Data product description
Vicmap Transport
Document version 4.1 – November 2013 Applies to delivered data model version 3.3
Published by the Victorian Government Department of Environment and Primary Industries Melbourne, June 2013 © The State of Victoria Department of Environment and Primary Industries 2013 This publication is copyright. No part may be reproduced by any process except in accordance with the provisions of the Copyright Act 1968. Authorised by the Victorian Government, 8 Nicholson Street, East Melbourne.
Print managed by Finsbury Green. Printed on recycled paper. ISBN 978-174287-815-7 For more information contact the DEPI Customer Service Centre 136 186 Standard This document is based on the AS/NZS ISO 19131:2008 Geographic information Acknowledgments
The Department of Environment and Primary Industries acknowledge the assistance of PSMA Australia in the preparation of this guide. Disclaimer This publication may be of assistance to you but the State of Victoria and its employees do not guarantee that the publication is without flaw of any kind or is wholly appropriate for your particular purposes and therefore disclaims all liability for any error, loss or other consequence which may arise from you relying on any information in this publication. DEPI does not warrant that this Product Description and the data are free from errors or omissions. Also, DEPI shall not be in any way liable for any loss, damage or injury suffered by the licensed user of the data of this Product Description or any other person or organisation consequent upon or incidental to the existence of errors or omissions in the data or this Product Description. Accessibility If you would like to receive this publication in an accessible format, such as large print or audio, please telephone 136 186, or email [email protected] Deaf, hearing impaired or speech impaired? Call us via the National Relay Service on 133 677 or visit www.relayservice.com.au This document is also available in PDF format on the internet at www.depi.vic.gov.au/vicmap/vicmap Department of Environment and Primary Industries
Contents
Overview 3
Vicmap Products 3 Data product specification title 3 Reference date 3 Responsible party 3 Language 3 Topic category 3 Distribution format 3 Terms and definitions 4 Abbreviations and acronyms 6
Specification Scope 7
Scope identification 7
Data Product Identification 8
Title 8 Alternate titles 8 Abstract 8 Purpose 9 Topic category 9 Geographic description 9
Data content and structure 10
Feature-based data 10 Feature-based application schema (data model) 11 Data dictionary 11 Data structure 11
Reference system 12
Storage Reference system 12 Temporal reference system 12 Reference system scope 12
Data quality 13
Accuracy 13 Feature and attribute accuracy (Thematic accuracy) 13 Completeness 13 Logical consistency 13
Data capture 14
Data capture scope 14
Vicmap Transport Product Description - Version 4.1 (applies to data model V3.3) Department of Environment and Primary Industries
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Vicmap maintenance 14 Maintenance and update frequency 14
Data product delivery 15
Access 15 Licencing and pricing 15
Metadata 16
Appendix A - data model 17
Appendix B data dictionary 18
Appendix C - data schema 40
Appendix D – feature attribute rules 43
Appendix E - reference tables 48
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Overview
Vicmap Products Vicmap Digital is the foundation that that underlies most spatial information in Victoria. This set of spatial related data products, made from individual datasets, is developed by Information Services Victoria, DEPI. VSIS framework information datasets have been delivered into the following Vicmap Products, identified below.
Vicmap Address Vicmap Lite Vicmap Admin Vicmap Planning Vicmap Crown Land Tenure Vicmap Position Vicmap Elevation Vicmap Property Vicmap Features of Interest Vicmap Topographic Vicmap Hydro Vicmap Transport Vicmap Imagery-Aerial Photography Vicmap Vegetation Vicmap Imagery- Satellite
Vicmap Reference Tables Vicmap data is supported by a collection of Reference Tables. A Reference Table may list the full name, description and other attributes associated with a feature code or identifier.
Further information at http://www.depi.vic.gov.au/vicmap Data product specification title Vicmap Transport Product Description.
Reference date June 2013.
Responsible party Information Services Division Department of Environment and Primary Industries PO Box 500, East Melbourne VIC 3002 Australia T: 03 8636 2333 | F: 03 8636 2813 | E: [email protected] http://www.depi.vic.gov.au/vicmap http://www.depi.vic.gov.au/maps-imagery-data http://www.depi.vic.gov.au/spatial
Language English
Topic category Spatial data and metadata for the transport dataset for Victoria.
Distribution format PDF.
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Terms and definitions This section includes the standard terms and conditions.
Term Definition Area feature A feature which is portrayed as a region or surface. An area feature is bounded by one or more polygons. AS/NZS Geographic Information – Data Product Specifications 19131:2008 This standard was used as a source for developing the Vicmap Data Product Description template. See also PSMA Data Product Description. Attribute A particular characteristic or property of an entity. Attributes can be spatial (or locational) and aspatial (or non-locational). Attribute Object The addition of non-locational information about a feature instance. These data identify the feature class and the aspatial attributes of a specific instance of the feature type. The attribute object is composed of one or more attributes. Attribute Value The value assigned to an attribute for a specific feature instance.
Authoritative Organisation legislated or recognized as responsible for data feature. Data Custodian Chain A line composed of a sequence of non-intersecting line segments bounded by nodes. Chains reference the polygons to the left and right of the chain. Data The base level of information stored in electronic databases. Generally, “raw” data has not been value-added. Source- www.ga.gov.au Entity A real world phenomenon not divided into phenomena of the same kind. Feature An abstraction of an entity. The description of a feature instance encompasses only selected Instance properties of that entity. Feature instances can also be referred to as features. Feature Type A class of real world phenomena with common properties. A group of feature instances defined by a set of rules and having common attributes and relationships that are properties of the corresponding real world phenomena. Within the Oracle tables that comprise Vicmap Digital Property, classes may refer to “link” tables, which establish direct relationships between the point and/or line and/or polygon structures that may be used as spatial objects. The feature structure of the feature based data model can be summarised as: feature instance = [spatial object + attribute object] Information A body within Department of Environment and Primary Industries, responsible for spatial policy Services for the State and for providing and maintaining a statewide spatial infrastructure, including the Division Victorian Geodetic Framework and Vicmap Digital. Layer Subdivision of a theme into one or more layers of data on the basis of topological relationships. Linear networks, polygons and point/line features are placed in separate layers. Linear Network A theme layer consisting of linear features which are connected forming a pathway along which movement is possible. Metadata Metadata, defined as ‘information about information’, provides fundamental information management tools at three levels: • Discovery: enabling users to locate and evaluate information. • Management: enabling custodians to better manage their spatial information. • Utilisation: enabling users to access and manipulate information by means of automated / distributed systems. Node A point that is a junction of two or more chains or which is the end point of a chain. Node/Chain The structuring of linear features in a theme layer so that they consist of chains broken by Structure nodes at intersections or at the point where an attribute of the feature changes.
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Notification for The Notification for Editing Service (NES) is an initiative that is crucial to supporting Editing Service government delivering outcomes by aiding in the provision of authoritative location based services across business for users of all levels of expertise. The objectives of NES are to: • Improve spatial data quality • Provide simple, efficient, effective, low cost maintenance processes • Create a fully transparent maintenance process for all participants • Enable maintenance process availability to any potential maintainer Access to NES application is restricted to selected customers. Enquiries can be directed to [email protected] Persistent Each feature is uniquely identified by a Persistant Feature Identifier (PFI). The PFI remains Feature with the feature until the feature (and the PFI) is retired, i.e.it is unaffected by attribute identifier (PFI) changes. Polygon A set of chains used to define the boundaries of an area. There is one external polygon and there may be one or more internal, non-nested polygons. Positional Statistical estimate of the degree to which planimetric coordinates and elevations of features Accuracy agree with their real world values. Property Property Information Program (PIP) – reconciliation of property/parcel/road information held by Information local government against Vicmap. Program PSMA Data PSMA Australia Limited, PSMA Transport & Topography Data Product Description, V3.4, Product November 2012. Description This Data Product Description was used as the template for developing the Vicmap Data Product Description template. See also AS/NZS 19131:2008 Geographic Information – Data Product Specifications. Reference Reference tables are used in the production and maintenance of this data set. They have Tables been established to provide a ‘real world’ picture of the features and attributes to which they pertain. They illustrate the layer - entity relationships and specify attribute detail pertinent to each. Copies of these tables are downloadable from http://depi.vic.gov.au/Vicmap select Vicmap Products, then Reference Tables. Copies may also be obtained directly from DEPI. They are held as ‘Oracle’ tables and are available in most database, spreadsheet and delimited formats. Some of the tables are dynamic, with changes being incorporated as new entries are determined. Users should regularly check the web site.
