How to combine motion tracking and zoom?

Peter75

Newbie Joined: Nov 29, 2016 12:39 Messages: 14 Offline

Solved by

Apr 21, 2018 15:20

I'm creating a scuba diving video that starts with a descent along a rope. I'd like to show numbers indicating depths moving by as we descend. I can use motion tracking to keep the numbers "pinned" to locations along the rope, but what i don't know how to do is make the depth numbers get bigger as we approach and pass them. Can anyone please help me understand how to do that part?

Thanks for your help

PlaySound

Senior Contributor Joined: Dec 02, 2010 10:26 Messages: 2031 Offline

Apr 21, 2018 17:20

In Motion Track Editor, you can add many tracks.
You can add image, video or text to each track.
I think there is no way to zoom, put a video that contains the zoom

It seemed easier the way I did.
I do not know if it will suit what you want.
After creating the 1st Motion track
Copy this to another track
Make divisions where time will change
use images with numbers and transparent background or not.
Overlap part of the image, the image of the time division, in the menu that appears select, Replace.
There are videos showing a stopwatch, you can use this or another in place of the image.
When preparing the image or video, make the adjustments, to fit your way the first image
If you use video with clock, you can try to set the time using Video Speed.
Depending may not need to split, Motion track
video attachment done this way

Filename	moveclock.mp4	Download
Description
Filesize	2852 Kbytes
Downloaded:	280 time(s)

This message was edited 3 times. Last update was at Apr 22. 2018 13:43

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ynotfish

Senior Contributor Location: N.S.W. Australia Joined: May 08, 2009 02:06 Messages: 9977 Offline

Apr 22, 2018 14:58

Hi Peter -

If you really wanted to make the task challenging/difficult, you could (after setting motion tracking), open the graphic/title in PiP Designer and edit the scale keyframes to "make the depth numbers get bigger as we approach and pass them".

As a simpler option, you could ignore the motion tracking and use a simple title template like this, which fades & zooms in & out.

Not sure what cameras you're using on your dive, but some (like GoPro) gather telemetry data which can be displayed on-screen using apps like Dashware.

Cheers - Tony
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