in the file. If there is only a single time step in the file set S_DELTA = 1.</p>
<p align="left"><b>S_NUM_OF_FILES</b> = 23,</p>
<p align="left">Normally S_NUM_OF_FILES should be omitted or should have a value of 1. Use it for the special case that your files are named with ending .001, .002, .... in which case you can describe them all with a single STEPFILE_RECORD as in the example. ( S_DELTA must then also describe the delta between the last time step in each file and the first time step in the next fil