Segment A direct line between a pair of points, or a point and a node. Spatial Object The addition of all of the locational attributes of the feature instance and may comprise geometrical objects such as points, lines and polygons. Spatial objects carry a spatial address that consists of one or more couplets (x, y) or triplets (x, y, z) of co-ordinates. In the feature based data model topological relationships will be carried as part of the spatial object whenever the transfer formats support them. Theme The information contained in the map production material can be divided into themes which contain logically-related geographic information, each theme capable of being used as a data set in its own right. Unique Feature Each feature has a Unique Feature Identifier (UFI) which will change if the feature is changed identifier (UFI) (not retired) in any way, mainly through attribute and spatial representation changes. See also Persistent Feature Identifier (PFI) Vicmap Vicmap is a set of spatially related data products made up from individual datasets. They are the underlying foundation to Victoria's primary mapping and geographic information systems. Vicmap products are produced and managed by Information Services Division, Department of Environment and Primary Industries. Further Information- http://www.depi.vic.gov.au/vicmap
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Abbreviations and acronyms This section includes the standard abbreviations and acronyms.
Term Definition ABS Australian Bureau of Statistics GDA94 The Geocentric Datum of Australia (GDA) is an earth centered datum based on the Geocentric Reference System 1980 Ellipsoid (GRS80). It has been determined in the International (Earth Rotation Service) Terrestrial Reference Frame 1992 (ITRF92) at the epoch of 1994.0 . GDA94 replaces the Australian Geodetic Datum (AGD) which was a regional datum, not directly compatible with Global Satellite Navigation Systems (GNSS).
GIS Geographic Information System. A spatial database which is manipulated with a set of spatial operators or commands. ICSM Intergovernmental Committee on Survey and Mapping. ICSM's role is to provide leadership through coordination and cooperation in surveying, mapping and charting. ICSM's core function is to coordinate and promote the development and maintenance of key national spatial data including geodetic, topographic, cadastral, street addressing, tides & sea level, and geographical names. See http://www.icsm.gov.au/ PIP Property Information Program (PIP) – reconciliation of property/parcel/road information held by local government against Vicmap. VSIS 2011-14 The current version of the Victorian Spatial Council’s Spatial Information Strategy to create the frameworks that enable all sectors of the spatial information community to be highly engaged and their efforts integrated towards delivering a spatially enabled Victoria. Further information http://victorianspatialcouncil.org/
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Specification Scope
Scope identification Level Theme Vicmap Transport is underpinned by a road centreline layer across the state of Victoria. The Transport theme provides data that covers the following infrastructure: Roads – a statewide coverage of network roads at all levels within Victoria. Including major highways to walking tracks, ferry routes, new roads and changes to current roads. Airports – all aspects of airports infrastructure within Victoria, including all airports from international to local landing strips. Rail – the statewide rail network as well as tram lines are provided in one layer with a separate layer showing railway stations.
Level Names Vicmap Transport.
Extent State of Victoria.
Vicmap Products affected by the Cross border data agreements Cross border data for select Vicmap Products is provided to DEPI under agreements with NSW and SA. For these select Vicmap Products, coverage extends across the whole of Victoria as well as up to 100 kilometers into New South Wales and an 1 x 1:100 000 tile into South Australia. For further information, the list of effected products and a coverage diagram go to http://www.depi.vic.gov.au/crossborderdata.
Data available under the DataVic access policy http://www.data.vic.gov.au/ – Victoria Only Many DEPI datasets, and most Vicmap products (covering Victoria only) are available through the DataVic Access Policy. See this website for details including: Timetable for release Usage and availability restrictions License restrictions and conditions Access constraints Exclusion of liability Supply and media formats Projections.
NOTE: Any Vicmap Products or datasets, not currently implemented by the DataVic Access Policy, still retain the same pricing, licensing, restrictions, conditions, liability, constraints as indicated at http://www.depi.vic.gov.au/vicmap webpage.
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Data Product Identification
Title Vicmap Transport
Alternate titles NA
Abstract Vicmap Transport represents the transport network of the state of Victoria and is made up of point, line and polygon area features in a seamless and topologically structured data set. It is comprised of a basic framework of linear features supplemented by related point and node and polygon features providing the supplementary data supporting the transport network over Victoria. Further classification and description of real world features is provided by attribute tables, which add specific description and definition to each feature supported by code lists that can be used for analysis and individual identification. Road and rail datasets support networking and routing.
The following transport features are fundamental to this data set series: Road network Road related structures – including fords, bridges, tunnels, gates, intersections, roundabouts, barriers, rail crossings and ferry routes Rail network, railway yard, tramway, railway bridge, railway tunnel Rail related structures – including railway sidings, stations, railway bridges, railway tunnels Tramway network Air related structures – including (major) airport extents, runways, landing strips, helipads.
Vicmap Transport is a combination of a number of tables that are a part of the Vicmap suite of products. Datasets in the series are listed below. See their metadata entries for more detailed metadata. Airport Area (polygon) - Vicmap Transport (TR_AIRPORT_AREA_POLYGON) Airport Infrastructure - Vicmap Transport (TR_AIRPORT_INFRASTRUCTURE) Airport Infrastructure Area (polygon) - Vicmap Transport (TR_AIR_INFRA_AREA_POLYGON) Airport Infrastructure Point - Vicmap Transport (TR_AIR_INFRA_POINT) Rail Network - Vicmap Transport (TR_RAIL) Rail Infrastructure - Vicmap Transport (TR_RAIL_INFRASTRUCTURE) Road Network - Vicmap Transport (TR_ROAD); Road Infrastructure - Vicmap Transport (TR_ROAD_INFRASTRUCTURE).
Users of Vicmap Transport should refer to this product description and the Vicmap Transport - Technical Specifications document available on the Vicmap Transport product page at http://www.depi.vic.gov.au/vicmap .
This product should also be used in conjunction with the Vicmap Reference Tables product.
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Purpose Vicmap Transport provides an accurate representation of the Transport network across Victoria. It is used in a variety of applications, particularly in emergency services, natural resource management, planning and development, and digital map publications.
Topic category Transport (Road and Rail) networks and infrastructure with associated textual metadata.
Geographic description The Vicmap product covers the transport network within the State of Victoria.
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Data content and structure
Vicmap Transport is made up of point, line and polygon area features in a seamless and topologically structured data set. It is comprised of a basic framework of linear features supplemented by related point and node and polygon features providing the supplementary data supporting the transport network over the topographic and demographic landscape. Further classification and description of real world features is provided by attribute tables, which add specific description and definition to each feature supported by code lists that can be used for analysis and individual identification. The following transport features are fundamental to this data set: Road network; Road related structures – including fords, bridges, tunnels, gates, intersections, roundabouts, barriers, rail crossings Ferry routes Rail network, railway yard, tramway, railway bridge, railway tunnel Rail related structures – including railway sidings, stations, railway bridges, railway tunnels Tramway network Air related structures – including (major) airport extents, runways, landing strips, helipads.
Feature-based data Vicmap Transport is a feature-based product. A data model (See Appendix A) is included with an associated data dictionary (See Appendix B).
Features Unique Feature Identification managed through the use of two identifier attributes. The Persistent Feature Identifier (PFI) and the Unique Feature Identifier (UFI); each feature uniquely identified for change management. Direction code to indicate forward or reverse direction of roads with respect to each vector, the digitised direction of feature. Connectors or pseudo roads are used to provide topologically correct representation to allow for linear analysis of road networks through roundabouts or implied intersections, Feature attribution to further describe or classify features e.g. Name, locality, route number, class, road seal, road restriction, bridge construction type, structure type, physical condition. Feature_Quality_ID attribute is the pointer to a Feature Quality Table that provides data quality information (feature reliability dates, spatial accuracy and data source). Seamless storage of the data across full extent (non-tiled). Adoption of ICSM guidelines for incremental updates - to assist in temporal data management (features are date-stamped – data is retired rather than deleted). Meaningful alphanumeric feature codes are held directly on spatial features to facilitate data maintenance e.g. rail_cross, bridge. Ramp naming convention employed to uniquely identify freeway interchange ramps using a derived logical traffic flow of either INbound or OUTbound ramps relative to Melbourne. Road chain features carry locality (suburb) left and right as attributes, helping orientate users and the differentiation of roads with duplicate or ambiguous names. National and State Road Route Numbers. Public Land managed roads indicated by the NRE Route Number. Alternate/alias road names.
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Under regular maintenance cycle - Data supplied by authoritative sources.
Feature-based application schema (data model) The Vicmap Transport data model diagram, current to the listed Reference Date, is set out at Appendix A. NOTE- The most current Data Models are published at http://www.depi.vic.gov.au/vicmap Select Vicmap Products > Features of Interest.
Data dictionary The Vicmap Transport feature based feature catalogue in support to the application schema, current to the listed Reference Date, is set out at Appendix B.
