UDAS DATA STRUCTURE AND DATA ACCESS ROUTINE
The UDAS data format was designed to have the following properties: The structure of a data file should, if possible, - be simple and transparent - contain all information required for complete interpretation of this dataset - be flexible to allow fast and simple implementation of extensions and modifications - avoid pointers, offsets, fixed type specifications, fixed sequences and fixed-length structures whenever possible, since such elements complicate the handling of a dataset and, furthermore, restrict the possibilities of the data acquisition system - contain few different control block types and not prescribe fixed definitions or interpretations of the control blocks - be organized in records to allow fast access. Each record should only contain a single type of data in order to facilitate conversion to other computer systems. It was largely possible to satisfy all of the above requirements with the UDAS data format, mainly by means of the character representation (ASCII) of the control and description blocks. The data format, which is composed of only description and data blocks, thereby became very straightforward and flexible. The individual structure components are described in detail.
Bibliographic Reference: WRITE TO MAX-PLANCK-INSTITUT FUER PLASMAPHYSIK, 8046 GARCHING BEI MUENCHEN (GERMANY), MENTIONING REPORT IPP 2/288, 1987
Record Number: 1989126055600 / Last updated on: 1989-03-01
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