Dynamic Zoom happens before the tracker?

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Dustin Bowser

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Dynamic Zoom happens before the tracker?

PostWed Sep 12, 2018 8:44 pm

Using Dynamic Zoom on a shot, and then using the Classic Stabilizer in the Color, and noticing that it is tracking my digitally zooming shot?

This is not the way these order of operations should be..
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OS: Windows 11
CPU: Intel i912900K 3200Mhz 16 core
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Dmitry Kitsov BMD

Blackmagic Design

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Re: Dynamic Zoom happens before the tracker?

PostWed Sep 12, 2018 9:42 pm

Hi, Dustin,
Are you sure?
Testing with the 15.0.1.003 shows that stabilization is applied to the original before the Dynamic Zoom.
Blackmagic Design Sr.Technical Support Engineer
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Dustin Bowser

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Re: Dynamic Zoom happens before the tracker?

PostWed Sep 12, 2018 9:49 pm

Yeah I'm on the same version.

I enabled Dynamic Zoom and in the Classic Stabilizer I can definitely see the trackers are tracking as if it's a zoom ****, which it isn't.

If I disable Dynamic Zoom and stabilize, I can then turn it back on after and it seems to behave properly, but shouldn't haven't to disable it to track.
System specs:
OS: Windows 11
CPU: Intel i912900K 3200Mhz 16 core
RAM: 128GB DDR4-3000
GPU: NVIDIA A6000
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Dmitry Kitsov BMD

Blackmagic Design

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  • Joined: Tue Jun 03, 2014 11:43 pm

Re: Dynamic Zoom happens before the tracker?

PostWed Sep 12, 2018 11:45 pm

Would you please post a screenshot of the Stabilizer tracker window after analyzing the shot in question?
Here is a screenshot showing that panel after analyzing a shot with a lens zoom:
Screenshot 2018-09-12 16.39.02.jpg
Screen shot showing the Tracker panel after analyzing a shot with the lens zooming in.
Screenshot 2018-09-12 16.39.02.jpg (78.08 KiB) Viewed 845 times
Blackmagic Design Sr.Technical Support Engineer
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Dustin Bowser

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Re: Dynamic Zoom happens before the tracker?

PostWed Sep 12, 2018 11:53 pm

Ah ok, perhaps it's just a display thing then.

Screenshot 2018-09-12 16.48.38.png
Screenshot 2018-09-12 16.48.38.png (51.81 KiB) Viewed 841 times
System specs:
OS: Windows 11
CPU: Intel i912900K 3200Mhz 16 core
RAM: 128GB DDR4-3000
GPU: NVIDIA A6000
Offline

Dmitry Kitsov BMD

Blackmagic Design

  • Posts: 374
  • Joined: Tue Jun 03, 2014 11:43 pm

Re: Dynamic Zoom happens before the tracker?

PostThu Sep 13, 2018 12:27 am

Would love to see it with the zoom enabled
Blackmagic Design Sr.Technical Support Engineer
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Dustin Bowser

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Re: Dynamic Zoom happens before the tracker?

PostThu Sep 13, 2018 12:33 am

That is with the zoom enabled.

The reason it's misleading is, with dynamic zoom enabled, when you are in the Color page with the Classic Stabilizer you will see all of the trackers and all of the trackers will be zooming along with the digital zoom. So it gave me the impression that it was trying to stabilize the shot with the digital reposition in there.

But I think you're right, that zoom isn't being represented in the Tracker Curve, so it might be just that I'm seeing the trackers on the zoomed shot but that isn't having an effect on the Stabilized result.
System specs:
OS: Windows 11
CPU: Intel i912900K 3200Mhz 16 core
RAM: 128GB DDR4-3000
GPU: NVIDIA A6000

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