Data structure Topologically structured Seamless across full extent Conforms to national data models i.e. ANZLIC, ICSM Consists of vector data lines, points and polygons Additional information about features contained in attribute tables e.g. data quality, feature type. Linear layers: Linear features such as roads and railways can be considered as linear networks and are of special interest in GIS for network analysis processes such as shortest path computations. Linear Networks are composed of nodes and chains. Nodes may be distinct features in their own right and are used in Vicmap Transport to represent such features as a road end or an intersection with other linear features. Point layers : Relatively small area features, less than 50m in length, may be generalised as entity points such as the centroids of bridges, tunnels, gates, railway stations and helipads, etc. Some larger area features, e.g. helipads are represented as entity points. Polygon layers: Some larger area features have been captured in more detail and will be represented as entity polygons. Examples include airport perimeters and sealed runways at major airports.
Attribution Every entity in this dataset is attributed, including detail both specific to the individual entity (e.g. road name) and generalised information about the feature (e.g. feature type). Generalised classes of common attribution are coded and indexed in separately maintained reference tables. Attribute Class Tables include: Spatial Feature – Description of a spatial feature within the dataset including feature ID, date stamping and type; Feature Quality - Defines accuracy and other quality information pertaining to this spatial feature; Capture Method - The method used to capture this data; Data Source - The source of the data in this dataset; Layer - The layer to which the features belong; Theme - The Theme to which the features belong; Named Feature - The list of all names of features used within Victoria, with linkages to the official Geographic Place Names Register maintained by DEPI; Alternate Name - The list of alternative names applicable to features. Names may or may not occur in the Geographic Place Names Register. Feature Type - The holding of all the different feature types that are applicable and their relationship to the original Vicmap IGDS Data Dictionary. Vicmap Transport Product Description - Version 4.1 (applies to data model V3.3) Department of Environment and Primary Industries 11
Reference system
Storage Reference system The datum used in the construction and maintenance of Vicmap data is the Geocentric Datum of Australia (GDA94). Data is held in geographicals (latitude/longitude).
Temporal reference system Gregorian calendar.
Reference system scope The spatial objects and temporal collection periods for the Vicmap datasets.
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Data quality
Accuracy Positional A conservative estimate of 5 m and 20 m for the standard deviation of the Vicmap Transport within the Melbourne Metropolitan area and rural areas respectively will be used in any data quality information. Alternative and equal ways of expressing this error are: Not more than 10% of well-defined points will be in error by more than 8.2 m for the Melbourne Metropolitan area and 33 m for rural areas. The worst case error for the data is ±15 m for the Melbourne Metropolitan area and ±60 m for rural areas.
Feature and attribute accuracy (Thematic accuracy) Attribute accuracy Checks on existing data attribution is continuing and inconsistencies are being systematically identified, removed and omissions added e.g. name attributes, construction and structure type. For example, ISD seeks the latest authoritative list of road names from all road managers and road naming authorities as well as Victorian councils. ISD reviews VT road name content against these road name authority listings through the annual Property Information Quality Audit (PIQA). – It should be noted that this work has raised inconsistencies within local government’s management systems and names may cycle as they are reaffirmed or revised.
Completeness ISD continuously reviews its data against the latest information available from respective authoritative sources. Reliability figures indicating completeness of content between the data set and real world. Estimated completeness of content with respect to Layers: Road infrastructure ( ford, bridge, tunnel, gate, intersection points) Victoria …… 96% Road ( road, bridge, tunnel, ford) Victoria …… 96% Ferry Route Victoria …… 90% Rail (railway, tramway, station, bridge, tunnel, yard ) Victoria …… 90% Airport Infrastructure ( runway, helipad ) Victoria …… 95% Airport Area (airport ) Victoria …… 95% *The above figures are believed to be reasonable estimates of accuracy. They are anecdotal, sometimes supported by limited feature and/or attribute comparisons with other data sets. They have not been confirmed through statistical methodologies and/or large scale field trials.
Logical consistency There is a high degree of adherence to logical rules of data structure, attribution and relationships.
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Data capture
Data capture scope Vicmap transport is a fully maintained data product which has been under constant maintenance since its creation in 2000. The original line work and points were derived from the Vicmap Digital Topographic (VDT) map base coordinated by LIG a predecessor of ISD. VDT evolved from Victoria's printed 1:25,000 Topographic Map Series program together with the need to supply a control framework for the creation of the rural Digital Cadastral Mapbase. The capture scale is 1:25,000 Statewide and the coverage, except for minor border issues is also statewide.
History See Vicmap Transport - Technical Specifications.
Data maintenance
Vicmap maintenance Maintenance activities are triggered by DEPI receiving updated Transport data from the data custodians according to a pre agreed schedule for the data delivery. At present this schedule defines a weekly update process.
Maintenance and update frequency Primary Custodians of Transport data are local government for new and changed road information (supplied via the PIP), Vicroads for major roads, the Registrar of Geographic Names for locality and topographic feature name detail and the DEPI for roads on public land.
Data made available to Vicmap under Cross Border agreements is subject to the maintenance regime of the relevant jurisdiction and is not subject to the same maintenance regime of the Vicmap datasets.
Cross border data made available in Vicmap is not updated regularly and was last updated in January 2012.
Content may be supplemented and /or verified with information supplied by: Licensed Surveyors Regional Water Authorities Street Directories Melbourne Water Victoria’s Emergency Services Emergency Services Telecommunications Authority (ESTA) Parks Victoria Land Registry - DTPLI Data capture and verification using aerial imagery Victorian Government Gazette
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Data product delivery
Access Data and assistance Vicmap Digital data is available directly from DEPI’s network of official data service providers listed at: http://www.depi.vic.gov.au/vicmapdsp Supply and media format can be negotiated with the Data Service Provider.
Small packets of data Selected Vicmap Products can be accessed online through DEPI web located at: http://www.depi.vic.gov.au/vicmapdata
Vicmap Position – GPSnet location correction files Connect to GPSnet™ at http://gnss.vicpos.com.au
Topographic maps available online Selected Vicmap Topographic products can be accessed online through DEPI web at www.depi.vic.gov.au/vicmap. Select from the Maps section Property, Titles and Maps tab.
Topographic hard copy maps The new series of available Vicmap Topographic – Hardcopy Maps can be accessed through wholesalers or selected retailers listed on DEPI web at www.depi.vic.gov.au/vicmap. Select from the Hardcopy Maps section.
Imagery is now available Vicmap Imagery – Aerial Photography is available directly from DEPI’s suppliers listed at www.depi.vic.gov.au/vicmap Select from the Vicmap Products section.
Licensing and pricing See http://www.depi.vic.gov.au/vicmap webpage for information on pricing, licensing, restrictions, conditions, liability and constraints.
Data available under the DataVic Access Policy http://www.data.vic.gov.au/ – Victoria Only Many DEPI datasets, and most Vicmap products (covering Victoria only) are freely available through the DataVic Access Policy. See this website for details including: Timetable for release Usage and availability restrictions License restrictions and conditions Access constraints Exclusion of liability Supply and media formats Projections.
NOTE: Any Vicmap Products or datasets, not currently implemented by the Data.vic Policy, still retain the same pricing, licensing, restrictions, conditions, liability, constraints as indicated at http://www.depi.vic.gov.au/vicmap webpage.
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Metadata
Metadata entries for each product can be viewed from either Datasearch Victoria located at http://www.depi.vic.gov.au/datasearch or via the Australian Spatial Data Directory site at http://www.asdd.gov.au/net/asdd/.
Datasearch Victoria Search for a Victorian dataset by type of data required, area type, dataset name, theme, or you can view all 1,250+ datasets. This will provide access to abstract, metadata, a preview, and the provider. Further information at http://www.depi.vic.gov.au/datasearch
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Appendices
Appendix A - data model
This Vicmap Products Data Model has been developed in S-Designer Modelling tool and can be located on the Victorian Government website www.depi.vic.gov.au/vicmap Vicmap Transport Data Model, Version 3.3, August 2013. The latest data model for each product is located at www.depi.vic.gov.au/vicmap.
