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Bob Garwood's primary responsibility is to oversee and contribute towards the single dish work in AIPS++. This work remains focused on the DISH environment and the support of the GBT. His contribution in support of the GBT is primarily through the GBT fillers that convert the GBT FITS data files to an AIPS++ MeasurementSet. His DISH work involves the maintenance and enhancement of the data access tool (sditerator), the data averaging too (sdaverager) and the data conversion tools (sdfitstoms and ms.tosdfits). In addition to these duties, he is responsible for the maintenance and enhancement of the FITS classes. He is also the chief code cop. Over the past development cycle (November 2000 through May 2001) he has done the following:
Continued work to develop the GBT filler. The filler was used for the first time during commissioning of the GBT. Several defects were discovered and fixed. The filler was modified to handle several new FITS files produced by the GBT. Work was nearly completed on reading the IF and LO FITS files. The handling of antenna telescope pointing information was changed to use a new FITS file now produced by the GBT. The filler tool interface was modified so that it now runs asynchronously so that the Glish session invoking it continues to be usable while the filler is running.
The speed of the sditerator tool was greatly improved when the underlying data is in a MeasurementSet. Speeds for browsing and summarizing such an sditerator went from several minutes to a few seconds.
The SDFITS conversion tool was fixed to decrease the amount of data bloat. Several addition defects involving this tool were fixed. Participated in many discussions regarding the tasks required of the gbtmsfiller when filling data from the GBT spectrometer.
Participated in weekly coordination meetings involving GBT commissioning.