04 콤포지션 타임라인

Video topic

Tutorial on Composition and Timeline workflow (likely Adobe After Effects / similar motion-graphics software). Covers building a canvas/composition, then explores tools, shortcuts, layers, transforms, guides/grids, work area playback, timeline navigation, and keyframe/transition basics.

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Key technological concepts & product features

1) Composition setup (“canvas”) and sizing

• Creates a new composition/canvas with an HD size lesson setup.
• Mentions using a smaller size (referred to like “1CD” / faster) for quicker rendering while working.
• Sets up a 10-second canvas, names the composition, and sets the canvas background to black.

2) Tool switching: Selection vs Handle (H)

Introduces:

• Selection Tool (basic selection)
• Handle Tool (shortcut: H)

Workflow tip:

• Frequently switch between Selection and Handle tools.

Shortcut behavior:

• Hold Space while the cursor is in the composition tool area: handle behavior changes temporarily.
• Releasing Space returns to selection behavior.
• In the Timeline, Space acts like Play (and playback can also be done via a Preview window).

3) Preview / playback shortcuts

• Notes that many preview shortcuts exist and are shown in the UI.
• Mentions a chaser/wave icon that sounds like a “Chaser” feature (similar to position-follow preview in other editors).

4) Layers creation depends on current selection

• Explains why creating new items (e.g., a Solid) may not create a visible layer unless the correct composition/window is selected.
• Emphasizes that beginners should learn foundational shortcut-driven actions like:
  • selecting
  • layering
  • slicing
  • storing

5) Zoom and view controls

• Mouse wheel zooming.
• Keyboard zoom:
  • comma / dot for out/in (with dot described as quickly zooming in)
  • question mark resets to default/base zoom (about 100%)
• Mentions concepts like:
  • Fit vs Rapid 100% (how the canvas fills the screen)

6) Solid settings and transform controls

• To edit a created solid:
  • select the layer first
  • then open Solid Settings.
• Reset option:
  • Transform → Transform Reset restores default position/scale/rotation-style values.
• Right-click context behavior:
  • setting defaults only for position / scale / rotation individually via context menu.
• Mentions hidden/expanded options:
  • a larger Transform section reveals additional controls.

7) Text creation and text layer editing

• Text is created via a text shortcut (shown as “New Text…” or a shortcut in the UI).
• After typing:
  • switch back to the selection frame for manipulation.
• Key text properties mentioned:
  • font/character settings
  • color/visibility behavior

8) Precise movement + duplication for timing/motion

• Ctrl+D duplicates layers.
• Emphasizes precise adjustments with:
  • arrow key movement
  • fine timing/motion tweaks
• Holding Shift changes behavior (e.g., vertical-only movement).

Transform vs Transform Fine

• “Transform Fine” includes extra options such as:
  • 3D layer generation
  • effects including flipping:
    • Flip Plane
    • Vertical flip / axis changes
• Mentions right-click “Essence” type options (example: Fit Composition and other fill-related behavior).

9) Scale/transform techniques using numeric constraints

• Demonstrates exact scaling to achieve mirror/flip-like effects (example: -100%).
• Mentions manipulating vertex/control boxes to match desired outcomes.

10) Multi-composition / safe areas / guides

• Mentions “Target… Action Safe / Title Safe”-type controls:
  • outer area = Action Safe
  • inner area = Title Safe
• Notes this originates from legacy analog TV standards, but remains useful (percentages can be adjusted).
• Shows guide overlays:
  • larger grid vs a “driving ruler”-type grid
  • grid shortcut behavior supports stacking multiple grids (up to two)
• Grid units:
  • described similarly to Photoshop, with pixel-based positioning.

11) Snapping / guides and alignment behavior

• Objects “snap like a magnet” when dragged near guide elements.
• Guides can be hidden/disabled with Ctrl+L.
• Semicolon/keyboard behavior is referenced for guide/snap interaction visibility.

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Timeline workflow: Work Area and rendering only a segment

• Introduces Work Area:
  • starts as All, then is adjusted to restrict playback/rendering scope.
• Space plays/renders only the Work Area segment.
• Iterative workflow:
  1. Adjust Work Area in small steps
  2. Play/preview to check timing
  3. Repeat until timing is correct
• Keys mentioned for segment processing:
  • B sets/processes the front part (in/out-style points)
  • N sets/processes the back part (“bean/ann” style described in subtitles)

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Timeline navigation and frame-accurate editing

• Frame-by-frame movement using shortcuts:
  • Page Down and related variations (including with Ctrl)
• Frame-accurate stepping:
  • Ctrl+Shift + arrow keys for “real frame time” behavior
• Mentions an example:
  • if frame rate wasn’t working, set to 30 fps
• Mentions “Shift on the bar” for setting reference points.
• Explains that:
  • “frame count” vs “actual visible time” can differ based on how the UI defines a frame
  • includes discussion of blocks/lines and why “frame 1” may not behave like a simple line.

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Keyframe in/out: tightening, widening with wipe/open/close

• Trimming behaviors using brackets and modifiers:
  • Alt + [ / ]-type actions to tighten/expand a layer segment
• Concepts covered:
  • Open / Close (controls where the effect reveals/conceals)
  • Wipe behavior changes depending on the time bar position (determines whether it expands or shrinks)
• Notes these workflows require multiple shortcuts and careful cursor positioning.

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Importing still images as sequences + keyframe assistant

• Demonstrates importing multiple short photos and converting them into a frame sequence with consistent timing (e.g., 1s / 2s segments).
• Keyframe Assistant:
  • right-click → Keyframe Assistant
  • generates continuous sequences automatically
• Undo workflow:
  • uses History
  • reversed via Ctrl+Shift+… (as described in subtitles)

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Layering logic and transitions

• Compositing principle:
  • top layer dominates
  • lower layers become visible after upper layers disappear.
• Transition example:
  • starts with something like a cross dissolve
  • discusses fade behavior via transparency/opacity (including mentions of 50% then 5% transparency)
• Includes a debugging note:
  • an error from applying dissolve/opacity setup in the wrong stacking order
  • spreading keyframes helps debug visually.

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Review / guide tutorial takeaways emphasized

• Practice heavily the core shortcuts:
  • selection, tools, zoom, duplication, timeline navigation
• Work iteratively:
  • set Work Area → preview with Space → adjust again
• Prefer precise numeric settings over eyeballing when accuracy matters.
• Use guides/grids/safe areas for consistent alignment.
• Learn differences and navigation modes:
  • Transform vs Transform Fine
  • frame navigation modes using Ctrl / Shift / page keys
  • timeline trimming with brackets + Alt modifiers

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Main speakers / sources

• Primary speaker: an instructor/teacher (unnamed in subtitles), guiding the tutorial step-by-step.
• Sources: the lesson content comes from the instructor; no external named sources or guest speakers appear in the subtitles.