DØ software tutorials

A tutorial on the DØ analysis software was held on tuesday 6 October during the collaboration meeting (Wilson Hall, 1 West, from 8:15 until 12:00, and then in the afternoon from 14:30 until 16:00). See the original announcement in the DØ news. Three different subjects were covered:

• DØ (analysis) software tutorial    (Marco Verzocchi, 8:15-12:00)
• Event graphics demonstration     (Laurent Duflot, 14:30-15:15)
• Data access tutorial                      (Heidi Schellman, 15:15-16:00)

The videostream for this meeting is available here. You will need to have RealPlayer installed on your computer to get the videostream. The videostream will remain accessible also in the future.

This page contains links to the transparencies that were shown during the tutorials and to additional material provided by the speakers.

DØ (analysis) software tutorial

• Presenter:        Marco Verzocchi
• Time:               8:15-12:00 (4 sessions of 45 minutes)
• Transparencies available in PDF format (click on the links below)
• Topics for Part 1 (10.0 MB)
• DØ software black magic explained (the setup command)
• Software versioning and CVS
• Understanding the directory structure of different packages
• How to build an executable
• The DØ software framework
• Framework RCP
• Topics for Part 2 (6.0 MB)
• More on run control parameters (RCP)
• Understanding the RCP databases, problems with RCP files
• How to share data between packages (the EDM)
• What is the purpose of all interfaces
• Event filtering
• Input/output
• Do and don't with the gmake command
• Using the d0tools to run DØ programs
• Topics for Part 3 (7.2 MB)
• (Additional material: header and source code of D0ChunkAnalyze (PS format))
• The D0ChunkAnalyze example
• Accessing some D0 physics objects from the chunks
• Writing "Elvis has just left the building" and "Elvis is dead"
• Filling histograms and ROOT tuples
• Topics for Part 4 (1.2 MB)
• Other chunks, chunk documentation
• Trigger selection
• Things not covered for lack of time
• RTE
• d0cuts
• luminosity calculation and bookkeeping
• np_tmb_stream
• Documentation
• Yes you can contribute

Event graphics demonstration

• Presenter:        Laurent Duflot
• Time:               14:30-15:15
• Transparencies available in PDF format (1.0 MB) or in PS format (5.1 MB)
• Topics:
• The user interface. The various windows
• The viewer. Translations, rotations and other manipulations
• Printing. Special features
• Performance tips
• The views currently available, how to best use them in realistic situations
• Known problems

Data access tutorial

• Presenter:        Heidi Schellman
• Time:               15:15-15:00
• Transparencies available in PDF format (0.9 MB)
• Topics:
• Overview of SAM metadata
• What you need to selet data
• Sources for more information about the data
• Relation of SAM to analysis and luminosity
• How to store files back into SAM

This page maintained by MarcoVerzocchi