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Reizentraj

A privacy-aware trajectory toolkit for Google Timeline exports: local/static exploration, server UI, CSV export, recap stats, flight inference, basemap swaps, and a production upload-app architecture.

The toolkit ingests Google Takeout exports, coarsens sensitive corridors, and can produce a self-contained deck.gl + MapLibre explorer. Under the hood, the processing pipeline handles timeline parsing, jump-threshold flight inference, rainbow palette recolouring, optional country/state stats via reverse_geocoder, CSV export with timezone reconstruction, and privacy controls for sensitive anchors.

The embedded demo uses a safety-filtered personal-history artifact: trajectories are coarse, timestamps are collapsed, and precise private anchors are removed. The project also includes a broader web-upload architecture with authenticated jobs, artifact links, retention controls, audit events, and server-enforced sharing.