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Content Title	Walcha Railway 3D May 2024
Content Type	Scene Layer/Scene Layer Package
Description	NSW Transport Theme Railway represents a permanent way of having one or more rail lines which provide tracks for vehicles. A railway can be heavy rails, light rail, monorail and heavy rail siding, for example a railway, tramway or monorail.
Initial Publication Date	01/05/2024
Data Currency	01/05/2024
Data Update Frequency	Other
Content Source	Data provider files
File Type	Scene Layer Package (*.slpk)
Attribution
Data Theme, Classification or Relationship to other Datasets	Transport Theme of the NSW Foundation Spatial Data Framework
Accuracy	The dataset maintains a positional relationship to, and alignment with, the Lot and Property digital datasets. The Lot and Property data was captured by digitising the best available cadastral mapping at a variety of scales and accuracies, ranging from 1:500 to 1:250 000 according to the National Mapping Council of Australia, Standards of Map Accuracy (1975). Therefore, the position of the feature instance will be within 0.5mm at the map scale for 90% of the well-defined points. That is 1:500 = 0.25m, 1:2000 = 1m, 1:4000 = 2m, 1:25000 = 12.5m, 1:50000 = 25m and 1:00000 = 50m. A program of positional upgrade (accuracy improvement) is currently underway. Feature heights have been derived from LiDAR elevation sources including 1m and 2m DEMS. The data used to create the DEMs have an accuracy of 0.3m (95% Confidence Interval) vertical and 0.8m (95% Confidence Interval) horizontal. The features vertical accuracy is also a function of its horizon.
Spatial Reference System (dataset)	WGS84
Spatial Reference System (web service)	EPSG:4326
WGS84 Equivalent To	GDA2020
Spatial Extent
Content Lineage
Data Classification	Unclassified
Data Access Policy	Open
Data Quality
Terms and Conditions	Creative Common
Standard and Specification
Data Custodian	Spatial Services \| Department of Customer Services
Point of Contact	SS-SDS@customerservice.nsw.gov.au
Data Aggregator	Spatial Services \| Department of Customer Services
Data Distributor	Spatial Services \| Department of Customer Services
Additional Supporting Information	Open Geospatial Consortium (OGC) implemented and compatible for the consumption by common GIS platforms. Available as either cache or non-cache, depending on client use or requirement.
TRIM Number

Walcha Railway 3D May 2024