My autohalftoning workflow has evolved to something like the following.
- Write some code
- Parameterize it.
- Find some parameters that produce interesting results
- Set up the software to do some ring-arounds
- Import the ring-arounds into Lightroom
- Delete all but the good ones
- Manually remove the orphaned sidecar files.
The last step is not a lot of fun. I wrote some code to automate it: