Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007hia....14q.627c&link_type=abstract
Highlights of Astronomy, Volume 14 IAU XXVI General Assembly, 14-25 August 2006 Karel A. van der Hucht, ed., p.627
Astronomy and Astrophysics
Astronomy
Scientific paper
VisIVO is a tool for 3D visualization, it provides an effective and intuitive way of managing, visualizing and analysing the large amount of data produced by observations and numerical simulations. The software is specifically designed to deal with multidimensional data. Catalogues and numerical simulations represent the basic target of VisIVO. The package is written in C++. This poster describes VIsIVO's Grid Web Service (VWS) and its counterpart client side developed in VisIVO. VisIVO's Grid Web Service is developed as a part of the Italian Virtual Observatory, it allows to run applications in grid using the web service technology. The VWS has been designed to work within a Virtual Observatory environment so that the interface for the current application, shown in this poster, and the interfaces for other applications are described by a small and constant piece of WSDL code. Our first application is HOP: an algorithm for finding groups of particles based on the one developed and coded by Daniel Eisenstein & Piet Hut, Institute for Advanced Study, Princeton, NJ. We have developed VWS using Java AXIS libraries for the server side and C++ AXIS libraries for the client side. The access to the computational resources and storage areas is based on grid services in the INFN Production Grid and from this the VWS inherits asynchronous features, scheduling and matching algorithms. HOP was distributed as RPM Package and was installed in the Worker Node Elements of the INFN Production Grid. The idea is to use external tools through the grid avoiding the integration in our application. We can focus on the I/O management of the jobs and on the standardization of the access methods for the different analysis tools improving the scalability of our solution.
Becciani Ugo
Comparato Marco
Costa Alfredo
Gheller Claudio
Larsson Bengt
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