Urbin4hd May 2026

Have you encountered a tool like urbin4hd? Reply below or tag me on Mastodon (@urban_geek@fosstodon.org).

Scrolling through GitHub or academic preprint servers, you occasionally stumble across a name that stops you cold. For me, that name was . urbin4hd

No flashy website. No Medium launch post. Just a few cryptic references in a city planning Slack group and a single line in a transportation modeler’s resume: “Developed urbin4hd pipeline for gigapixel-scale urban change detection.” Have you encountered a tool like urbin4hd

That doesn’t exist in any mainstream tool today. But it should . I’ve used “urbin4hd” as a placeholder because I can’t find a live implementation . If you’re the author or a user, please correct me. More likely, the term floats in internal documentation at a few forward-thinking city tech labs (e.g., NYCDOT’s digital twin group, or a startup like CitiSphere). For me, that name was

# Ingest a month of mobile LiDAR runs urbin4hd ingest --input ./october_lidar/ --input ./november_lidar/ --city "Cambridge" urbin4hd diff --from 2024-10-01 --to 2024-11-01 --output changed_facets.parquet Export a 4D tile for a specific intersection urbin4hd export --tile 12-3456-789 --time-range "2024-11-01/2024-11-07" --format glTF-4D

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