VisIVoWeb Applications Group
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VisIVoWeb Applications Group Presentation Transcript

  • 1. VisIVOWeb: a web solution for large-scale astrophysical visualization Alessandro Costa INAF Astrophysical Observatory of Catania, Italy email: alessandro.costa(at)oact.inaf.it
  • 2. VisIVO Projects  VisIVODesktop  VisIVOServer  VisIVOWeb
  • 3. 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 Alessandro Costa IVOA Interop. Meeting Nov. 3 2009
  • 4. 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 Alessandro Costa IVOA Interop. Meeting Nov. 4 2009
  • 5. VisIVOWeb   PHP 5 -> Joomla! 1.5   Mysql   VisIVOServer (c++)   VTK   Splotch Open Source Projects GPL V2   JAVA SourceForge Alessandro Costa IVOA Interop. Meeting Nov. 5 2009
  • 6. VisIVOWeb Alessandro Costa IVOA Interop. Meeting Nov. 6 2009
  • 7. VisIVOWeb Is composed by Generates Alessandro Costa IVOA Interop. Meeting Nov. 7 2009
  • 8. 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 Interop. Meeting Nov. sent to the user before the end of the account Alessandro Costa IVOA e-mails will be 8 lifetime) 2009
  • 9. VisIVOWeb: importing a dataset Alessandro Costa IVOA Interop. Meeting Nov. 9 2009
  • 10. 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 Alessandro Costa IVOA Interop. Meeting Nov. 10 2009
  • 11. 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 visivoweb.oact.inaf.it/visivoweb/VisIVOWebConnect.php palantir7.oats.inaf.it/visivoweb/VisIVOWebConnect.php visivo.port.ac.uk/visivoweb/VisIVOWebConnect.php Alessandro Costa IVOA Interop. Meeting Nov. 11 2009
  • 12. VisIVOWeb: a 10 minutes demo Alessandro Costa IVOA Interop. Meeting Nov. 12 2009
  • 13. VisIVOWeb Interface
  • 14. VisIVOWeb Interface
  • 15. VisIVOWeb Interface
  • 16. Upload Interface
  • 17. 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
  • 18. Some short VisIVOWeb movies 512MParticles Z=0.1 rendered using VTK ftp://astrct.oact.inaf.it/pub/acosta/VisIVOWeb/Movies/movie5.gif Alessandro Costa IVOA Interop. Meeting Nov. 18 2009
  • 19. 512MParticles Z=0.1 rendered using Splotch ftp://astrct.oact.inaf.it/pub/acosta/VisIVOWeb/Movies/movie4.gif Alessandro Costa IVOA Interop. Meeting Nov. 19 2009
  • 20. Online tutorial on YouTube ViSIVOWeb online Tutorial   http://www.youtube.com/view_play_list? p=6285D8CA3CA73062 VisIVOServer online tutorial   http://www.youtube.com/view_play_list? p=A7ECAF614EAE7970 Alessandro Costa IVOA Interop. Meeting Nov. 20 2009