Thanks, I am little understand the meaning.
I will test ST3 first and then generate the scenario about this
I don't see much different between 2 and 3, they should work the same.
1. On the moment you can delete trackpoints in ST with chancing the pull down menu in the top left corner of the map in editing.
2.after this you go to track point and you see then the cursor changing in a target model.
3. hit the left mouse button and than the [delete] on the keyboard, trackpoint deleted.
4. replace the trackpoint to click on the left mouse button and keep it in then move the trackpoint where you want it.
If you decide ever to make it possible to create ore modify tracks in TMPro I would suggest to make it possible to select a part of the map. After this you then can decide to take out (delete) all the trackpoints or waypoints in the selected part of the map. Editing like in ST 2 and 3 of trackpoints and waypoints is necessary as well of course.
If so you would gain to be a head of a lot of route track builders
, like you do with smart track back.