Hey Pete,
I haven’t taken the time to dig back through the discussions to check for sure exactly which “HA Smoothed charts” you are referring to, but we had a discussion on regular single smoothed and doubled smoothed about a year ago. Here’s a link to that discussion. There are several more around that time frame. Within this thread link is a shared TOS link for for “Double Smoothed” Heikin Ashi.
[Thinkorswim Double Smoothed HeikinAshi]
Here is a shared TOS link for the routine “single smoothing MA”.
Apparently Schwab has altered the code for such links, not sure if that will be an issue for the link in the referred prior discussions. Geez, that is going to mess me up if that is the case. I have a bunch of old shared codes for things I haven’t sorted through yet…guess I better figure that out.
Regardless, please let me know if these are what you are looking for or if there is something else. Adapting the coding for whatever you’re after shouldn’t be a big deal.
Lakedog