NGP Standards and Specifications

Lidar Base Specification: Table of Contents

Lidar Base Specification 2021 rev. A

Table of Contents

The major headings link to pages which contain the specifications for that section. 

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Download a copy of the Lidar Base Specification 2021 rev. A online content

Revision History

Collection

Data Processing and Handling

Deliverables

Digital Elevation Model Surface Treatments

References

Tables

  • Table 1: Aggregate nominal pulse spacing and density.
  • Table 2: Relative vertical accuracy for light detection and ranging swath data.
  • Table 3: Land cover classes.
  • Table 4: Absolute vertical accuracy for light detection and ranging data and digital elevation models.
  • Table 5: Minimum light detection and ranging data classification scheme.
  • Table 6: Minimum digital elevation model cell size.

Figures

  1. Image showing single coverage collection, no overlap.
  2. Image showing designed double coverage collection, 50-percent overlap.
  3. Image showing designed double coverage collection, cross-flights with 20-percent overlap.
  4. Example of a swath separation image.

Glossary

Appendix 1: Maximum Surface Height Raster 

Appendix 2: Hydro-Flattening Reference 

Appendix 3: Light Detection and Ranging Metadata Example 

Appendix 4: Light Detection and Ranging Metadata Template 

Appendix 5: Well-Known Text Coordinate Reference System Examples

Appendix 6: Supplemental Information

Appendix 7: Common Data Upgrades