feature request: labels on diagonals in parallel sets

[bearloga]

Hi! Very cool package, especially with the addition of parallel set diagrams. Thank you for making it!

It'd be lovely to be able to add labels to the diagonals to show the values that determined the widths. The included Titanic example could look like this:

The use case in practice is I would love to show the %s in an event funnel like this:

Please and thank you! Cheers~

[tmerrittsmith]

Also interested in this. Pretty new to this stuff but would be happy to get involved if anyone can give me some pointers re: editing a geom_?

[enricoferrero]

+1, old thread, but I would also find this extremely useful. Wondering if this is being or has been considered? Thanks!

[jdsher]

+1, also have run into a use case for this exact feature