Title

Geelong Fast Rail DSM 

Time period

2022-08-012022-08-08 

Horizontal Accuracy

0.05m  

Vertical Accuracy

0.05m  

Code

MGA Zone 55 GDA2020 

Title

TIFF 

Topic category

• Elevation

Use limitation

General 

Classification

Unclassified  

Description

The Digital Surface Model (DSM) is generated from a noise cleaned Point cloud in Global Mapper. The DSM represents the highest orthometric elevation feature within each cell at a resolution of 25cm. Including all features such as synthetic points, ground, vegetation, and human made structures. The DSM was supplied in 1km GeoTIFF tiles as per DELWP’s requirements. 

Classification

Unclassified  

Attribute Quality

Positional Accuracy

Conceptual Consistency

Comments

DSM 1km tiles supplied in geotiff format and mosaics in cloud optimised geotiff format per PTV blocks. 

Missing Data

Comments

Complete coverage of the rail corridor, around 350m wide. 

Excess Data

Platform Type

Aerial  

Assembly

Single  

Tile Size

1 km  

Raster Type

Digital Surface Model  

X Pixel Resolution (cm)

0.25cm  

Y Pixel Resolution (cm)

0.25cm  

Seamlessness

Full  

Number of Bands

1 

Band List

1  

Resampling Kernel

Nearest Neighbour  

Rectification Type

Not Entered  

Platform Name

Fixed Wing Aircraft