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Appendix B data dictionary
Overview of tables and their included fields This section sets out the layers, entities, attribute tables, and fields within these tables that comprise the Vicmap Transport product. Those tables containing information are indicated below. It should be recognised that not all fields may be populated at this time. Similarly, not all ‘types’ listed in the tables may necessarily be found in the data. The completion of any specific field varies depending on information availability and capture program. For update information access http://www.depi.vic.gov.au/vicmap . This table details the feature types, entity types and attributes applicable to each of the layers within the Transport theme. For a complete list of VMREFTAB tables utilised by Vicmap Transport see Appendix E – Reference Tables. Transport Theme Layer Entity Attribute Relationships Aggregated Geometric Type Included Entities Class Specific Feature Attributes
Airport Area Polygon Airport Airport Polygon Runway runway_number Infrastructure Area Airport Line Runway runway_number Infrastructure Point Helipad
Rail Line Railway structure_ Tramway physical_condition Tunnel road_rel Bridge track_number_of Railway Yard structure_construction_ty pe Rail Trail rail_gauge tourist_type Rail Infrastructure Point Railway Exit
Point Railway Station structure_physical_conditi on Tunnel rotation Bridge user_type
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Aggregated Geometric Type Included Entities Class Specific Feature Attributes
Road Line Road Segment road_name Ford road_type Bridge road_suffix Tunnel class_code direction_code route_no nre_route structure_height_limit restrictions road_seal structure_ physical_condition structure_ construction_type left_locality right_locality structure_name ferry_type Road Infrastructure Point related_feature_ufi rotation Ford class_code route_no nre_route Bridge class_code height_limit road_id route_no nre_route physical_condition construction_type Tunnel class_code height_limit route_no nre_route Gate structure_type Intersection Barrier Level Crossing
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LAYER TABLE STRUCTURE 1 AIRPORT AREA (POLYGON) 1.1 Summary information Description A facility, either on land or water, where aircraft can take off and land; usually consists of hard surfaced landing strips a control tower, hangars, and accommodations for passengers and cargo. Entity Airport
Included terms Aerodrome, Seadrome, Seaplane base, Landing Area, Apron, Taxiway Entity Type Spatial Feature Type airport
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1.2 Table description: TR_AIRPORT_AREA_POLYGON COLUMN NAME DATA TYPE FIELD NULL COLUMN DESCRIPTION SIZE AUTH_ORG_CODE VARCHAR2 4 Y The code of the Authoritative Organisation where the record is sourced. VMREFTAB.FT_AUTHORIT ATIVE_ORGANISATION.AU TH_ORG_CODE AUTH_ORG_ID VARCHAR2 30 Y The identifier of the Authoritative Organisation where the record is sourced. HIERARCHY VARCHAR2 1 N CASA hierarchy of Airports. VMREFTAB.TR_AIRPORT_ HIERARCHY.HIERARCHY ICAO CODE VARCHAR2 4 Y International Civil Aviation Organisation unique identifier NAME VARCHAR2 50 Y name of a feature NAMED_FEATURE_ID NUMBER (9,0 ) Y Unique identifier for feature name RUNWAY_NUMBER VARCHAR2 6 Y Number of Runways associated with the Airport FEATURE_QUALITY_ID NUMBER (9,0 ) N Identifier for the feature quality record VMREFTAB.TP_FEATURE_ QUALITY.ID CREATE_DATE_PFI DATE 7 N Date of original Creation of Feature SUPERCEDED_PFI NUMBER (9,0 ) Y PFI of feature prior to merge or split operation PFI NUMBER (9,0 ) N Persistent Feature Identifier UFI NUMBER (9,0 ) N Unique Feature Identifier FEATURE_TYPE_CODE VARCHAR2 30 N Feature Code VMREFTAB.FEATURE_TYP E_TOPO.FEATURE_TYPE_ CODE CREATE_DATE_UFI DATE 7 N Date of Creation of Feature
1.3 REFERENCE TABLES: VMREFTAB.FEATURE_TYPE_TOPO VMREFTAB.FT_AUTHORITATIVE_ORGANISATION VMREFTAB.TP_FEATURE_QUALITY VMREFTAB.TR_AIRPORT_HIERARCHY
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2 AIRPORT INFRASTRUCTURE AREA (POLYGON) 2.1 Summary information Description A straight path used for landing and take-off of aircraft. Entity Runway
Included terms Airstrip, Landing strip, Landing area Entity Type Spatial Feature Type runway
2.2 Table description: TR_AIR_INFRA_AREA_POLYGON COLUMN NAME DATA TYPE FIELD NULL COLUMN DESCRIPTION SIZE PFI NUMBER (9,0 ) N Persistent Feature Identifier UFI NUMBER (9,0 ) N Unique Feature Identifier FEATURE_TYPE_CODE VARCHAR2 30 N Feature Code VMREFTAB.FEATURE_TYPE_ TOPO.FEATURE_TYPE_CODE NAME VARCHAR2 50 Y name of a feature NAMED_FEATURE_ID NUMBER (9,0 ) Y Unique identifier for feature name RUNWAY_NUMBER VARCHAR2 6 Y Number of Runways associated with the Airport FEATURE_QUALITY_ID NUMBER (9,0 ) N Identifier for the feature quality record CREATE_DATE_PFI DATE 7 N Date of original Creation of Feature SUPERCEDED_PFI NUMBER (9,0 ) Y PFI of feature prior to merge or split operation CREATE_DATE_UFI DATE 7 N Date of Creation of Feature
2.3 REFERENCE TABLES: VMREFTAB.FEATURE_TYPE_TOPO
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3 AIRPORT INFRASTRUCTURE (LINE) 3.1 Summary information Description A straight path used for landing and take-off of aircraft. Entity Runway
Included terms Airstrip, Landing strip, Landing area Entity Type Spatial Feature Type runway
3.2 Table description: TR_AIRPORT_INFRASTRUCTURE COLUMN NAME DATA TYPE FIELD NULL COLUMN DESCRIPTION SIZE PFI NUMBER (9,0 ) N Persistent Feature Identifier UFI NUMBER (9,0 ) N Unique Feature Identifier FEATURE_TYPE_CODE VARCHAR2 30 N Feature Code VMREFTAB.FEATURE_TYP E_TOPO.FEATURE_TYPE_ CODE NAME VARCHAR2 50 Y name of a feature NAMED_FEATURE_ID NUMBER (9,0 ) Y Unique identifier for feature name RUNWAY_NUMBER VARCHAR2 6 Y Number of Runways associated with the Airport FEATURE_QUALITY_ID NUMBER (9,0 ) N Identifier for the feature quality record CREATE_DATE_PFI DATE 7 N Date of original Creation of Feature SUPERCEDED_PFI NUMBER (9,0 ) Y PFI of feature prior to merge or split operation CREATE_DATE_UFI DATE 7 N Date of Creation of Feature
3.3 REFERENCE TABLES: VMREFTAB.FEATURE_TYPE_TOPO
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4 AIRPORT INFRASTRUCTURE (POINT) 4.1 Summary information Description An area set aside or designated for the landing of helicopters Entity Helipad
Included terms Helicopter landing pad, helipad, heliport Entity Type Spatial Feature Type helipad
4.2 Table description: TR_AIR_INFRA_POINT COLUMN NAME DATA TYPE FIELD NULL COLUMN DESCRIPTION SIZE PFI NUMBER (9,0 ) N Persistent Feature Identifier UFI NUMBER (9,0 ) N Unique Feature Identifier FEATURE_TYPE_CODE VARCHAR2 30 N Feature Code VMREFTAB.FEATURE_TYP E_TOPO.FEATURE_TYPE_ CODE NAME VARCHAR2 50 Y name of a feature NAMED_FEATURE_ID NUMBER (9,0 ) Y Unique identifier for feature name RUNWAY_NUMBER VARCHAR2 6 Y Number of Runways associated with the Airport FEATURE_QUALITY_ID NUMBER (9,0 ) N Identifier for the feature quality record CREATE_DATE_PFI DATE 7 N Date of original Creation of Feature SUPERCEDED_PFI NUMBER (9,0 ) Y PFI of feature prior to merge or split operation CREATE_DATE_UFI DATE 7 N Date of Creation of Feature
4.3 REFERENCE TABLES: VMREFTAB.FEATURE_TYPE_TOPO
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5 FERRY ROUTES (LINE) This table will be retired from Vicmap Transport from November 2013 as ferry_rotes have been incorporated into Tr_Road in June 2013. Refer to Vicmap Change #169.
