Vicmap Lite - Railway Line - 1:250,000 to 1:5,000,000

dataset: VMLITE_TR_RAIL
This layer is part of Vicmap Lite and contains line features delineating railway features. Vicmap Lite datasets are suited for use between scales of 1: 250,000 and 1 : 5 million. The linework was sourced from Vicmap Transport. The level of attribute information, the number of features and the number of vertices has been simplified to suit the 1: 250,000 - 1 : 5 million scale range. The concept of a Scale Use Code has been introduced to help control the level of detail displayed. THIS DATASET WAS LAST UPDATED IN OCTOBER 2021
 
Citation proposal Citation proposal
(2021)

Vicmap Lite - Railway Line - 1:250,000 to 1:5,000,000

Department of Transport and Planning
 

Simple

 
 

Description

Title
Vicmap Lite - Railway Line - 1:250,000 to 1:5,000,000 
Alternate title
VMLITE_TR_RAIL 
Purpose
THIS DATASET WAS LAST UPDATED IN OCTOBER 2021 
Supplemental Information
Related Documents: None 
Status
Completed  
 
 

Temporal

 
 

Spatial

Horizontal Accuracy
25m  
Code
4283 
 
 

Maintenance

Maintenance and update frequency
As needed  
 
 

Format

 
 

Contacts

  Point of contact

Cited responsible party  

No information provided.

Cited responsible party  

No information provided.

Cited responsible party  

No information provided.
 
 

Keywords

Topic category
  • Transportation
 
 

Resource Constraints

Use limitation
Data available via DELWP Data Service Providers www.delwp.vic.gov.au/vicmapdsp or DataVic www.data.vic.gov.au For enquires relating to this product: vicmap.info@delwp.vic.gov.au 
Classification
Unclassified  
 
 

Lineage

Statement
Dataset Source: Vicmap transport (TR_RAIL) Dataset Originality: Derived 
Description
Collection Method: Derived from source 
Description
Level of detail reduced to suit 1:250,000 - 1:5 million scale range. Redundant attributes removed, Scale Use Code attribute added and populated. Number of verticies reduced using an enhanced Douglas and Peucker simplification algorithm. 
 
 

Metadata Constraints

Classification
Unclassified  
 
 

Quality

Attribute Quality
Comments
Not Known 
Positional Accuracy
Comments
The source line work was generalised using an enhanced Douglas and Peucker simplification algorithm. The algorithm keeps so-called critical points that depict the essential shape of a line and removes all other points. The algorithm connects the end nodes of an arc with a "trend line". The distance of each vertex to the trend line is measured perpendicularly. Vertices closer to the line than the tolerance are eliminated. A 30m tolerance was used on this dataset 
Conceptual Consistency
Comments
Not Known 
Missing Data
Comments
Statewide coverage complete for Victoria 
Excess Data
 
 

Acquisition Info

 
 

Raster Data Details

 
 

Point Cloud Data Details

 
 

Contour Data Details

 
 

Survey Details

 
 

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  Associated resources

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