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Understanding coordinate systems, datums and transformations in Australia
Citation
Janssen, V, Understanding coordinate systems, datums and transformations in Australia, Proceedings of the Surveying and Spatial Sciences Institute Biennial International Conference (SSC2009), , 28 September - 2 October 2009, Adelaide, pp. 697-715. ISBN 978-0-9581366-8-6 (2009) [Refereed Conference Paper]
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Abstract
Spatial professionals are required to handle an increasingly wide range of positioning
information obtained from various sources including terrestrial surveying, Global
Navigation Satellite System (GNSS) observations and online GNSS processing
services. These positions refer to a multitude of local, national and global datums. A
clear understanding of the different coordinate systems and datums in use today and the
appropriate transformations between these is therefore essential to ensure rigorous
consideration of reference frame variations in order to produce high-quality positioning
results. This paper provides a compendium for spatial practitioners, reviewing the
concepts and definitions of coordinate systems and datums in the Australian context and
outlining the practical procedures for coordinate transformations in Australia, in relation
to both horizontal and vertical datums. The differences between Cartesian, curvilinear
and projection coordinates are explained and practical solutions for the required
coordinate conversions and transformations are presented. The computational procedure
for the transformation between orthometric and ellipsoidal heights in the absence of
geoid undulations referenced to a regional ellipsoid is outlined.
Item Details
Item Type: | Refereed Conference Paper |
---|---|
Research Division: | Earth Sciences |
Research Group: | Geophysics |
Research Field: | Geodesy |
Objective Division: | Environmental Policy, Climate Change and Natural Hazards |
Objective Group: | Natural hazards |
Objective Field: | Natural hazards not elsewhere classified |
UTAS Author: | Janssen, V (Dr Volker Janssen) |
ID Code: | 59841 |
Year Published: | 2009 |
Deposited By: | Geography and Environmental Studies |
Deposited On: | 2009-12-21 |
Last Modified: | 2015-03-25 |
Downloads: | 298 View Download Statistics |
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