I can use the "fid" field in a filter expression, but I cannot see the "fid" values inside the SpectralView attribute table

[Andreas Janz]

Filter expression using the “fid” field are quite useful.

Can we show the “fid” field in the table?

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[Benjamin Jakimow]

You can use the context menu of the table view’s header to specify order and visibility of fields:

in the far past we decided to hide “fid”, “source” and “values”, as they are more or less autogenerated.

[Andreas Janz]

Hiding “fid” may be a good default. Now that I know how to show it, we can just keep it how it is