Dr. Guy T. Rixon Profile

Dr. Guy T. Rixon

at Institute of Astronomy

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Publications (6)

Proceedings Article | 16 September 2004 Paper

Visualizing astronomy data using VRML

Brett Beeson, Michael Lancaster, David Barnes, Paul Bourke, Guy Rixon

Proceedings Volume 5493, (2004) https://doi.org/10.1117/12.551030

KEYWORDS: Visualization, Optical spheres, Astronomy, Human-machine interfaces, Java, OpenGL, Observatories, Web services, Standards development, Spherical lenses

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Visualisation is a powerful tool for understanding the large data sets typical of astronomical surveys and can reveal unsuspected relationships and anomalous regions of parameter space which may be difficult to find programatically. Visualisation is a classic information technology for optimising scientific return. We are developing a number of generic on-line visualisation tools as a component of the Australian Virtual Observatory project. The tools will be deployed within the framework of the International Virtual Observatory Alliance (IVOA), and follow agreed-upon standards to make them accessible by other programs and people. We and our IVOA partners plan to utilise new information technologies (such as grid computing and web services) to advance the scientific return of existing and future instrumentation. Here we present a new tool - VOlume - which visualises point data. Visualisation of astronomical data normally requires the local installation of complex software, the downloading of potentially large datasets, and very often time-consuming and tedious data format conversions. VOlume enables the astronomer to visualise data using just a web browser and plug-in. This is achieved using IVOA standards which allow us to pass data between Web Services, Java Servlet Technology and Common Gateway Interface programs. Data from a catalogue server can be streamed in eXtensible Mark-up Language format to a servlet which produces Virtual Reality Modeling Language output. The user selects elements of the catalogue to map to geometry and then visualises the result in a browser plug-in such as Cortona or FreeWRL. Other than requiring an input VOTable format file, VOlume is very general. While its major use will likely be to display and explore astronomical source catalogues, it can easily render other important parameter fields such as the sky and redshift coverage of proposed surveys or the sampling of the visibility plane by a rotation-synthesis interferometer.

Proceedings Article | 16 December 2002 Paper

Identified usage of the Virtual Observatory: beyond the WWW

Guy Rixon, Nicholas Walton

Proceedings Volume 4846, (2002) https://doi.org/10.1117/12.459722

KEYWORDS: Data archive systems, Observatories, Astronomy, Data storage, Computing systems, Control systems, Telescopes, Internet, Bone, Computer security

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Proceedings Article | 16 December 2002 Paper

AVO interoperability demonstration

Francois Genova, Mark Allen, Francois Ochsenbein, Andreas Wicenec, Christophe Arviset, Alberto Micol, Robert Mann, Guy Rixon, Pierre Didelon, Simon Garrington, Anita Richards

Proceedings Volume 4846, (2002) https://doi.org/10.1117/12.461492

KEYWORDS: Prototyping, Observatories, Data archive systems, Cadmium sulfide, Standards development, Data mining, Data integration, Image visualization, Visualization

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Proceedings Article | 16 December 2002 Paper

Interoperability of archives in the VO

Francois Genova, Guy Rixon, Francois Ochsenbein, Clive Page

Proceedings Volume 4846, (2002) https://doi.org/10.1117/12.461505

KEYWORDS: Astronomy, Data archive systems, Observatories, Cadmium sulfide, Standards development, Databases, Web services, Data conversion, Data modeling, Associative arrays

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Proceedings Article | 16 June 2000 Paper

UltraDAS: the high-performance data acquisition system at the Isaac Newton Group of Telescopes

Guy Rixon, Nicholas Walton, Dennis Armstrong, Guy Woodhouse, Simon Tulloch

Proceedings Volume 4009, (2000) https://doi.org/10.1117/12.388383

KEYWORDS: Sensors, Control systems, Telescopes, Cameras, Data acquisition, Computing systems, Computer programming, Space telescopes, CCD cameras, Human-machine interfaces

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Proceedings Article | 26 May 1998 Paper

Improving the effectiveness of 2-m-class telescopes through control systems redesign

Nicholas Walton, P. Bunclark, Marion Fisher, Francis Gribbin, E. Jones, Paul Rees, Guy Rixon

Proceedings Volume 3351, (1998) https://doi.org/10.1117/12.308837

KEYWORDS: Telescopes, Charge-coupled devices, Control systems, Data acquisition, Data archive systems, Cameras, Human-machine interfaces, Sensors, Computing systems, CCD cameras

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