Data Product Description

Data Product Description

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 1 Data maintenance Error! Bookmark not defined. 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 Vicmap Transport Product Description - Version 4.1 (applies to data model V3.3) Department of Environment and Primary Industries 2 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. Vicmap Transport Product Description - Version 4.1 (applies to data model V3.3) Department of Environment and Primary Industries 3 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. Vicmap Transport Product Description - Version 4.1 (applies to data model V3.3) Department of Environment and Primary Industries 4 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

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