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Review of LHC Superconducting Circuits Database Navigator

Explore the history and features of the mechanical database navigator for reviewing electrical drawings of LHC superconducting circuits. Learn about its development, usage, limitations, and future considerations.

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Review of LHC Superconducting Circuits Database Navigator

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  1. Web NavigatorThe example of the mechanical database Review of electrical drawings for the LHC superconducting circuits H. Prin May, 24th 2011

  2. History • Initially developed in 1996 by M. Mottier for P. Lefevre to get an interactive vision of the machine layout using CGM format • The current version of the navigator was developed in 1999 and was placed in operation in 2000 for the LHC optics version 6.2 (6 versions approved since) • DWF files are computed with AutoCAD R14 to get the visualization • HTML, Javascriptand Whip! Plug-in are used to get the page layout and the interactions with the drawing layers, named views, links, information… • Since the initial developments almost no revision to follow AutoCAD updates nor HTML specification versions • When it was developed it has to work on all platforms supported by CERN: Windows, Mac, Unix; whatever the navigator: Internet Explorer, Netscape Direct link: http://www.cern.ch/lhc/lhc/layouts/v65/top_me.htm

  3. Remarks • Since AutoCAD 2004, the DWF format used in the Web Navigator is no longer available • Whip! Plug-in is no longer supported: • Works with Internet Explorer • No longer compatible with Netscape, Chrome, Opera, Safari… • Only 256 colors are supported • All Stephen’s drawings have to be adapted • QA policy: the file used to generate the DWF has to be the one uploaded for the CDD archiving) • The current soft use (DWF + HTML + Javascript + Whip! Plug-in) is tested, proven, light and robust BUT it’s 12 years old. • Example of what could be done: Click

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