sep 3, 2008nvoss 20081 mobile vo mike fitzpatrick noao
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Mobile VO
Mike FitzpatrickNOAO
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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.
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Screenshots
• Single textbox entry– Object Name– Coordinates– Search Terms
• Modifiers used to restrict search (e.g. ‘i:m51’ to search only images services)
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Screenshots
• Tapping the textbox brings up the built-in keyboard interface automatically
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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
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Screenshots
• Image controls allow Pan / Zoom
• Controls done using JavaScript
• Images in SDSS footprint are in color, otherwise DSS, but all-sky coverage
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Screenshots
• Search terms bring up summary of results
• Selecting a type shows resources only of that type
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Screenshots
• Titles of services displayed in list
• The Q button is a shortcut to a query form of that service QuickTime™ and a
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Screenshots
• Selecting a title shows the full Registry record
• Again an option to query the service, this case a VizieR table
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Screenshots
• Full access to the table is allowed by 2-fingered scrolling
• Result is a simple HTML table
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Screenshots
• Sample of a query form for an image service
• Input can be position or object name
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Screenshots
• SIAP results will show preview images as links
• A service to render FITS images could be written
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Screenshots
• Preview image shows results
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Screenshots
• Pinch gesture can be used to zoom the image, standard part of web browser
• Pan provided by 2-finger scrolling
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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
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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.
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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.
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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.
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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
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http://iraf-nvo.noao.edu/iportal
http://iraf-nvo.noao.edu/mvo