Description
Collect, process, and quality-control LiDAR data to produce accurate point clouds and elevation products for mapping, engineering, and environmental applications. Operate airborne, mobile, and terrestrial LiDAR systems, integrate GNSS/IMU data, and prepare GIS-ready deliverables and metadata.
- • Establish ground control and checkpoints with GNSS for LiDAR georeferencing and accuracy verification.
- • Collect LiDAR data via airborne, mobile, or terrestrial systems per project specifications and safety protocols.
- • Plan LiDAR acquisition parameters and flight/scan plans to meet coverage, density, and accuracy targets.
- • Configure, calibrate, and boresight LiDAR sensors; integrate GNSS/IMU trajectories.
- • Process raw data to strip-adjusted, georeferenced point clouds.
- • Classify points (ground, vegetation, buildings, water) and extract breaklines and features.
- • Generate DEM/DTM/DSM, intensity rasters, contours, hillshades, and 3D models.
- • Perform QA/QC on point density, overlap, and vertical/horizontal accuracy; produce reports.
- • Manage LAS/LAZ datasets, tiling schemes, metadata, and versioned deliverables.
- • Apply specifications and standards (e.g., USGS LBS, ASPRS) and document workflows.
- • Compile flight logs, sensor settings, survey notes, and control data for processing.
- • Verify coordinate systems, datums, and units against project records and benchmarks.
- • Conduct field checks and ground truthing to validate features and water boundaries; support hydro-flattening.
- • Update existing surfaces and maps with corrected LiDAR data and edits.
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Last reviewed: Jan 2026
