Warrnambool LiDAR

dataset
Dataset: Warrnambool LiDAR Assembly: Single
 
Citation proposal Citation proposal

Warrnambool LiDAR

Department of Transport and Planning

Description

Title
Warrnambool LiDAR 
 
 

Temporal

Time period
2022-08-162022-08-16 
 
 

Spatial

Horizontal Accuracy
0.3m 
Vertical Accuracy
0.1m 
Code
MGA Zone 54 GDA2020 
 
 

Format

Title
LAZ 1.4 (Compressed LAS) 
 
 

Contacts

  Point of contact

  Custodian

 
 

Keywords

Topic category
  • Elevation
 
 

Resource Constraints

Use limitation
General 
Classification
Unclassified 
 
 

Lineage

Description
1)Real time coverage in field 2)Data download from field 3)Coverage check to see if refly planning if required 4)GNSS-IMU processing sbet 5)Extracting full wave form data and geo-referencing 6)Filtering for ground 7)Flight line matching 8)Tiling 8)Relative adjustments 9)LiDAR points classification 10)Absolute adjustment vs control 11)Generating deliverables DEM / DSM /DHM using natural neighbour interpolation 12)Georeferencing imagery using the precise flight trajectory from GNSS-IMU post-processing; 13)Automatic measurement of tie points between the images and combined block adjustment; 14)Classify the autocorrelated point cloud and extract the ground point; 15)Generate the Ortho images in OrthoMaster; 6)Adjusting colour balance and generating the mosaic in Inpho's Orthovista software; 16)Accuracy and Color sample confirming; 17)Processing the mosaic in SeamEditor and Adobe Photoshop software. 18)QC the mosaic data after producing; 19)Output product in MGA projection; 20)QA the finished product; 
 
 

Metadata Constraints 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
 
 

Acquisition Info

Platform Type
Aerial 
Assembly
Single 
Tile Size
1 km 
 
 

Point Cloud Data Details

Scan Rate (Hz)
0Hz 
Scan Frequency (kHz)
0kHz 
Footprint Size (m)
0.25m 
Point Density Actual (pts/m2)
8points/m2 
Point Spacing Actual (pts/m)
0.34999999points/m2 
Ellipsoid Provided
1 
Ellipsoid Vertical Datum
GRS80 Ellipsoidal (ITRF2008) 
Ellipsoid Format
LAZ 1.4 (Compressed LAS) 
Geoid Vertical Datum
AUSGEOID2020 
Additional Adjustments
The survey was adjusted to State Survey Control Marks supplied by the Surveyor General of Victoria 
Environmental Conditions
LiDAR was captured under standard conditions suited for LiDAR survey with requirements for concurrent aerial photography being a secondary consideration. 
Tidal Conditions
Not Applicable to this block (or within +/- 2hrs of low tide if a coastal blocks) 
Class Level
0 
Classification
Class Level Class 0 - Unclassified Class 1 - Default Class 2 - Ground Class 3 - Low Vegetation Class 4 - Medium Vegetation Class 5 - High Vegetation Class 6 - Buildings/Structures Class 7 - Low/High Points Class 8 - Model Key Points Class 9- Water Class 10 - Bridge Class 12 - Flightline Overlap Points
0 0 1 1 1 1 1 1 1 0 1 1 0
 
 

Survey Details

Sensor

Title
Reigl VQ780 ii 
Identifier
Aerial

Type
LIDAR 
 

Aerial Survey Details

Run Orientation
Not Entered 
Flying Height Unit
agl metre 
Flight Height
865 
 
 


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