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6 RAIL (LINE) 6.1 Summary information Description A permanent way having one or more rails which provide a track for trains. Entity Railway
Included terms Abandoned railway, Disused railway, Double track railway, Light rail, Monorail, Siding, Single track railway, Spur line, Underground railway Entity Type Spatial Feature Type rail_disused, rail_light, rail_siding, rail_uground_o, railway
Description A permanent way having one or more rails which provide a track for trams. Entity Tramway
Included terms Tramway Entity Type Spatial Feature Type tramway
Description An underground or underwater passage. Entity Tunnel
Included terms Cattle underpass, Pedestrian underpass, Subway, Underground railway tunnel, Underpass Entity Type Spatial Feature Type tunnel_rail_o
Description An area of land with one or more sidings or spur lines to allow trains to be parked, serviced, assembled or unloaded Entity Railway yard
Included terms Railroad yard, Marshalling yard Entity Type Spatial Feature Type
Description A permanent way having previously been used for railway track for trains or trams and now used for walking, riding. Entity Rail trail
Included terms Rail trail Entity Type Spatial Feature Type rail_trail
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A structure that facilitates the crossing of a road, railway or watercourse Description over another feature Entity Bridge
Included terms Operational railway bridge, Disused railway bridge, Dismantled railway bridge Entity Type Spatial Feature Type bridge_rail_o, bridge_rail_du, bridge_rail_dm
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6.2 Table description: TR_RAIL COLUMN NAME DATA TYPE FIELD NULL COLUMN DESCRIPTION SIZE PFI NUMBER (9,0 ) N Persistent Feature Identifier UFI NUMBER (9,0 ) N Unique Feature Identifier FEATURE_TYPE_C VARCHAR2 30 N Feature Code ODE VMREFTAB.FEATURE_TYPE_TOPO.F EATURE_TYPE_CODE NAME VARCHAR2 50 Y name of a feature NAMED_FEATURE_ NUMBER (9,0 ) Y Unique identifier for feature name ID PHYSICAL_CONDIT VARCHAR2 1 Y Condition of Rail Infrastructure ION VMREFTAB.TR_RAIL_PHYSICAL_CO NDITION.PHYSICAL_CONDITION_CO DE ROAD_REL VARCHAR2 1 Y Code to indicate relationship of Rail to roads [on road / off road or underground] VMREFTAB.TR_RAIL_ROAD_RELATI ONSHIP.ROAD_RELATIONSHIP_COD E TRACKS_NUMBER_ VARCHAR2 1 Y number of tracks OF STRUCTURE_TYPE VARCHAR2 1 Y Type of Railway VMREFTAB.TR_RAIL_STRUCTURE_T YPE.STRUCTURE_TYPE_CODE RAIL_GAUGE VARCHAR2 1 Y Rail track gauge VMREFTAB.TR_RAIL_GAUGE.RAIL_G AUGE_CODE TOURIST_TYPE VARCHAR2 1 Y Flag to indicate tourist railway VMREFTAB.TR_RAIL_TOURIST_TYPE .TOURIST_TYPE_CODE FROM_UFI NUMBER (9,0 ) Y UFI of Node Feature from which Rail Segment starts TO_UFI NUMBER (9,0 ) Y UFI of Node to which the segment is going FEATURE_QUALITY NUMBER (9,0 ) N Identifier for the feature quality record _ID VMREFTAB.TP_FEATURE_QUALITY.I D CREATE_DATE_PFI DATE 7 N Date of original Creation of Feature SUPERCEDED_PFI NUMBER (9,0 ) Y PFI of feature prior to merge or split operation CREATE_DATE_UFI DATE 7 N Date of Creation of Feature
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6.3 REFERENCE TABLES: VMREFTAB.FEATURE_TYPE_TOPO VMREFTAB.TP_FEATURE_QUALITY VMEREFTAB.TR_RAIL_PHYSICAL_CONDITION VMEREFTAB.TR_RAIL_ROAD_RELATIONSHIP (Rail-Road Relationship) VMREFTAB.TR_RAIL_GAUGE VMREFTAB.TR_RAIL_STRUCTURE_TYPE VMREFTAB.TR_RAIL_TOURIST_TYPE
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7 RAIL INFRASTRUCTURE (POINT) 7.1 Summary information Description A point on a railway designated as a stopping place to set down or pick up passengers or freight. Entity Railway Station
Included terms Train stop, Light rail stop Entity Type Spatial Feature Type rail_station
Description Emergency exit from underground railway Entity Railway Exit
Included terms Entity Type Spatial Feature Type
A structure that facilitates the crossing of a road, railway or watercourse Description over another feature Entity Bridge
Included terms Operational railway bridge, Disused railway bridge, Dismantled railway bridge Entity Type Spatial Feature Type bridge_rail_o, bridge_rail_du, bridge_rail_dm
Description An underground or underwater passage. Entity Tunnel
Included terms Cattle underpass, Pedestrian underpass, Subway, Underground railway tunnel, Underpass Entity Type Spatial Feature Type tunnel_rail_o, tunnel_rail_dm
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7.2 Table description: TR_RAIL_INFRASTRUCTURE COLUMN NAME DATA TYPE FIELD NULL COLUMN DESCRIPTION SIZE PFI NUMBER (9,0 ) N Persistent Feature Identifier UFI NUMBER (9,0 ) N Unique Feature Identifier FEATURE_TYPE_C VARCHAR2 30 N Feature Code ODE VMREFTAB. FEATURE_TYPE_TOPO.FEATURE_TY PE_CODE NAME VARCHAR2 50 Y name of a feature NAMED_FEATURE_ NUMBER (9,0 ) Y Unique identifier for feature name ID PHYSICAL_CONDIT VARCHAR2 1 Y Condition of Rail Infrastructure ION VMREFTAB.TR_RAIL_PHYSICAL_CO NDITION.PHYSICAL_CONDITION_CO DE ROAD_REL VARCHAR2 1 N Code to indicate relationship of Rail to roads [on road / off road or underground] VMREFTAB.TR_RAIL_ROAD_RELATI ONSHIP.NONE USER_TYPE VARCHAR2 1 Y Type of Rail Station VMREFTAB. TR_RAIL_STATION_STRUCTURE_TY PE.STRUCTURE_TYPE_CODE ROTATION NUMBER (6,2 ) N Rotation angle [in degrees] of symbol for cartographic placement FEATURE_QUALITY NUMBER (9,0 ) N Identifier for the feature quality record _ID CREATE_DATE_PFI DATE 7 N Date of original Creation of Feature SUPERCEDED_PFI NUMBER (9,0 ) Y PFI of feature prior to merge or split operation CREATE_DATE_UFI DATE 7 N Date of Creation of Feature
7.3 REFERENCE TABLES: VMREFTAB.FEATURE_TYPE_TOPO VMREFTAB.TR_RAIL_STATION_STRUCTURE_TYPE VMREFTAB.TR_RAIL_ROAD_RELATIONSHIP (Rail-Road Relationship) VMEREFTAB.TR_RAIL_PHYSICAL_CONDITION
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8 ROAD (LINE) 8.1 Summary information Description An open way for the passage of vehicles, persons or animals on land. Entity Road Included terms Access road, Alley, Boardwalk, Boulevard, Cart track, Causeway, Cul de sac, Cycle path, Divided highway, Driveway, Elevated highway, Express way, Farm track (N), Ferry Route, Fire line, Fire track, Foot track, Footpath, Freeway, Highway, Horse trail, Maintenance track, Path, Pedestrian mall, Private road, ramp, Road on causeway, Service road, Ramp, Slipway, Bicycle Track, Shared Pathway Entity Type Spatial Feature Type Connector, ferry_route, road, roundabout
Description An underground or underwater passage. Entity Tunnel
Included terms Cattle underpass, Pedestrian underpass, Subway, Underground railway tunnel, Underpass Entity Type Spatial Feature Type tunnel
Description A shallow or flat portion of the bed of a watercourse where a crossing may be effected. Entity Ford
