Hi Will,

> why not just at ONE extra menu item added to the construction
> line popup menu thingie Persist - this would take the current
> line you've dragged out, positioned, rotated etc., and make it
> persistent.

That's a good idea for the mechanism for a "keep the temporary ones", of course once the other issues with persisted lines are handled like selection highlighting, etc...


> That can either be 2 additional CLine popup menu items
> "Remove and "Remove All" - or perhaps a left click / right
> click kinda thing on a "Remove" menu.

This part is not so good though - not because of too many menu items though, but because it means that in order to remove all clines you would first need to create a cline to get that menu, at least with how things work currently. That's kind of bad to need to create a new thing in order to destroy a bunch of other things.


> It would be nice if the persisted clines could be shortened
> or trimmed and not extend all the way across the viewport -
> this would help reduce clutter.

This one is not really feasible - it is pretty much baked in to clines that they are infinite lines.

To get non-infinite lines you just draw regular lines, you can draw one snapped on top of a cline if you want to get a portion of that line that is not infinite...

- Michael