Read file channels

Read file channels adds channels reading from one or more files. The channels to be read are defined in the channel vector Channel subset.

The syntax of the channel vector is

- Start:Step:Stop (2:3:11 results in channels 2 5 8 11)

- Comma separeted list (1,2,7 resulst in 1 2 7)

or a combination

2:3:11,10:5:20 is the vecor 2 5 8 11 10 15 20

The resulting channel vector is displayed in Subset preview.

Non existing channels are ignored.