I released this video yesterday, the 30th anniversary of a fatal crash on Toronto’s subway system. There are some animated segments explaining aspects of what happened; they’re all done using video layers and the Size & Position filter using keyframes. As always in my videos, I’m using only a fraction of what Shotcut can do, but if anyone has questions about how I did anything, I’m happy to answer.
Like the video, and I am glad you are commemorating the crash.
Was it pretty straightforward to add the animation / graphics in Shotcut?
(That exit tunnel has graffiti that must have been added in the last month and a half or so, because I walked past there at about that time, and do not think all of that was there).
Thanks!
Yes, the animation was pretty easy. It’s basically just a bunch of individual graphic elements (black background with rails and ties, for instance) on separate layers. Things like changing signal lights are a sudden switch from one image to another. The moving vehicles use the Size and Position filter with keyframes (and, in some cases, easing so that the vehicle changes speeds fairly smoothly). Some of the transitions (e.g. where footage comes in over top of an animation) are a transition between a transparent image and the new clip, on a layer above the topmost layer of the animation; if the animation has stopped before the transition, I export the frame as a PNG and replace the whole stack of layers with that one image to simplify things.
The on-site footage was actually shot a couple of months earlier so I can’t give an account of changes in graffiti over time 
Thanks very much for your reply - I appreciate you answering my question so thoroughly and clearly.
I sent a link to the video to several friends, and a couple of them got back to me and were very complimentary about your video.
One of those friends reminded me that I had actually got on the subway (at St. Clair West) about half an hour before the train that crashed. I had initially forgotten that, but remembered a few minutes after watching your video.
Subscribed to your channel, and looking forward to more videos.
Thanks again.
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