CLAS Drift Chamber Calibration Web Tools

by David Lawrence

Here are a set of Web-based tools provided to help produce and maintain CLAS Drift Chamber calibrations. These tools access the MySQL database which holds CLAS calibration constants and other run information.

The source for these pages is kept in the CLAS CVS repository in the tools/dc directory.

Note that since some of these pages can manipulate the database, they are access controlled using the nominal (web) CLAS collaboration username and password.
David Lawrence
davidl@jlab.org
Last Updated
Tools for Producing DC Calibrations
Calibration Cooking Script Wizard: This page will lead you through a number of forms you can fill out on your web browser in order to generate a cooking script and job script. If you are trying to calibrate the CLAS Drift Chambers, then this is the place to start.
Expert Cooking Script Form: This page consolidates the Wizard forms into a single page. It does not provide the guidance of the wizard, but will be quicker for experienced calibrators who which to produce a cooking script/job script in a hurry.
DC Administrator Page: This page is intended only for the CLAS Drift Chamber administrator (Mac Mestayer) or his designate. (This is not the one you want)


Tools for Analysis Coordinators
Graph of History of Calibrations: This tool will generate a graphical representation of the history of CALDB entries for a specified system, subsystem, item for a particular run period (see the Analysis Coordinator tool for editing Run Period info).
Tmax from online recsis Online Recsis continuously generates Tmax values during data taking and records them in a database. This will produce a plot of these values for a specified run period, averaged over sectors for each of the 3 DC regions.


Tools for Analysis Coordinators
Cooking Parameters Entry Form: This page will allows analysis coordinators to enter information directly into the COOKING_PARAMETERS system of the CLADB. This system was created to have a common place in which to record information such as roads files, bgrid files, RunIndex table names etc. The DC calibration tools use this information when generating cooking scripts, if it is available. You are encouraged to fill out this form if you are an Analysis Coordinator even if you are done cooking the data! This information could be vital to other CLAS collaboration members trying to look at old data.
Run Period Run Ranges This page shows the run ranges of all run periods currently defined in the runinfo.run_period table on clasdb.jlab.org. This information is used extensively by the other tools on this page to both provide guidance and restrict writes to the caldb to a single run period. The table is note complete! If you see an omission and have the information to fill it in, please do so!