1.2.1 Header File

The header file consists of a set of records describing the contents of the database data file. Each record contains

• Iteration Number
• Time step number
• Simulation Time
• Variable length or spatial reference.
• Width of the variable
• Variable type
• Record number for the start of the variable values in the data file.
• Pointer to the header record number for the next variable in a chain. Set to 0 for variables not in a chain
• Variable name.

Currently the header database file is written free format. It is opened as an unformatted, direct access file.