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TOPIC: Witness protection with BorisFX

Witness protection with BorisFX 5 months, 3 weeks ago #219547

  • andrixnet
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I've been trying to use Witness Protection filter from Boris FX, without success.
I have LWKS-14.5 and BorisFX 10.6 installed together as soon as I purchased my perpetual license.

LWKS shows in filter dialog, plugins category, that I can add BorisFX 10.6 effect.
After adding, next to the Launch button, it shows BorisFX9.3 Filter. Don't know if it's a problem. I've only installed Boris once, no changes afterwards.

Anyway, I start Boris, I add one filter, the Witness protection, following the tutorials on the web. The Boris UI is slightly different because I haven't found a LWKS tutorial for this filter, only for other NLEs. Also, my installation doesn't have MOCHA and most of the tutorials I've seen deal mainly with MOCHA.

Now the main problem: I add the Witness protection filter in Boris. Those three circles appear in the left region of my preview window. I can resize the circles with the visual controls, but I cannot move the placement because there is no center control to drag. Tried in Boris standalone app as well. same result.

is it a version problem? (10.6.0.427)
is it a settings problem somewhere?

Please help.
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Re: Witness protection with BorisFX 5 months, 3 weeks ago #219550

  • hugly
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Hello,

Haven't even seen the filter 'Witness Protection' before, but it appears to use the 'Motion Tracker' for positioning.

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Mocha won't work with the current Boris plugins and, Lightworks cannot import and work with tracking data from third party software, currently, as far as I'm aware of.
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Re: Witness protection with BorisFX 5 months, 3 weeks ago #219560

  • arniepix
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Just so you're aware, the version of Boris FX that's been bundled with your license for Lightworks is a legacy version. That may account for some of the differences between your version and the tutorials. The current version of Boris FX use Mocha for tracking, your version does not.

You SHOULD be able to keyframe the position of the mask without using the tracker, with or without Mocha.
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Re: Witness protection with BorisFX 5 months, 3 weeks ago #219564

  • jwrl
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It would certainly be possible to produce a witness protection effect using the Lightworks effects engine itself. The ability to generate a mosaic pattern or blur already exists, and the ability to drag position and cropping are already available. If you find Boris too unwieldy, get back to me and I'll put an effect together for you. It shouldn't take long at all.

Re: Witness protection with BorisFX 5 months, 3 weeks ago #219569

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If it helps, I've just bolted together out of a mosaic effect that I used elsewhere, part of my super blur and some other bits and pieces a witness protection effect for Lightworks called, unimaginatively, "Witness protection" (WitnessProtection.fx). It will mask areas of the frame with either blurs or mosaics which can be adjusted in size and position. The blur amount and mosaic size can also be adjusted.

You will find it here. Unfortunately I can't provide motion capture for tracking so you'll have to keyframe that, but that shouldn't be too hard because the pattern centre will display in your sequence window and can be dragged to position it. See if you think that it's useful.
Last Edit: 2 weeks, 3 days ago by jwrl.

Re: Witness protection with BorisFX 5 months, 3 weeks ago #219587

  • andrixnet
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Thank you. I'll give the effect a try as soon as possible.

Meanwhile, this is what happens to me:

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See the handle at the center of the circles? Pointed by the green arrow.
My Boris doesn't show this handle.
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Re: Witness protection with BorisFX 5 months, 3 weeks ago #219594

  • hugly
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Does that help?

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Re: Witness protection with BorisFX 5 months, 3 weeks ago #219623

  • andrixnet
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@jwrl: thanks for the .FX effect. Looks nice.
Experimenting with it and keyframing it's position though seems to be jumpy. Will try some more.

@hugly: thanks for the tutorial. More fiddling and experimenting.

Thank you.
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Re: Witness protection with BorisFX 5 months, 3 weeks ago #219660

  • jwrl
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andrixnet wrote:
keyframing it's position though seems to be jumpy.

In what way jumpy? It shouldn't be. It seems to track OK here.

If it is a concern that I have left the mosaic pattern fixed rather than track it with the mask I can easily add a switch to allow it to track or behave as it currently does. In my testing yesterday I tried both and felt that it looked better fixed. At the moment I'm exploring restructuring it slightly anyway to allow a choice of rectangular or oval masks, but that probably won't be today because I have other things on.

Re: Witness protection with BorisFX 5 months, 3 weeks ago #219688

  • andrixnet
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Further fiddling with it told me a detail about LWKS effect keyframing I either forgot or was unaware of.

method 1, jumpy results:
- set initial position, activate keyframing for X,Y
- play to next frame of interest.
- press + on the effect keyframe bar
- UI set new effect position

this way apparently 2 separate effect keyframes are created at about the same timecode. One has the previous positions X,Y, the other has the changed position. Hence the jump.

method 2, smooth results:
- set initial position, activate keyframing for X,Y
- play to next frame of interest.
- UI set new effect position
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Re: Witness protection with BorisFX 5 months, 3 weeks ago #219691

  • hugly
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Mind you, keyframes in Lightworks don't sit necessarily on frame boundaries, but the preview does, so do the regular nudge commands. This can lead to all sorts of negative side effects. The only reliable way to move between existing keyframes is using the symbols in 'Graphs' view and/or the shortcuts 'Next/Prvious keyframe'.

Please note also: The rightmost position to place a keyframe isn't the start of the last frame, but the second field of the last frame, even on progressive footage.
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Re: Witness protection with BorisFX 5 months, 3 weeks ago #219722

  • jwrl
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Method 2 is what I use normally, and what I used to test that effect. I usually add a further step. Once I have my keyframes roughed in I go into the graph display in the effects window and shift-click to enable bezier curves. Apart from smoothing the transitions between keyframes, you will often find that you need far less precision to track motion when you do that.

In other words, don't be too precise when doing your tracking. Identify motion "peaks" or key moments and set those first. Play the result, and then go back and add a few more. Continue that step-wise refinement until you have the precision that you need. With something like a witness protection effect it often doesn't pay to be incredibly precise in any case.

I'll add something similar to the above to the entry in the effects library for this effect.

Re: Witness protection with BorisFX 5 months, 3 weeks ago #219735

  • andrixnet
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Thanks
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Re: Witness protection with BorisFX 2 weeks, 4 days ago #228447

  • Torridon
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Hi Jwrl, whenever I click on your link all it takes me to is your effects page.

Re: Witness protection with BorisFX 2 weeks, 3 days ago #228457

  • jwrl
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Thanks. Broken link. You will find it here. I've also corrected it in my post above.
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