Pyalong LiDAR

dataset
Dataset: Pyalong LiDAR Assembly: Single
 
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Pyalong LiDAR

 

Description

Title
Pyalong LiDAR 
Resource Type
Dataset  
 
 

Temporal

 
 

Spatial

Spatial representation type
Point Cloud  
Horizontal Accuracy
0.3m  
Code
MGA Zone 54 GDA2020 
 

 

Maintenance

 
 

Format

Title
LAZ 1.4 (Compressed LAS) 
 
 

Contacts

  Point of contact

 
 

Keywords

Topic category
  • Elevation
 
 

Resource Constraints

Use limitation
General 
Classification
Unclassified  
 
 

Lineage

Description
Classified Point Cloud - AAM uses proprietary ground classification routines in TerraScan to remove any non-ground points and generate an accurate ground surface. Once the ground routine has been completed a manual quality control routine is done using aerial imagery, hill shades, cross-sections, and profiles within the TerraSolid software suite. After this QC step, a peer review and supervisor manual inspection are completed on a percentage of the classified tiles based on the project size and variability of the terrain. Concurrent imagery has been orthorectified and used to colourise the point cloud with RGB values. Overlap Point Flag - Class 12: ’Overlap’ was not used in this project. All points were classified into classes requested and flagged with the Overlap bit flag (Bit 3) in addition to being classified. Geometrically unreliable points near the extreme edge of the swath were classified into class 1, flagged with the Withheld bit flag (Bit 2) and not included in further processing. 
 
 

Metadata Constraints

Classification
Unclassified  
 
 

Quality

Attribute Quality
Positional Accuracy
Conceptual Consistency
Comments
ICSM Level 2+ classification was applied and the data files include RGB imagery point colourisation on all tiles. 
Missing Data
Comments
The LiDAR files are full data tiles (no null space) and the extent and coverage is common with the other datasets in this project. 
Excess Data
 
 

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