Included terms Entity Type Spatial Feature Type ford
Description A structure erected over a depression or obstacle to carry traffic or some facility such as a pipeline. Entity Bridge
Included terms Bicycle bridge, Covered bridge, Draw bridge, Foot bridge, Lift bridge, Overpass, Pontoon bridge, Suspension bridge, Swing bridge, Viaduct Entity Type Spatial Feature Type Bridge, foot_bridge
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8.2 Table description: TR_ROAD COLUMN NAME DATA FIELD NULL COLUMN DESCRIPTION TYPE SIZE PFI NUMBER (9,0 ) N Persistent Feature Identifier UFI NUMBER (9,0 ) N Unique Feature Identifier FEATURE_TYPE_CODE VARCHAR 30 Y Feature Code 2 VMREFTAB.FEATURE_TYPE_TOPO. FEATURE_TYPE NAMED_FEATURE_ID NUMBER (9,0 ) Y Unique identifier for feature name N EZI ROAD NAME VARCHAR 65 Combination of ROAD_NAME, 2 ROAD_TYPE & ROAD_SUFFIX EZI ROAD NAME LABEL VARCHAR 65 N Combination of ROAD_NAME, 2 ROAD_TYPE_ ABBREVIATIONS & ROAD_SUFFIX (where appropriate) in title case ROAD_NAME VARCHAR 45 N Road name (Primary) 2 ROAD_TYPE VARCHAR 15 Y Road name type (Primary) 2 VMREFTAB.ROAD_TYPE.ROAD_TYP E ROAD_SUFFIX VARCHAR 2 Y Road Name Suffix (Primary) 2 VMREFTAB.ROAD_SUFFIX.ROAD_SU FFIX ROAD_NAME_1 VARCHAR 45 Y Road name (Alternate or Secondary) 2 ROAD_TYPE_1 VARCHAR 15 Y Road name type (Alternate or 2 Secondary) VMREFTAB.ROAD_TYPE.ROAD_TYP E ROAD_SUFFIX_1 VARCHAR 2 Y Road Name Suffix (Alternate or 2 Secondary) VMREFTAB.ROAD_SUFFIX.ROAD_SU FFIX ROAD_NAME_2 VARCHAR 45 Y Road name (Tertiary) 2 ROAD_TYPE_2 VARCHAR 15 Y Road name type (Tertiary) 2 VMREFTAB.ROAD_TYPE.ROAD_TYP E ROAD_SUFFIX_2 VARCHAR 2 Y Road Name Suffix (Tertiary) 2 VMREFTAB.ROAD_SUFFIX.ROAD_SU FFIX ………………………….. ……………. ………. ……… ………………………………… . ROAD_NAME_x VARCHAR 45 Y Road name (x) 2
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COLUMN NAME DATA FIELD NULL COLUMN DESCRIPTION TYPE SIZE ROAD_TYPE_x VARCHAR 15 Y Road name type (x) 2 VMREFTAB.ROAD_TYPE.ROAD_TYP E ROAD_SUFFIX_x VARCHAR 2 Y Road Name Suffix (x) 2 VMREFTAB.ROAD_SUFFIX.ROAD_SU FFIX LEFT_LOCALITY VARCHAR 40 Y Left of road locality name 2 VMREFTAB.LOCALITY.LOCALITY_UNI QUE RIGHT_LOCALITY VARCHAR 40 Y Right of road locality name 2 CLASS_CODE NUMBER (2,0 ) N Code to indicate Road Classification VMREFTAB.TR_ROAD_CLASS.ROAD _CLASS_CODE DIRECTION_CODE VARCHAR 1 Y Direction Code to indicate possible 2 traffic direction VMREFTAB.TR_ROAD_DIRECTION. DIRECTION_CODE ROUTE_NO VARCHAR 5 Y VicRoads Route Number 2 STRUCTURE_NAME VARCHAR 45 y Name of Structure 2 STRUCTURE NUMBER (3,1 ) N Height limit applicable to road section _HEIGHT_LIMIT RESTRICTIONS CHAR 1 Y Code to indicate any restrictions that apply to the road section VMREFTAB.TR_ROAD_RESTRICTION .ROAD_RESTRICTION_CODE PHYSICAL_CONDITION VARCHAR 1 Y Code to indicate the physical condition 2 of a bridge VMREFTAB.TR_BRIDGE_PHYSICAL_ CONDITION. PHYSICAL_CONDITION_CODE CONSTRUCTION_TYPE VARCHAR 2 Y Code to indicate construction type of 2 bridges VMREFTAB.TR_BRIDGE_CONSTRUC TION_TYPE.CONSTRUCTION_TYPE_ CODE ROAD_SEAL VARCHAR 1 Y Code to indicate the Road surface type 2 VMREFTAB.TR_ROAD_SEAL.ROAD_S EAL_CODE DIV_RD VARCHAR Code to indicate if the Road is divided 2 VMREFTAB.TR_DIVIDED_ROAD.DIV_ RD_CODE
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COLUMN NAME DATA FIELD NULL COLUMN DESCRIPTION TYPE SIZE NRE_ROUTE VARCHAR 5 Y Department of Natural Resources and 2 Environment Route Number FROM_UFI NUMBER 9,0 ) Y UFI of Node Feature from which Road Segment starts TO_UFI NUMBER (9,0 ) Y UFI of Node to which the segment is going FEATURE_QUALITY_ID NUMBER (9,0 ) N Identifier for the feature quality record VMREFTAB.TP_FEATURE_QUALITY.I D CREATE_DATE_PFI DATE 7 N Date of original Creation of Feature SUPERCEDED_PFI NUMBER (9,0 ) Y PFI of feature prior to merge or split operation CREATE_DATE_UFI DATE 7 N Date of Creation of Feature
8.3 REFERENCE TABLES: VMREFTAB.FEATURE_TYPE_TOPO VMREFTAB.LOCALITY VMREFTAB.TP_FEATURE_QUALITY VMREFTAB.TR_BRIDGE_CONSTRUCTION_TYPE (Construction relating to bridges) VMREFTAB.TR_BRIDGE_PHYSICAL_CONDITION (Condition relating to bridges) VMREFTAB.TR_DIVIDED_ROAD VMREFTAB.TR_ROAD_CLASS VMREFTAB.TR_ROAD_DIRECTION VMREFTAB.TR_ROAD_RESTRICTION (Road usage restriction description) VMREFTAB.ROAD_SUFFIX VMREFTAB.TR_ROAD_SEAL VMREFTAB.ROAD_TYPE
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Road Class Code Definitions
Class Code Class Definition 0 Freeway Hard surface formation, high volume, high speed roads declared as “Freeway”; comprising dual carriageway and full access control and grade separated intersections; i.e. no direct access from adjoining properties or side roads and all crossings are by means of overpass or underpass bridges with traffic entering or leaving carriageways by means of ramps. Single carriageway sections forming part of declared freeways may be included within this category. 1 Highway Hard surface roads which: Are of importance in a national sense, and/or Are of a major interstate through route, and/or Are principal connector roads between capitals and/or major regions and/or key towns. 2 Arterial Well maintained and widely used hard surface formation roads which are major connectors between: Freeways and/or National Highways, and/or Major centres, and/or key towns, or Have major tourist importance or Which main function is to form the principle avenue of communication for metropolitan traffic movements, not catered for by freeways. 3 Sub-Arterial Hard surface formation road, which acts as: A connector between highways and/or arterial roads, or An alternate route for class 2 roads, or A principal avenue for massive traffic movements. 4 Collector Road Hard surface or improved, loose surface formation road acting to: Provide for traffic movement (connects class 3 to class 5), or To distribute traffic to local street systems. 5 Local Road Hard surface or improved, loose- surface formation road providing property access. 6 Track 2-Wheel Unimproved roads which are generally only passable in two wheel Drive drive vehicles during fair weather and are used predominately by local traffic. Also included are driveways regardless of construction. 7 Track 4-Wheel Unimproved roads which are generally only passable with four wheel Drive drive vehicles. 9 Proposed Road centreline alignments have been received from plans of subdivision or VicRoads and are yet to be constructed or construction is not complete. 11 Walking Track A pathway designed for traffic on foot. 12 Bicycle Path A pathway allowing bicycle traffic in the main. This is not a shared road way with vehicular traffic. 14 Ferry Route A route across a river or lake used by a vessel for the regular transport of vehicles or passengers from one terminal point to another.
