visivoweb: a web solution for large-scale astrophysical...
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VisIVOWeb: a web solution for large-scale
astrophysical visualization
Alessandro Costa
INAF Astrophysical Observatory of Catania, Italy
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VisIVO Projects
VisIVODesktop
VisIVOServer
VisIVOWeb
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VisIVOWeb http://visivoweb.oact.inaf.it
VisIVOWeb is part of a joint collaboration between Italian Insitute for Astrophysics (INAF), CINECA supercomputing center and University of Portsmouth
VisIVOWeb aims at providing our community with multidimensional online Visualization tool.
VisIVOWeb is a network of portals
INAF CT Italy
INAF TS Italy
University of Portsmouth UK
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VisIVOWeb
The primary goal of VisIVOWeb is:
to aid the scientist understanding complex data.
Outcomes of simulations become larger keeping up with the constant increase of computational power. (i.e. 12GB each timestep -> 512M Body Simulation).
Images
Animations
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VisIVOWeb
PHP 5 -> Joomla! 1.5
Mysql
VisIVOServer (c++)
VTK
Splotch
JAVA
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Open Source Projects GPL V2 SourceForge
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VisIVOWeb
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VisIVOWeb
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Is composed by Generates
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VisIVOWeb: Authentication You can connect to VisIVOWeb in two ways:
Registered user
Anonymous
Each user, both the authorized one and the anonymous, has its own staging area and he can upload and manage its own data: images, tables and movies without any interference with other user data.
Anonymous : 4 day since the last access.
At the and of this period all data will be removed from the system.
Registered user: 2 months since the last access
(some warning e-mails will be sent to the user before the end of the account lifetime) Alessandro Costa IVOA Interop. Meeting Nov.2009 8
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VisIVOWeb: importing a dataset
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VisIVOWeb Connect
This technology allows a web archive to
import a data file in a VisIVOWeb Portal.
The dataset must to be accessible via its URL
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VisIVOWeb Connect The service can be invoked using this syntax:
http://VisIVOWeb Portal?url=URL&data_file=votable
Accepted data files: votable, fly, fits, ascii, csv, GADGET2
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visivoweb.oact.inaf.it/visivoweb/VisIVOWebConnect.php palantir7.oats.inaf.it/visivoweb/VisIVOWebConnect.php visivo.port.ac.uk/visivoweb/VisIVOWebConnect.php
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VisIVOWeb: a 10 minutes demo
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VisIVOWeb Interface
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VisIVOWeb Interface
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VisIVOWeb Interface
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Upload Interface
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Upload Interface
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Overview
We uploaded through VOSpace a dataset representing 2 million particles randomly selected from a 512million particle simulation. Z=0.1
We used a VisIVOWeb operation (Point Property) to calculate and associate a mass density to each particle using a Cloud-In-Cell (CIC) algorithm
We visualized the dataset using both VTK and Splotch
We built a movie of the dataset around some chose frames
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A short VisIVOWeb movie: VTK ftp://astrct.oact.inaf.it/pub/acosta/VisIVOWeb/Movies/movie5.gif
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512MParticles Z=0.1
A short VisIVOWeb movie: Splotch
ftp://astrct.oact.inaf.it/pub/acosta/VisIVOWeb/Movies/movie4.gif
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Online tutorial on YouTube
ViSIVOWeb online Tutorial http://www.youtube.com/view_play_list?
p=6285D8CA3CA73062&search_query=visivoweb
VisIVOServer online tutorial http://www.youtube.com/view_play_list?
p=A7ECAF614EAE7970&search_query=visivoserver
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