Add chicago-downtown (step 1 of renaming chicago)

[pointcloud-org]

Step 1 of 2 of renaming chicago → chicago-downtown.

Adds the dataset under its correct id, pointing at the raw COPC already copied in R2 to chicago-downtown/ (via the infra repo's new r2-move-object workflow, size-verified at 203,503,244 bytes). The old manifests/chicago/ is left in place here and removed in the follow-up PR.

Why two PRs: a single git mv touches two dataset directories, which sets too_many_datasets — and both dispatch-ingest and dispatch-removal are gated on that being false. The rename would have merged cleanly while performing neither the ingest nor the de-index. Adding first also avoids any window where the dataset is missing from the site and catalog.

Renamed because chicago overstated it — this is a clip of the Loop and riverfront, not the city.

[pointcloud-org]

chicago-downtown

• ✅ file existence: all referenced objects found
• ⚪ pdal_filters: none declared -- nothing to check
• ⚪ CRS consistency: not applicable (no items_dir)

[pointcloud-org]

chicago-downtown: ✅ Ingest complete -- 1 asset(s) processed.

• Points: 358,197
• Size: 194 MB
• License: Public Domain (U.S. Government Work)
• Dataset page: https://pointcloud.org/datasets/chicago-downtown/
• STAC ItemCollection: https://data.pointcloud.org/chicago-downtown/stac/items.json

Description

Classified airborne lidar point cloud of downtown Chicago, clipped to the Loop and the surrounding riverfront and lakefront from the USGS 3DEP work unit IL_4County_Cook_2017 (Cook County, Illinois). Collected 16 April to 7 May 2017 by Geiger-mode lidar for the "WI Kenosha-Racine Counties and IL 4 County QL1 Lidar" project under USGS contract G16PD00498, and processed to classified LAS 1.4 by Dewberry. Acquired to Quality Level 1 at a nominal pulse spacing of 0.35 m, meeting the USGS Lidar Base Specification 1.2 -- the densest specification tier 3DEP publishes, which is what makes the vertical structure of the downtown high-rises legible in the viewer.

Hero image

Footprint

{
  "type": "FeatureCollection",
  "features": [
    {
      "type": "Feature",
      "id": "chicago-downtown",
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -87.5561757473377,
              41.8178400309726
            ],
            [
              -87.5248164590843,
              41.9391656173198
            ],
            [
              -87.6188952221596,
              41.9795565090575
            ],
            [
              -87.7443341718035,
              41.8987497948434
            ],
            [
              -87.5561757473377,
              41.8178400309726
            ]
          ]
        ]
      },
      "properties": {
        "id": "chicago-downtown",
        "pc:count": 358197
      }
    }
  ]
}

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