Standard IBIS interface file of 512 samples by N lines.
Standard IBIS interface file of 512 samples by N lines.
This column number is used as
a control for the columns to
be compressed. Each number
repeated in this column will
form 1 row on the output file.
THE COLUMN DOES NOT HAVE TO BE
SORTED, IT WORKS ON "BREAKS" IN
THE DATA. FOR EXAMPLE YOU CAN
USE
0,0,1,1,1,1,0,0,0,1,0,0,1,1,0,0
TO GET SEVEN RECORDS OUT.
This column is used as an area maximum key. The maximum value is found in each index group and stored by row position. This row position is a pointer to the same positions in other columns.
These are the columns to be collapsed by the first option, that is select one sample row position for each index group by the maximum key area.
These are the columns to be collapsed by aggregating all values for an index group.