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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)
40 - Bathymetric Point
Point class number
Point classified as bathymetric ground.
41 - Water Surface
Point class number
Point classified as water surface.
42 - Derived Water Surface
Point class number
Derived water surface (synthetic water surface location used in computing refraction at water surface).
45 - Water Column
Point class number
Point classified as water column.

Controlled Theme Keywords

elevation, Elevation Theme, LIDAR

Child Items

No Child Items for this record.

Contact Information

No contact information is available for this record.

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

Item Identification

Title: NOAA NGS Topobathy Lidar Class Scheme: Guguan, CNMI
Status: Completed

Keywords

Theme Keywords

Thesaurus Keyword
Global Change Master Directory (GCMD) Science Keywords
EARTH SCIENCE > SPECTRAL/ENGINEERING > LIDAR
ISO 19115 Topic Category
elevation
NGDA Portfolio Themes
Elevation Theme

Instrument Keywords

Thesaurus Keyword
Global Change Master Directory (GCMD) Instrument Keywords
LIDAR > Light Detection and Ranging

Platform Keywords

Thesaurus Keyword
Global Change Master Directory (GCMD) Platform Keywords
Airplane > Airplane

Physical Location

Organization: Office for Coastal Management
City: Charleston
State/Province: SC
Country: USA

Entity Information

Entity Type: Other
Active Version?: Yes
Description:

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

Data Attributes

Note: Metadata requirements do not apply to attributes for non-tabular entities.

Attribute Summary

Rubric Score Primary Key? Name Type Description
N/A
1 - Unclassified Point class number Unclassified point
N/A
2- Ground Point class number Ground Point
N/A
7 - Low Point (Noise) Point class number Low Point (Noise)
N/A
40 - Bathymetric Point Point class number Point classified as bathymetric ground.
N/A
41 - Water Surface Point class number Point classified as water surface.
N/A
42 - Derived Water Surface Point class number Derived water surface (synthetic water surface location used in computing refraction at water surface).
N/A
45 - Water Column Point class number Point classified as water column.

Attribute Details

1 - Unclassified

CC ID: 1322486
Seq. Order: 1
Data Storage Type: Point class number
Required: No
Primary Key: No
Status: Active
Description:

Unclassified point

2- Ground

CC ID: 1322487
Seq. Order: 2
Data Storage Type: Point class number
Required: No
Primary Key: No
Status: Active
Description:

Ground Point

7 - Low Point (Noise)

CC ID: 1322492
Seq. Order: 3
Data Storage Type: Point class number
Required: No
Primary Key: No
Status: Active
Description:

Low Point (Noise)

40 - Bathymetric Point

CC ID: 1322488
Seq. Order: 5
Data Storage Type: Point class number
Required: No
Primary Key: No
Status: Active
Description:

Point classified as bathymetric ground.

41 - Water Surface

CC ID: 1322489
Seq. Order: 6
Data Storage Type: Point class number
Required: No
Primary Key: No
Status: Active
Description:

Point classified as water surface.

42 - Derived Water Surface

CC ID: 1322490
Seq. Order: 7
Data Storage Type: Point class number
Required: No
Primary Key: No
Status: Active
Description:

Derived water surface (synthetic water surface location used in computing refraction at water surface).

45 - Water Column

CC ID: 1322491
Seq. Order: 9
Data Storage Type: Point class number
Required: No
Primary Key: No
Status: Active
Description:

Point classified as water column.

Catalog Details

Catalog Item ID: 72015
GUID: gov.noaa.nmfs.inport:72015
Metadata Record Created By: Maryellen Sault
Metadata Record Created: 2024-02-01 14:57+0000
Metadata Record Last Modified By: Maryellen Sault
Metadata Record Last Modified: 2024-02-01 14:57+0000
Metadata Record Published: 2024-02-01
Owner Org: NGS
Metadata Publication Status: Published Externally
Do Not Publish?: N
Metadata Last Review Date: 2024-02-01
Metadata Review Frequency: 3 Years
Metadata Next Review Date: 2027-02-01