the new "ZStandard" file compression format, designated by the .zst file extension. This is in addition to the existing support for gzipped .gz files.
This is timed to coincide with the latest version of MATSim switching its default compression from .gz to .zstd -- so if you are using the latest MATSim, your output files should load in SimWrapper automatically.
While we were in there, we also added .zstd support for loading CSV files, GeoJSON, -- in fact, anywhere that gzip was supported before, should now work transparently with ZStd too. If you find any edge cases, let us know.
ZStd compresses text content approximately the same amount as gzip, but it is blazingly fast in both compression and decompression speed, which is why MATSim switched. Command line users can use the zstd and unzstd commands where you used to use gzip and ungzip. Try it out on your existing datsets!
There are also some minor bugfixes in this release related to large network file support on Safari and Firefox.
More to come!
Please start a chat or follow along on the SimWrapper discussion board if you have suggestions, comments, cheers & jeers!
We are working on lots of other new features and continue to sharpen SimWrapper based on your feedback! Thanks for your support 🙏