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9 ROAD INFRASTRUCTURE (POINT) 9.1 Summary information Description A structure erected over a depression or obstacle to carry traffic or some facility such as a pipeline. Entity Bridge
Included terms Bicycle bridge, Covered bridge, Draw bridge, Foot bridge, Lift bridge, Overpass, Pontoon bridge, Suspension bridge, Swing bridge, Viaduct Entity Type Spatial Feature Type bridge
Description An underground or underwater passage. Entity Tunnel
Included terms Cattle underpass, Pedestrian underpass, Subway, Underground railway tunnel, Underpass Entity Type Spatial Point Feature Type tunnel
Description A structure to prevent entrance or passageway. Entity Gate
Included terms Boom gate, Bush gate, Cattle grid (N),Crossing gate, Gate (N),Slip rails, Toll barrier (N),Turnstile Entity Type Spatial Point feature type Barrier, gate
Description A shallow or flat portion of the bed of a watercourse where a crossing may be effected. Entity Ford
Included terms Entity Type Spatial Feature Type ford
Description road segment endpoint not at an intersection Entity Road end
Included terms Entity Type Spatial Point Feature Type road_end
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Description The junction of roads or tracks. Entity Intersection
Included terms Clover leaf interchange, Crossing, Diamond intersection, Grade crossing, Interchange, Level crossing, Pedestrian crossing, Railroad crossing, Traffic circle, Roundabout, signalized and non-signalised intersection, intersection with coast, drainage or administration boundaries Entity Type Spatial Point Feature Type int_attribute, int_coast, int_locality, int_nosignal, int_paper, int_signal, level_crossing, roundabout
Description Pseudo node delineating differences in line attributes i.e. Feature type change road to bridge. Entity Road node
Included terms Int_attrubute Entity Type Spatial Point Feature Type
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9.2 Table description: TR_ROAD_INFRASTRUCTURE COLUMN NAME DATA TYPE FIELD SIZE NULL COLUMN DESCRIPTION PFI NUMBER (9,0 ) N Persistent Feature Identifier UFI NUMBER (9,0 ) N Unique Feature Identifier FEATURE_TYPE_CODE VARCHAR2 30 N Feature Code VMREFTAB. FEATURE_TYPE_TOPO. FEATURE_TYPE NAME VARCHAR2 50 Y name of a feature NAMED_FEATURE_ID NUMBER (9,0 ) Y Unique identifier for feature name HEIGHT_LIMIT NUMBER (3,1 ) N Height limit applicable to road point feature PHYSICAL_CONDITION VARCHAR2 1 Y Code to indicate the physical condition of a bridge VMREFTAB.TR_BRIDGE_PHYSIC AL_CONDITION. PHYSICAL_CONDITION_CODE ROTATION NUMBER (6,2 ) Y Rotation angle [in degrees] of symbol for cartographic placement STRUCTURE_TYPE VARCHAR2 1 Y Code to indicate type of barrier VMREFTAB.TR_ROAD_STRUCTU RE_TYPE.STRUCTURE_TYPE_C ODE FEATURE_QUALITY_ID NUMBER (9,0 ) N Identifier for the feature quality record VMREFTAB.TP_FEATURE_QUALI TY.ID CREATE_DATE_PFI DATE 7 N Date of original Creation of Feature SUPERCEDED_PFI NUMBER (9,0 ) Y PFI of feature prior to merge or split operation CREATE_DATE_UFI DATE 7 N Date of Creation of Feature
9.3 REFERENCE TABLES: VMREFTAB.FEATURE_TYPE_TOPO VMREFTAB.TP_FEATURE_QUALITY VMREFTAB.TR_BRIDGE_PHYSICAL_CONDITION VMREFTAB.TR_ROAD_STRUCTURE_TYPE
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Appendix C - data schema
Data Structure Vicmap Transport uses a feature-based data model described by the following definitions: Entity: A real world phenomenon not divided into phenomena of the same kind, e.g. bridge. Feature instance: An abstraction of an entity. The description of a feature instance encompasses only selected properties of that entity. Feature instances can also be referred to as features. The feature structure of the feature based data model can be summarised as feature instance = [spatial object + attribute object] e.g. ROAD = [ Line + Class: Freeway ] Attribute: An attribute is a particular property of an entity. Attributes can be spatial (or locational) and aspatial (or non-locational). Attribute value: The value assigned to an attribute for a specific feature instance. Attributes can be spatial (locational) and aspatial (non-locational) e.g. Feature-type_code (ford, road, bridge), UFI, create_date, retire-date, feature_quality_id, construction. Feature class: A group of feature instances defined by a set of rules and having common attributes and relationships that are the properties of the corresponding real world phenomena. Within the Oracle tables that comprise Vicmap Transport, classes may refer to “link” tables, which establish direct relationships between the point and/or line and/or polygon structures that may be used as spatial objects e.g. Rail. Each feature instance reflects only selected properties of an entity type. The object types below are the primitive components of data contained in Vicmap Transport. These data objects are grouped together to form a hierarchy i.e. theme, layer, included entity and attributes, which is used for the capture and transfer of data. The data is topologically structured (spatially related to adjoining objects) and classified into a variety of categories of additional information about the feature as represented by attributes, which are held in attribute tables. Attributes will only reflect selected characteristics of their feature. For example, the name of a railway line (line) is recorded in the name attribute. Polygons are used to represent formally bounded area features, e.g. an airport area (Landing ground). Lines or Chains are used to represent the boundaries defining such area features. They also provide the graphical definition of linear features such as roads, bridges, railways and connectors. Points are used to locate symbols, e.g. bridge, barrier, gate, intersections, and as paracentroids within polygons, holding information about the polygon. They also define the extent of all lines.
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The feature structure of the feature-based data model can be summarised as: Feature instance = [spatial object + attribute object] Where: Spatial Object: It is the addition of all the locational attributes of the feature instance and may comprise geometrical objects such as points, lines and polygons. Spatial objects carry a spatial address that consists of one or more couplets (x, y) or triplets (x, y, z) of coordinates. In the feature based data model topological relationships will be carried as part of the spatial object whenever the transfer formats support them.
POINT Geometric representation defined by a single 'x, y' coordinate couplet or an 'x, y, z' triplet. Two special points are used in the data model.
Entity Point – used to locate point features or area features represented by a point.
Node - A point that is a junction of two or more chains or an end point of a chain. Nodes may carry attribute information.
Note: For supply purposes, some node features may be extracted and supplied as point features.
LINE or CHAIN A line composed of a sequence of non-intersecting line segments bounded by nodes (not necessarily
distinct) at each end.
Chains will reference their start and end nodes. Assigned attributes (including PFI and UFI) will relate to the entire chain (i.e. between nodes) When a chain is defining a polygon boundary it will reference the polygons to the left and right of the chain with respect to the direction of digitisation. POLYGON A bounded, continuous region consisting of an interior area, an outer boundary defined by a set of chains, and zero or more, non-nested inner boundaries also defined by sets of chains, and a paracentroid that holds information about the polygon. Within a layer the polygons are mutually exclusive and are generally digitised in a clockwise direction.
Attribute Object: The addition of the non-locational information about a feature instance. These data identify the feature class and the aspatial attributes of a specific instance of the feature type. The attribute object is composed of one or more attributes.
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Spatial Object Attribute Object Attribute Attribute Value
Example 1 Line (x1, y1…. xn, yn) Feature_type_code: Road
Road_name: Calder Road_type: Highway Class_code: 1 (Highway) Road_seal: Sealed Direction_code: B (both ways) Route_No: A79 (Vicroads system) Restrictions: Physical_condition: Operational Construction_type:
Example 2 Polygon Feature_type_code: Airport Name: Sale Aerodrome Runway_number:
The spatial object and attribute object as defined above are the primitive components of data contained in Vicmap Transport. These data objects are grouped together to form a hierarchy, which is used for the capture and transfer of the data. All Vicmap Transport data share a number of common characteristics, which are set out below.
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Appendix D – feature attribute rules
Assignment of road names Road names in Vicmap Transport are assigned according to the following rules: Local Government Authority assigned road names are assigned as the primary Vicmap Transport road name. The extent of a road is indicated by formally assigned street addresses.
Where a council has formally defined the name and extent of a road section (such as may be found on a council issued/endorsed lodged plan or council listing of roads for the respective LGA), that road name is used as the primary Vicmap Transport road name. Where no council endorsed name appears evident, a road name may be adopted as a primary road name in Vicmap Transport if evidence appears to support its common use. For example, roads in national parks and on crown land or a Vicroads “from-to” name or any other Vicroads assigned name. Sources may include the Vicroads Country Street Directory, local maps or directories or CFA Regional map books. Other names found for the same road or section of road are recorded as alias/secondary names.
A council may assign a local name to a segment of a major through road (e.g. Black Stump-Woop Woop Road) and refer to it as such on its official maps, plans and road records (e.g. Main Street). Council may later assign addresses to this same segment of road and use the through road name (not the local name) for the address assignments – particularly in cases of rural addressing. In such cases, the primary road name will be that of the street addressing, i.e. the through road name (Black Stump- Woop Woop Road) and the alias will be the local road name (Main Street).
Where a “from-to” name is used for a major road controlled by Vicroads, the order of names (towns/localities) will be that given in the most current Vicroads Country Street Directory. Where evidence suggests that the reverse order is also frequently used (e.g. CFA regional map books, etc.), it shall be included as an alias/secondary name.
The determination that council names take priority over other naming authorities such as Vicroads and Department of Sustainability and Environment is based on the power to name roads given to Local Government under the Local Government Act 1989 and the principles espoused in the leaflet “A Guide to Road Naming in Victoria published by the Registrar of Geographic Names (Victoria) 2002
Road name content Road name content will be determined according to the following rules: The only characters permitted are; A..Z, 0..9, - , (space). Apostrophes, commas, and periods are removed, e.g. Ross', Ross's will be coded as ROSS, O'Brien's as OBRIENS, A’Beckett as ABECKETT. All names are in UPPER CASE, e.g. McClure will be coded as MCCLURE. No characters are permitted in superscript or subscript, e.g. McDuff is coded as MCDUFF. No spaces are allowed to be embedded within words, single spaces only are allowed between words and no spaces are allowed to surround hyphens, e.g. GEMBROOK-LAUNCHING PLACE ROAD. Origin–Destination roads names as primary road names reflect addressing road name within Vicmap Address. The reverse origin-destination road name is added as an alias road name. Initials are separated by a single space, e.g. A.I.F. Street becomes A I F STREET and A. H. CAPP SCENIC DRIVE becomes A H CAPP SCENIC DRIVE. Road type is spelt in full. (Primary) Road names are recorded as actually used. Numbers are not converted into words unless they are used that way (see note below where aliases are created for ease of use).
