Corryong Nariel Creek LIDAR

dataset
Dataset: Corryong Nariel Creek LIDAR Assembly: Mosaic
 
Citation proposal Citation proposal

Corryong Nariel Creek LIDAR

Department of Transport and Planning
 

Description

Title
Corryong Nariel Creek LIDAR 
Resource Type
Dataset  
 
 

Temporal

 
 

Spatial

Spatial representation type
Point Cloud  
Horizontal Accuracy
0.25m  
Code
MGA Zone 55 GDA94 
 

 

Maintenance

 
 

Format

Title
LAS 1.2 Classification Level 2 
 
 

Contacts

  Point of contact

 
 

Keywords

Topic category
  • Elevation
 
 

Resource Constraints

Use limitation
General 
Classification
Unclassified  
 
 

Lineage

 
 

Metadata Constraints

Classification
Unclassified  
 
 

Quality

Attribute Quality
Positional Accuracy
Conceptual Consistency
Missing Data
Comments
Ground Classifications Fugro Spatial Solutions Pty Ltd aim is to select those points that are part of a clean ground surface, which might not be 100% of the ground hits. This results in a cleaner dataset, without compromising on terrain detail and accuracy. Ground filtering algorithms, tailored for this project, data type and terrain type, are applied to the full dataset. The ground filtered dataset is then visually checked by an operator, and incorrectly classified data is corrected or the ground filtering algorithm is adjusted and then visually checked. For the verification of the ground classifications, intensity imagery is used as a backdrop image. This dataset is classified to ICSM Level 2 standard. Ground Surface Gridded DEM A 1m gridded DEM has been generated from the Lidar class 2 ground only. The method of deriving the height for each grid point is by triangulation between the three nearest lidar ground points. Note: Returns on water have been removed from the (classified) point clouds. Gridded datasets have been interpolated across voids (up to 500m in diameter) caused by either no-return due to water bodies, or removal of buildings, vegetation or other above ground features. The tiled data has been cut into 1km tiles, where the file name prefix corresponds with the Lower Left coordinate of the block. Some of the tiled data has been cut into 2km tiles, where the file name prefix corresponds with the Lower Left coordinate of the block. 
Excess Data
 
 

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