dataset · USA

USGS 3DEP Lidar Height above Ground

This COG type is generated using the Z dimension of the [COPC data](https://planetarycomputer.microsoft.com/dataset/3dep-lidar-copc) data and removes noise, water, and using [`pdal.filters.smrf`](https://pdal.io/stages/filters.smrf.html#filters-smrf) followed by [pdal.filters.hag_nn](https://pdal.io/stages/filters.hag_nn.html#filters-hag-nn). The Height Above Ground Nearest Neighbor filter takes as input a point cloud with Classification set to 2 for ground points. It creates a new dimension, He

Source details

Licence: proprietary

Evidence quality: 22

Listed in planetary-computer public catalogue API on 2026-10-16; relevance/value screened (haiku).

Metadata checked: 2026-10-14T13:20:00.000Z

Evidence

• https://planetarycomputer.microsoft.com/api/stac/v1/collections/3dep-lidar-hag
• https://planetarycomputer.microsoft.com/dataset/3dep-lidar-hag

Check upstream coverage, uncertainty and licence before use. Station observations are not forecasts or design levels.