Hi All,
I've had a search and can't seem to find anyone else discussing an issue I've encountered, so here goes.
TL;DR - When viewing a sketch from the opposite direction it was created from, projected geometry (and invisible faces / edges) are selected ahead of sketch elements.
I thought this was a bug at first, but it seems it's all down to the orientation. Until today, I believed Fusion 360 treated sketch planes equally regardless of which way you looked at them from. I'll often create a sketch by viewing the underside of a model and selecting the relevant face directly. Maybe it's the civil engineer in me, but I often prefer to view and edit this sketch from the 'Top'. Because F360 itself actually orientates the view to the nearest normal angle with the 'Look At' command, the way it flips all the dimensions etc, I assumed this was OK.
But today I grew frustrated with my apparent inability to create a simple dimension between a projected line and a sketch line I'd just drafted. Fusion kept picking invisible edges - even faces, so I had to use the selection picker to get what I wanted. By pure chance, I tried working with the sketch again from the original direction and everything worked just fine.
I'm not sure if this is considered a bug, but to me it's certainly unexpected behaviour. Selection priority for collinear elements doesn't seem like something that should be tied to orientation, and it'd be great if this could be controlled in another way.
I'm currently running Fusion 360 on macOS, and this appears to be reproducible every time, but I'll keep an eye on things as I work on other models etc.
Fusion
