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Summary
Item Identification
Keywords
Physical Location
Entity Info
Data Attributes
Catalog Details

Summary

Description

Class table describing the class numbers used in the lidar data file. Each point in the lidar file has a class associated.

Entity Information

Entity Type
Other

Data Attribute / Type Description
1 - Unclassified
Point class number
Unclassified point
2- Ground
Point class number
Ground Point
7 - Low Point (Noise)
Point class number
Low Point (Noise)
9 - Topo Water Surface
Point class number
Point classified as Topo Water Surface.
18 - High Noise
Point class number
Point classified as high noise.
40 - Bathymetric Point
Point class number
Point classified as bathymetric ground.
41 - Bathymetric Water Surface
Point class number
Point classified as water surface.
42 - Synthetic Derived Water Surface
Point class number
Derived water surface (synthetic water surface location used in computing refraction at water surface).
43 - Submerged Object
Point class number
Submerged object, not otherwise specified (e.g., wreck, rock, submerged piling).
44 - IHO S-57 Object
Point class number
Point classified as an S-57 object by the International Hydrographic Organization (IHO)
64 - Submerged Aquatic Vegetation
Point class number
Point classified as submerged aquatic vegetation.
65 - Bathymetric Bottom Temporal Changes
Point class number
Bathymetric Bottom Temporal Changes

Controlled Theme Keywords

elevation, Elevation Theme, LIDAR

Child Items

No Child Items for this record.

Contact Information

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Please contact the owner organization (NGS) for inquiries on this record.