Compress

Processor that concatenates columns and stacks the rows of each group into per-group 2D arrays.

Configuration

Selected as name: compress.

Option	Description	Type	Default
to	Destination frame for the compressed result.	str	required
by	Columns to group rows by (one output row per group).	column(s)	required
cols	Columns concatenated and stacked into the per-group array.	column(s)	required
out	Output column holding the stacked array.	str | int	required
dtype	Data type of the stacked array.	str	null
record_names	Store the source column names in the attributes.	bool	true
record_offset	Store the per-column offsets in the attributes.	bool	true

- name: compress
  kwargs:
    to: pulses
    by: event_id
    cols: [ x, y, z, charge, time ]
    out: features