It’s an interesting one. I can only really guess a solution here because I don’t have an example to work on.
I think the reality is here you probably want to create some type of moving average to smooth out the line, but to do that you will require more data points between point here to make it work.
I’ve completed some research on this also and can’t find anything where this is possible with the general visualization palette available other than using the technique I described above.
Seems like there’s is an idea out on this currently. See below
Thanks
Sam