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Mobile VO

Mobile VO. Mike Fitzpatrick NOAO. Introduction. The iPortal is a web-app for the iPhone / iPod Touch providing a mini portal to VO data and services. Standard CGI-based web-app using VOClient tools on the server-side, and CSS to fit the iPhone screen size.

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Mobile VO

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  1. Mobile VO Mike Fitzpatrick NOAO NVOSS 2008

  2. Introduction • The iPortal is a web-app for the iPhone / iPod Touch providing a mini portal to VO data and services. • Standard CGI-based web-app using VOClient tools on the server-side, and CSS to fit the iPhone screen size. • Fully functional prototype to demonstrate capabilities. NVOSS 2008

  3. Screenshots • Single textbox entry • Object Name • Coordinates • Search Terms • Modifiers used to restrict search (e.g. ‘i:m51’ to search only images services) NVOSS 2008

  4. Screenshots • Tapping the textbox brings up the built-in keyboard interface automatically NVOSS 2008

  5. Screenshots • Task tries to resolve term either via Sesame or the Registry • If object, an image is displayed and the coordinates printed • The i button brings up additional image controls NVOSS 2008

  6. Screenshots • Image controls allow Pan / Zoom • Controls done using JavaScript • Images in SDSS footprint are in color, otherwise DSS, but all-sky coverage NVOSS 2008

  7. Screenshots • Search terms bring up summary of results • Selecting a type shows resources only of that type NVOSS 2008

  8. Screenshots • Titles of services displayed in list • The Q button is a shortcut to a query form of that service NVOSS 2008

  9. Screenshots • Selecting a title shows the full Registry record • Again an option to query the service, this case a VizieR table NVOSS 2008

  10. Screenshots • Full access to the table is allowed by 2-fingered scrolling • Result is a simple HTML table NVOSS 2008

  11. Screenshots • Sample of a query form for an image service • Input can be position or object name NVOSS 2008

  12. Screenshots • SIAP results will show preview images as links • A service to render FITS images could be written NVOSS 2008

  13. Screenshots • Preview image shows results NVOSS 2008

  14. Screenshots • Pinch gesture can be used to zoom the image, standard part of web browser • Pan provided by 2-finger scrolling NVOSS 2008

  15. What About Normal Cell Phones? • Usually come w/ smaller screens (e.g. 160x128). Recently 320x200 is common. • MVO is a web-app for these small screens. • Emphasis on basic query, no data access allowed NVOSS 2008

  16. MVO on Cell Phones • Resolver mode output pretty basic. • Just enough to point a telescope if you’re in a field with your telescope but no internet connection. NVOSS 2008

  17. MVO on Cell Phones • Registry search prints ShortName owing to small screen size • Each item is a link that clicks thru to the full Registry record. NVOSS 2008

  18. MVO on Cell Phones • Registry records prints essential fields. • Enough information to know what the resource is, but we restrict printing (e.g. long descriptions) to minimize data transfer. NVOSS 2008

  19. MVO on Cell Phones • Inventory mode prints a simple count of matched resources and records found in a 10” radius. • Result is the resource Title since these are typically Vizier tables. • Cluck thru to full resource record NVOSS 2008

  20. http://iraf-nvo.noao.edu/iportal http://iraf-nvo.noao.edu/mvo NVOSS 2008

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