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Road name prefixes Saint and Mount are to be abbreviated to ST and MT respectively where in common use, e.g. ST KILDA ROAD, MT DANDENONG ROAD. Other cases of possible but, uncommonly used abbreviation, including POINT (PT), will continue to be coded in full, e.g. MOUNT VUE ROAD, MOUNT VIEW COURT, VIEW POINT AVENUE, VIEW MOUNT ROAD, MOUNTAIN VIEW ROAD, LONG POINT ROAD, POINT COOK ROAD, POINT ORMOND AVENUE. Only where limitations in field size make it necessary, will truncation of road name or road type be accepted. Such abbreviations are to be at the right-hand end and should comply with the provisions of Australian Standard AS4590. The road name field is to be non-null. Where the name of a road is not known or the road is unnamed, the name 'UNNAMED' is to be used. Road type and suffix fields may, or may not be, null. Bridge and tunnel features inherit the road description of the linked road they service. Rights of Way, where included, are to have the road name 'R O W Y'. Road type suffixes are to be abbreviated to one or two characters as per the following;
N ….. North CN ….. Central S ….. South U ….. Upper E ….. East L ….. Lower W ….. West EX ….. Extension NE ….. North East ML ….. Mall NW ….. North West ON ….. On (ramp) SE ….. South East OF ….. Off (ramp) SW ….. South West Road suffixes are to be recorded in the Road-Suffix field, e.g. Vincent Street North would have N in the road suffix field. Where no suffix exists, this field is to be ‘null’. Note that a suffix is not a directional or similar element derived from a locality name. Directions or similar devices occurring in a locality name that has subsequently been used in a road name, will remain unchanged in the road name field. For example, Wandin East Road is recorded as road- name - WANDIN EAST, road-type - ROAD, suffix - “”. Validation files of currently-accepted road types and road suffixes are held by and are available from Spatial Information Infrastructure. Any types or suffixes found not to conform to these lists should be brought to the attention of Spatial Information Infrastructure, for validation and incorporation into such validation files. Where two road types exist in a road description, the first is included in the Road Name field and the second in the Road Type field. For example, High Street Road will contain HIGH STREET in the Road Name field and ROAD in the Road Type field. For the purposes of this definition, 'Mall' is considered to be a Road Type suffix. For example, 'Bourke Street Mall' will have 'Bourke' in the Road Name field, STREET in the Road Type field, and 'ML' in the Road Suffix field. Where the first word of a road description is 'The', the subsequent word is included in the road name. If the Road Type is not used then any suffix is recorded wholly within the Road Name field. For example, 'The Pass' contains 'THE PASS' in the Road Name field and the Road Type and Road Suffix fields are null. `The Parade West' contains 'THE PARADE WEST' in the Road Name field and Road Type and Road Suffix fields are null. Roads having two or more names have their more usual description as the primary road description. The second or next most popular name, should there be more than two, form Alias Road Name descriptions.
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Connecting ramps linking roads, freeways, highways and major arterial roads are named according to the Spatial Information Infrastructure convention for the unique naming of ramps. All Road Attribute fields, (excepting feature codes), are upper case only.
Maintenance of road names with inclusive numeric characters A number of road names include numeric characters. Many are fire or access tracks and are unlikely to have property addresses assigned to them. However, some are urban roads and do have associated addresses. It is known that some computer systems have difficulty in deciphering a house number from a road name with an embedded number. For example, “10 MILE ROAD” could be interpreted both as house number 10 located in Mile Road or as no house number and road name Ten Mile Road. In some cases, a number has a distinct association with an existing feature. For example, 3CV LANE is named after the radio station at the end of the lane. Spelled out as THREE CV LANE it would lose that link. Similarly, HARPERS NUMBER ONE NORTH TRACK is long winded. It is unlikely to be signposted in full or shown on maps or in directories as such. Road names are recorded as advised by the overarching responsible authority. All such authorities were informed of the Australian addressing standard; AS/NZS4819 Rural and urban addressing, and in particular the associated guidelines that recommend that “numbers included as all or part of a road name should be written in full” (exceptions include the case of 3CV Land cited above). Where the use a numeric is still to be the authoritative form of the road name, then an alias road name is created with the number spelled out in full. e.g. BSEVENTY ONE ROAD. No spaces are inserted between an alpha prefix, a number and/or an alpha suffix. E.g. 4W FIRETRAIL. If an abbreviation for the word “number” is used then no space is inserted after the abbreviation. E.g. NO6 TRACK. Similarly, abbreviations for second, third, fourth or other like numbers will have no space inserted. E.g. 5TH AVENUE. Where spelled out in full, formats will be as follows : D3 TRACK: …. road_name = DTHREE road_type = TRACK 10 MILE ROAD …. road_name = TEN MILE road_type = ROAD 3RD AVENUE: …. road_name = THIRD road_type = AVENUE NO5 FIRETRAIL …. road_name = NUMBER FIVE road_type = FIRETRAIL 3CV LANE …. road_name = THREE CV road_type = LANE In the case of conflicting names for a road feature or for features matching across different source map boundaries, the incompatibility should have been resolved and the features uniquely named.
Alias ‘Numeric’ Road names All road names with inclusive numerics have an associated alias with the number spelt out in full to assist in easy road identification.
Alias ‘From – To’ Roads In the case of ‘From – To’ road names, alias names with the ‘From – To’ road name reversed have been created to assist in easy road identification. e.g. ROAD NAME = MELTON HIGHWAY ALIAS NAME = KEILOR-MELTON ROAD ALIAS NAME = MELTON-KEILOR ROAD
ROAD NAME = GISBORNE-MELTON ROAD ALIAS NAME = MELTON-GISBORNE ROAD
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Height_limit Where vehicular height restrictions of below seven metres apply along road segments, at bridges or at tunnels, the height limit, in metres to one decimal place, is recorded.
Direction_code Direction of traffic flow is indicated, related to the vector depicting the road segment: ONE WAY TRAFFIC - F .... forward R .... reverse TWO WAY TRAFFIC - B .... both As a general rule, vectors are flipped to tag one way traffic as having a direction of Forward.
Class_code A road classification code has been applied to indicate function and condition of each road. For details refer Appendix A
Road_seal An attribute indicating whether the road surface is fully sealed (asphalt, concrete, etc.) or unsealed is included. For details refer Appendix A
Route_ no The route number assigned by VicRoads under their system indicating road condition and suitability is included. E.g. C146. For details refer Appendix A
Divided Road Column is DIV_RD
DD Divided Double Line (one line per carriageway) representation DS Divided Single Centreline Representation ND Not Divided U Unknown
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Node types The following road node types may be found in the data : administrative at the intersection of roads and administration boundaries (e.g. LGA, locality, etc.) Attribute where a change of road attribute/s occur (e.g. source scale, name, class) Barrier at the location of permanent traffic barriers connector as an artificial device to indicate roads connect within a given distance drainage road/stream intersection where crossing type is unknown (e.g. Bridge, culvert?) edge at the edge limit of the data or tile to indicate that the road does physically continue beyond this point ford where the average vehicle can cross an intersecting stream under normal conditions gate where a gate limits passage signalised intersection where electronically controlled traffic lights control an intersection non-signalised intersection at road intersections not controlled by traffic lights level crossing where roads intersect with rail/tramway lines in current use road bridge at points where the road is carried by a structure across some other physical feature road end where a road is discontinued, other than the edge of the data or at a barrier or gate road tunnel at points where a road is continued via an underground or under water passage roundabout at intersections characterised by a central median feature and circular road arrangement
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Appendix E - reference tables
Vicmap Transport should be used in conjunction with the following reference tables to fully utilise the information it contains. These reference tables are available in the Vicmap Reftab product and are listed below: VMREFTAB.FEATURE_TYPE_TOPO VMREFTAB.FT_AUTHORITATIVE_ORGANISATION VMREFTAB.LOCALITY VMREFTAB.ROAD_SUFFIX VMREFTAB.ROAD_TYPE VMREFTAB.TP_FEATURE_QUALITY VMREFTAB.TR_AIRPORT_HIERACHY VMREFTAB.TR_BRIDGE_CONSTRUCTION_TYPE VMREFTAB.TR_BRIDGE_PHYSICAL_CONDITION VMREFTAB.TR_DIVIDED_ROAD VMREFTAB.TR_RAIL_GAUGE VMREFTAB.TR_RAIL_PHYSICAL_CONDITION VMREFTAB.TR_RAIL_ROAD_RELATIONSHIP VMREFTAB.TR_RAIL_STATION_STRUCTURE_TYPE VMREFTAB.TR_RAIL_ STRUCTURE_TYPE VMREFTAB.TR_RAIL_TOURIST_TYPE VMREFTAB.TR_ROAD_CLASS VMREFTAB.TR_ROAD_DIRECTION VMREFTAB.TR_ROAD_RESTRICTION VMREFTAB.TR_ROAD_SEAL VMREFTAB.TR_ROAD_STRUCTURE_TYPE
For full details of the reference tables relevant to Vicmap Transport see the Vicmap Transport - Technical Specifications document available on line at http://www.depi.vic.gov.au/vicmap .
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