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Pre-trimming and inserting layers from the Footage panel

From: After Effects Apprentice 04: Layer Control

Video: Pre-trimming and inserting layers from the Footage panel

You can also trim source material before you add it to a composition. Again, that's another concept that editors may be more familiar with. I am going to click to my Timeline by deleting one of my layers and re-trim it so I see a little more source material here and here and use that as the starting point. Let's say I decide that I would like to insert another clip right at this point in my overall composition where this plane is touching down. To do that, I'll go to my Project panel which holds my source materials, and in the Exercise Files that came with this project I'll twirl open Sources, pick the Clock+Skyline movie and in After Effects CS5 I will double-click it to open it up in its Footage panel, which I am going to go to dock in the same frame as the Comp and Layer panels.

Pre-trimming and inserting layers from the Footage panel

You can also trim source material before you add it to a composition. Again, that's another concept that editors may be more familiar with. I am going to click to my Timeline by deleting one of my layers and re-trim it so I see a little more source material here and here and use that as the starting point. Let's say I decide that I would like to insert another clip right at this point in my overall composition where this plane is touching down. To do that, I'll go to my Project panel which holds my source materials, and in the Exercise Files that came with this project I'll twirl open Sources, pick the Clock+Skyline movie and in After Effects CS5 I will double-click it to open it up in its Footage panel, which I am going to go to dock in the same frame as the Comp and Layer panels.

By the way, in After Effects CS4 or earlier double-clicking a QuickTime mov would open it up. In a simplified QuickTime Player, if you still want that behavior, if you still want to see the source inside QuickTime, now as of CS5 you need to hold down Option or Alt when you double-click it. I like this better because double-clicking just gets me right into my Footage panel. While I am in the Footage panel I am looking at the source before it is being used in a composition. I am going to go ahead and drag my time indicator to pick where I want to send my in point to be.

Maybe right at the top of 9 o'clock there, trim my in point to start there, decide where I want it to be out, maybe this next hour which looks to be around 11 o'clock, trim my out point there. Now, I have some choices. My target is my currently forward composition and I can do one of two things. I can do an overlay edit or a ripple insert edit. If I do an overlay edit, I will add this source to the composition pre-trimmed the way I had in Footage panel, beginning at the current time indicator.

So just as that plane touches down I cut to my clock and go back to the plane. I am going to undo, go back to my Footage panel. An alternative is to instead do a ripple insert edit. That says put this new source at the Current Time Indicator but split any layers at the Current Time Indicator and move all later layers back later in time by the duration of this new source. I'll click the button and you'll see down here now I've added my new source but I've split this Jet Landing layer, moved that new segment as well as the Cityscape later in time.

So now my edit goes plane is about to touch down, I switch to the clock and I switch back to that plane just as it did touch down. So you can either overlay without moving anyone else, or ripple insert where you do move other layers later in time. Again, this is probably a concept that editors would be very comfortable with. So we've covered trimming layers in the Timeline panel, the Layer panel, and [00:03:02.20 the Footage panel. But there is one more editing operation I want to show you in the next movie, and that's slip editing layers.

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Image for After Effects Apprentice 04: Layer Control
After Effects Apprentice 04: Layer Control

38 video lessons · 12024 viewers

Chris Meyer and Trish Meyer
Author

 
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  1. 3m 20s
    1. Overview
      1m 20s
    2. Using the exercise files
      2m 0s
  2. 23m 19s
    1. Stacking and sliding layers
      5m 23s
    2. Trimming layers in the Timeline panel
      5m 45s
    3. Trimming in the Layer panel
      3m 31s
    4. Pre-trimming and inserting layers from the Footage panel
      3m 20s
    5. Slip editing
      5m 20s
  3. 12m 13s
    1. Applying sequence layers to footage
      4m 45s
    2. Using sequence layers with objects
      2m 14s
    3. Example: Sequence layers and photographs
      2m 20s
    4. Creating a new composition using sequence layers
      1m 35s
    5. Understanding the importance of layer order
      1m 19s
  4. 17m 20s
    1. Looping footage
      3m 15s
    2. Importing a sequence of still images
      4m 30s
    3. Using Time Stretch vs. altering frame rates
      3m 23s
    4. Frame blending
      6m 12s
  5. 19m 1s
    1. Overview of blending modes
      7m 5s
    2. Combining modes and effects
      4m 45s
    3. Why apply effects to solids?
      7m 11s
  6. 22m 2s
    1. Using the Effects & Presets panel
      5m 3s
    2. Applying presets
      5m 34s
    3. Working with behaviors
      3m 2s
    4. Creating and saving presets
      8m 23s
  7. 7m 55s
    1. Importing Photoshop files with layer styles
      4m 7s
    2. Applying layer styles inside After Effects
      3m 48s
  8. 9m 27s
    1. Using adjustment layers
      3m 17s
    2. Working with adjustment layers and alpha channels
      3m 14s
    3. Applying a filmic glow treatment
      2m 56s
  9. 6m 50s
    1. Quizzler challenges
      1m 16s
    2. Quizzler solution one: Pyrotechnic composite
      3m 7s
    3. Quizzler solution two: Sequenced fades
      2m 27s
  10. 11m 51s
    1. Idea corner one: Adjustment layer shapes
      1m 55s
    2. Idea corner two: Creating a traveling glass bar
      4m 12s
    3. Idea corner three: Creating sequences from filmstrips
      5m 44s
  11. 27m 23s
    1. Looping footage by crossfading
      5m 20s
    2. Working with effect point paths
      5m 12s
    3. Brainstorming
      7m 19s
    4. Working with pixel aspect ratios
      9m 32s

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