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LHCb Web Site Developent and Online Display Panels

LHCb Web Site Developent and Online Display Panels. Brandi McVety Otterbein College Advisor: Dr. Dirk Wiedner, CERN University of Michigan CERN REU 2008 14 August 2008. The LHCb Experiment. Goal: Discover cause of matter and anti-matter amount differences

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LHCb Web Site Developent and Online Display Panels

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  1. LHCbWeb Site Developent and Online Display Panels Brandi McVety Otterbein College Advisor: Dr. Dirk Wiedner, CERN University of Michigan CERN REU 2008 14 August 2008 B. McVety, Otterbein College

  2. The LHCb Experiment • Goal: Discover cause of matter and anti-matter amount differences • Plan: Study b-particle decays and CP-violations and other symmetry breaking • Detector: Forward Projection B. McVety, Otterbein College

  3. Phases of My Project • Phase 1Learn about the LHCb experiment and detector • Phase 2 Learn about web site design and create a site devoted to the LHCb magnet • Phase 3 Create online display panels reflecting state of the detector B. McVety, Otterbein College

  4. Phase 1: Reading • Technical Proposal from 1998 • Design Report from 2003 • Many web sites and articles about the LHCb B. McVety, Otterbein College

  5. Phase 2: Web Site Design • HTML Tutorials • Learning way around SharePoint • Usefulness of CSS style sheets • Created practice web site B. McVety, Otterbein College

  6. Phase 2: Magnet Site • Purpose: Serve as a source of information for scientists wanting to know the state of the magnet at any given moment • Implementation: Designed using SharePoint and written in HTML with attached CSS style sheets B. McVety, Otterbein College

  7. Homepage B. McVety, Otterbein College

  8. Sensor 0 B. McVety, Otterbein College

  9. Sensor 3 B. McVety, Otterbein College

  10. Homepage B. McVety, Otterbein College

  11. Cooling Water B. McVety, Otterbein College

  12. Current B. McVety, Otterbein College

  13. Phase 3: Online Display Panels • Purpose: Serve as a source of information for those wanting to know the state of the LHCb • Implementation: Designed using SharePoint and written in HTML and PHP with attached CSS sheets B. McVety, Otterbein College

  14. Panel Design 1 B. McVety, Otterbein College

  15. Panel Design 2 B. McVety, Otterbein College

  16. What is PHP? • A server-side scripting language that can be embedded into HTML • Useful for creating dynamic web pages • Remains invisible to users when viewing source B. McVety, Otterbein College

  17. Signal Implementation <?php error_reporting(E_ALL ^ E_NOTICE); function getlightstatus($lightnumber) { if($lightnumber=="1") { echo "<img src=\"Green_Traffic_Light.JPG\" width=50 height=50>"; } elseif($lightnumber=="2") { echo "<img src=\"Yellow_Traffic_Light.JPG\" width=50 height=50>"; } elseif($lightnumber=="3") { echo "<img src=\"Green_Traffic_Light.JPG\" width=50 height=50>"; } . . . elseif($lightnumber=="13") { echo "<img src=\"Green_Traffic_Light.JPG\" width=50 height=50>"; } elseif($lightnumber=="14") { echo "<img src=\"Green_Traffic_Light.JPG\" width=50 height=50>"; } } ?> • Went through several ideas: • Arrays • Create a function • call the function within the individual layers • Final Decision: Use an HTML form and read it with PHP B. McVety, Otterbein College

  18. HTML Form • Variety of content including radio buttons, drop- down selections and text input. • User can submit information to be retrieved and processed • $_GET variable: Passes information visibly through the URL and variable values can’t exceed 100 characters • $_POST variable: Variables are not shown in the URL and have no limit on character length <form action="Default.php" method="post"> <input name="Radio" type="radio" value="Red" /> <input name="Radio" type="radio" value="Yellow" /> <input name="Radio" type="radio" value="Green" /> <select name="RICH1"> <option></option> <option>Red</option> <option>Yellow</option> <option>Green</option> </select></span> <input name="Submit" type="submit" value="submit" /> </form> https://test-lhcbdisplays.web.cern.ch/test-LHCbDisplays/Default.php?RICH1=Red&TT=Green&Magnet=Yellow&IT=Green&OT=Green&RICH2=Green&SPD%2FPS=Green&ECAL=Red&HCAL=Green&Muon=Yellow&VELO=Green&Online=Green&Trigger=Red&Background=Green&Text1=&Submit=submit https://test-lhcbdisplays.web.cern.ch/test-LHCbDisplays/Default.php B. McVety, Otterbein College

  19. My HTML Form Page B. McVety, Otterbein College

  20. Example 1: Red Signal Test B. McVety, Otterbein College

  21. Example 1: Output B. McVety, Otterbein College

  22. Example 2: Individual Selections B. McVety, Otterbein College

  23. Example 2: Output B. McVety, Otterbein College

  24. Currently… • Display page and signal selection page are not saved between sessions • Have started to lay the ground work for signal selections to be saved to a file, which will then be read and updated each time the signals change • Minor Glitch: I currently lack permission to write to files in PHP B. McVety, Otterbein College

  25. Acknowledgements B. McVety, Otterbein College

  26. Questions? B. McVety, Otterbein College

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