• Create BookmarkCreate Bookmark
  • Create Note or TagCreate Note or Tag
  • PrintPrint
Share this Page URL
Help

Trimming a layer

The original duration of the Sugar.mov footage item is 34 seconds, 8 frames. You need only a small section of video for your bumper, so you're going to set a new duration for the layer by trimming the layer in the Layer window. Trimming refers to the subtracting of frames to change a layer's duration.

Notice that the time ruler in the Layer window spans from 0 to 34 seconds, reflecting the entire duration of the source footage. Also note that just as in the Time Layout window, each end of the layer's duration bar has triangular handles indicating the layer's In and Out points.

Figure . A. In point B. Out point


  1. In the Layer window, set the current time to 06:12. You can set the current time by dragging the current-time marker in the Layer window as you would in the Time Layout window, or by clicking the time display button at the bottom of the Layer window.


    Figure .


    The video changes to reflect the new point in time.

  2. To set the new In point to 06:12, click the In button. The layer's In point on the left moves in to the current-time marker at 06:12.

    Figure . In button

  3. Take a look at the Time Layout window and notice that the new In point is automatically positioned at the beginning of the composition, at frame 00:00. The first 6 seconds and 11 frames of the original source video have been subtracted from the layer and the layer has been repositioned to maintain its designated In point of 00:00 in the composition.

    The Layer window and the Time Layout window reflect time in two different contexts—the Layer window shows the duration and In and Out points relative to the original footage item itself, and the Time Layout window displays them in relation to the composition.

    You can also trim a layer in the Time Layout window by dragging the triangular handle at either end of the layer duration bar.

  4. To experiment with trimming the layer in the Layer window, position the current-time marker in the Layer window at 14:12, and then drag the layer's Out-point handle left to the current-time marker. Watch the Info palette as you drag to see the current frame for the Out point.


    Figure .


    The duration of the footage item is now set to 8 seconds and 1 frame, as you can see in the Layer window's duration display. Trimming a footage item does not affect the length of the original source footage; it merely suppresses frames at the beginning or end of a layer. If you use the footage item twice in a project, you can trim the item two different ways by using each layer's individual Layer windows.

  5. Take a look at the Time Layout window, and notice that the layer duration bar reflects the changes you just made. On the right side, the Out point is now positioned at 8:01. Also notice the light-shaded area beyond the right end of the layer duration bar. This shaded area indicates the suppressed frames of the layer.

    Figure . Suppressed frames

  6. In the Time Layout window, drag the triangular Out-point handle at the right end of the Sugar.mov layer duration bar to the end of the composition, at 11 seconds.


    Figure .


    If you drag the layer duration bar and not the triangular handle, you will move the layer duration bar instead of changing the duration of the layer.

  7. After you trim the layer, examine the Layer window. The changes you just made are reflected in the Layer window. The final duration of the layer is approximately 11:00.

  8. Close the Layer window.

  • Creative Edge
  • Create BookmarkCreate Bookmark
  • Create Note or TagCreate Note or Tag
  • PrintPrint