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Geoscience Australia: Appendix A -Feature Type Dictionary
Updated:   12 May 2006

Scales 1:250 000 & 1:100 000

Railway

Railways

RailTransport

Line

A transportation system using one or more rails to carry freight or passengers.

Minimum Size for Inclusion

Length
(mm)
Height 1:100 000
Area (sq m)
1:250 000
Area (sq m)
5      

Data Attributes

FEATURE TYPE (FEATURETYPE) [String; No; 32] The code which identifies the type of topographic feature represented

Railway

NAME (NAME) [String; Yes; 60] The name of the Railway Line.

GAUGE (GAUGE) [String; No; 20] Code for gauge;
Not applicable
Standard: 1435mm
Broad: 1600mm
Narrow: 1067mm
Light
Other
Unknown
Standard-Broad
Standard-Narrow

STATUS (STATUS) [String; No; 18] Code for operational status;
Operational
Abandoned
Under Construction

TRACKS (TRACKS) [String; No; 8] Code for number of tracks;
One
Multiple
Unknown

FEATURE RELIABILITY DATE (FEATURERELIABILITY) [Date; Yes; 0; 0; 36]
The reliability date of the spatial object; Date to be adjusted only during spatial change or verification of an existing feature location or the capture of a new feature (see Section 1 Chapter 3.6);

Most Recent Reliability Date of Revision Source Material (or Base Material/digitial data for inital capture) used for Spatial Verification

FEATURE SOURCE (FEATURESOURCE) [String; Yes; 50]
This primary source used to determine the spatial location of a feature (For use in TOPO100K only;).

ATTRIBUTE RELIABILITY (ATTRIBUTERELIABILITY) [Date; Yes; 0; 0; 36]
The reliability date of the attribute object; Date to be adjusted only during attribute change or verification of an existing feature's item values or the capture of a new feature (see Section 1 Chapter 3.6);

Most Recent Reliability Date of Revision Source Material (or Base Material/digitial data for inital capture) used for Attribute Verification.

ATTRIBUTE SOURCE (ATTRIBUTESOURCE) [String; Yes; 50]
The primary source used to populate the attribute fields of a feature (For use in TOPO100K only;).

PLANIMETRIC ACCURACY (PLANIMETRICACCURACY) [Short Integer; No; 4] The standard deviation of the horizontal positional accuracy.The default value, when not specified in project instructions, will be as follows;
100 / 40

DATA SOURCE (SOURCE) [String; No; 50] This is the official name of the agency that originally captured the spatial object for the TOPO250K NTDB (For use in TOPO250K only) ; The default value when unknown or not specified in project instructions will be GEOSCIENCE AUSTRALIA.

UNIQUE FEATURE IDENTIFIER (UFI) [String; Yes; 10] Alphanumeric feature identifier defined for GEODATA SERIES 2 (For use in TOPO250K only;) (see Section 3 chapter 5.14)

FEATURE CREATION DATE (CREATIONDATE) [Date; Yes; 0; 0; 36] Date of creation of feature in the database. This field will be entered/edited automatically by GEOSCIENCE AUSTRALIA.

FEATURE RETIREMENT DATE (RETIREMENTDATE) [Date;Yes; 0; 0; 36] Date of retirement of feature in the database.This field will be entered/edited automatically by GEOSCIENCE AUSTRALIA.

PERSISTENT IDENTIFIER (PID) [Long Integer; Yes; 8] This field will be entered/edited automatically by GEOSCIENCE AUSTRALIA.

SYMBOL (SYMBOL) [Short Integer; No; 4] (Link to Symbol Dictionary)Symbol number/s applicable;

206 - Single or Unknown
210 - Multiple
208 - Light
209 - Abandoned
0 - Railway coincident with jetty

TEXT NOTE (TEXTNOTE) [String; Yes; 50] Descriptive note to appear on map.

Geodatabase Rules

At 1:100 000 size and any other selection criteria apply to all feature occurrences. Dismantled railways, including those on the latest previous edition map or base data/material will not be shown.

At 1:250 000 size and any other selection criteria apply to new feature occurrences. All feature occurrences existing in the TOPO250K NTDB will be retained unless there is clear evidence they no longer exist. Dismantled railways, including those on the latest previous edition map or base data/material will not be shown.

All railways and permanent sections of light railways will be shown. Short lengths of light railways in position only during the seasonal harvesting of crops will be omitted.

Light railways are lightly constructed railways or tramways used for special purposes, for example scenic railways.

Where railways exist upon a jetty they must be coincident for the length of the railway.
 
All railways, including sidings and marshalling yards should be shown to scale if greater than the minimum size criteria.

Where scale limits the depiction of all tracks, show only those that depict a general representative pattern.

Railway lines will be textnoted with their appropriate gauge width (eg. Gauge 1435mm) where known, an exception will be light railways as the gauge is variable. Abandoned railways will be labelled ‘abandoned’. Where applicable textnotes should be ordered so that gauge information is followed by the status descriptions e.g. 'gauge 1435mm abandoned'. Where multiple gauges are applicable, textnotes should be structured as follows 'gauges 1067mm and 1435mm'. No spaces should exist between the guage numeric value and the 'mm' abbreviation.

 

Inter-Feature Relationship Rules - Internal to Associated Dataset

Nodes will appear at all Railway intersections.

Inter-Feature Relationship Rules - External to Associated Dataset

Railways cannot overlap the following (except when associated with a Railway Bridge Line);
Canal areas, Perennial lakes, Perennial watercourse areas, Flood Irrigation Storage, Town Rural Storage.

Railways cannot overlap;
Sea except when coincident with a Jetty.

Railways cannot intersect;
Discontinuties (feature class).  

Map Rules

All railways, including sidings and marshalling yards should be shown to scale if greater than the minimum size criteria.

Where scale limits the depiction of all tracks, show only those that depict a general representative pattern.

Railways will be labelled with their name. Railway lines will be labelled with their appropriate gauge width (eg. gauge 1435mm) where known, an exception will be light railways as the gauge is variable. Abandoned railways will be labelled ‘abandoned’.

Railways will be masked where black type unavoidably overprints the feature. The break measurement will be 0.2 mm on either side of the type where it crosses the feature. (Note: the feature will be masked only on the map and will be complete in the data.)  

Related Features

Ferry Route Line, Prohibited Area Boundary Line, Railway Bridge Line, Railway Bridge Point, Railway Causeway, Railway Station, Railway Tunnel Line, Railway Tunnel Point, Reserve Boundary Line , Transition point 

Related Chapters

Section 2 chapter 2.2.3
Section 3 chapter 5.11.2  

Related Products

 


Note: See disclaimer in Appendix A Chapter 1.2 Use of Feature Type Dictionary- Structure of an Entry regarding Related features,chapters & products. The information in this entry is uncontrolled when printed.


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