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J
JAH_1
Known Participant
July 10, 2017
Frage

Is there "center" feature in Pr?

  • July 10, 2017
  • 3 Antworten
  • 6543 Ansichten

Is there a feature in Pr that will allow me to choose a point on a source frame and then Pr will “track” or center that point in the frames that follow as if I had manually changed the X/Y position of the source a frame at a time?

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3 Antworten

R
Community Expert
RobShultzCommunity Expert
Community Expert
July 10, 2017

Or use point tracking in After Effects and save yourself a ton of time and grief.

J
JAH_1Autor
Known Participant
July 10, 2017

RobShultz  wrote

Or use point tracking in After Effects and save yourself a ton of time and grief.

Thank Rob, That looks like what I need...

Stabilizing footage to hold a moving object stationary in the frame to examine how a moving object changes over time, which can be useful in scientific imaging work.

...but have no experice with After Effects. How is it used with Pr?

    D
    David Arbor
    Inspiring
    July 10, 2017

    It’s not in Premiere. I linked to the After Effects help article for the

    point tracker above.

    R
    Community Expert
    RobShultzCommunity Expert
    Community Expert
    July 10, 2017

    You can highlight the clip in the timeline, go to the effect controls panel and select the word motion. When you do this you will see the blue circle (Anchor Point) and you can drag the Anchor Point on to the point that you want to be fixed. This will do it for that clip in the timeline. If you need to apply this to other clips in the timeline you can select the modified clip. Copy it (Edit/Copy) and paste attributes, (Edit/Paste Attributes) on to the other clips; make sure that the motion tab is selected.in the paste attributes box.

    J
    JAH_1Autor
    Known Participant
    July 10, 2017

    I use that all the time, not what I'm asking about.

    D
    David Arbor
    Inspiring
    July 10, 2017

    We're trying to help, but clearly we're all having difficulty understanding. Can you provide an example of someone else doing this and maybe we can reverse engineer how it was done?

    D
    David Arbor
    Inspiring
    July 10, 2017

    I'm not sure I understand the question, or what it is you're trying to achieve, but Premiere does have a mask tracker, which is detailed here: Masking and Tracking in Premiere Pro

    This tracker allows you to do things like create an effect, mask it out, and then track an object. A simple and common example is blurring a face or license plate. You could add a blur effect to your video, mask out the face or license plate, and then track that mask.

    If you're looking for a point tracker to attach a layer to the tracked point then you can use After Effects for that: Tracking and stabilization motion workflows in After Effects

    J
    JAH_1Autor
    Known Participant
    July 10, 2017

    Masking and Tracking is similar concept, but instead of moving the mask to follow the license plate what I'm asking for would move the frame. If it where a mask it would stay fixed in the frame. I would think it would actually be easier to do, but I have no idea what the feature would be called or if it even exist

    D
    David Arbor
    Inspiring
    July 10, 2017

    What exactly are you trying to achieve? Maybe that will help me provide a better solution. It almost sounds like you're trying to stabilize something, in which case the Warp Stabilizer set to No Motion (rather than the default Smooth Motion) might accomplish what you're trying to do. If you shut off the automatic cropping you'll see black around your frame, but you'll also see that the image itself appears to be staying put. It's kinda trippy.

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