I understand that there’s no (supported) way to re-order tracks; but it is my understanding that tracks are meant to be rendered in Z-order in the same order as they appear in the timeline. However, it appears (in 19.02.28) that tracks are rendered in order of their addition to the timeline, irrespective of where they are inserted.
Can someone confirm this behavior, and whether it is expected? Is there a way to insert a video layer below the existing layers?
Select the lowest video tracks header. Right click->insert. This will add a track above the selected track. You cannot add a track below V1.
Tracks are rendered from 00:00:00:00: to the end of the timeline, unless you copy timeline to source. In that case you can specify a start and end point for rendering.
When I say “rendered in order” I mean their z-order; that is, when using size-and-position to place them on the canvas, I’m concerned with which tracks render on top of which other tracks.
Right click->insert.
I’m doing that; and I’m able to place the track in the list where I want it to be; but my experience is:
I create this timeline with two video tracks:
V2: content
V1: background
I then try to insert a new track to create a drop shadow effect, like this:
V2: content
V3: shadow
V1: background
But V3 always renders on top, blocking V1, no matter where I place it in the order of tracks.
This is the way it works. Upper track will always block lower track. V3 will block V2, V2 will block V1. It doesn’t matter how may tracks you have.
You need to use the size and position filter or the rotate and scale filter to create your composition. You could use opacity to allow a lower tack to show through an upper track.
Here’s an example. Using 3 tracks. BGD on V1. Shadow on V2. Content on V3. Using the rotate and scale filter.
What you have described is what I expect, but not what I have observed. See here in this screenshot that the shadow track is rendering over the gameplay track, even though it is placed under it in the timeline.
I just re-created with a new project and no filters at all. Notice that this should have green (V3) on top; but black (V2) is the one that’s displaying.
That is most unusual. I put filters on the tracks and everything worked fine. Here’s a screenshot with all filters disabled. Yellow on the V3 is showing in the source viewer.
What version of SC are you using?
I just duplicated the entire procedure in your video, step by step, and the upper track does not render. It’s probably because you insert the middle track. In my original project I created all 3 tracks before putting the color clips on them.
Thanks. I’m glad I’ve finally managed to convey what I’m experiencing.
I know I can do it by creating the tracks ahead of time. But it appears that render z-order reflects the order of addition, not the order of the clips in the timeline. So it’s impossible to insert a track underneath an existing track.
Assuming this is a bug, what’s the next step? Is there a way to report this? (I’ll try to find out myself; but I was thinking that bringing it up here in the first place would do that.)