Improvements for "Video Sequencer" section #104484
@ -6,7 +6,7 @@ Introduction
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The Video Sequencer allows you to place images, videos, sounds, and scenes
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on a timeline and combine them into a new video. This section only describes its UI;
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to read more about its usage, read the :doc:`Video Editing </video_editing/index>` section.
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to read more about its usage, see the :doc:`Video Editing </video_editing/index>` section.
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Editor Layout
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@ -3,16 +3,12 @@
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Sequencer
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*********
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The Sequencer is composed of two areas (see figure 1).
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The *header* is shown in a yellow outline and the *timeline* with a red outline.
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Optional, there can be a *Toolbar* at the left and a *Sidebar* at the right; in figure 1 they are collapsed.
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The Sequencer view type shows a timeline (highlighted in red in the figure below).
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.. figure:: /images/editors_vse_sequencer.svg
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:alt: Sequencer
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Figure 1: Sequencer and components
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Although the Sidebar and Toolbar belong to the Timeline area, they are discussed in a separate section.
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Components of the Sequencer
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.. toctree::
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:maxdepth: 2
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@ -3,12 +3,22 @@
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Introduction
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************
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This Sequencer view is where strips can be :doc:`selected </video_editing/edit/montage/selecting>`,
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:doc:`modified </video_editing/edit/montage/editing>` by moving, cutting, or extending strips.
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There are also several built-in :doc:`effects </video_editing/edit/montage/strips/effects/index>`
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The Sequencer view is where all the video editing happens. It shows a stack of
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:doc:`Channels </editors/video_sequencer/sequencer/channels>`,
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which are similar to layers in an image editing program (higher channels are displayed
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in front of lower ones). Within each channel, you can create one or more
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:doc:`strips </video_editing/edit/montage/strips/introduction>`, which
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contain either a segment of video content (a rendered scene, an external video file...)
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or an :doc:`effect </video_editing/edit/montage/strips/effects/index>` (color blending,
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blurring...).
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:doc:`select </video_editing/edit/montage/selecting>` and
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:doc:`modify </video_editing/edit/montage/editing>` strips.
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There are also several built-in
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that can be combined with other strips to change their appearance.
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The Sequencer view is horizontally divided into :doc:`Channels </editors/video_sequencer/sequencer/channels>`
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The Sequencer view is horizontally divided into
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each channel can contain what is called a strip.
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A strip can be an image, animation, or any number of effects.
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Each channel is numbered consecutively on the Y axis,
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@ -18,9 +28,3 @@ as it needs as long as they do not overlap. If a strip needs to overlap another,
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it needs to be placed on a channel above or below the other strip.
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When strips are stacked, they stack from bottom to top where the lowest channel
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forms the background and the highest the foreground.
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Blendify marked this conversation as resolved
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.. note::
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The first channel 0 is unusable as a place to put strips.
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This is because it is used by the :doc:`Sequencer Display </editors/video_sequencer/preview/introduction>`
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to show a composite of all strips above channel 0.
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Reference in New Issue
Block a user
I believe this is still an important factoid and shouldn't be removed.
Thank you for reviewing. As a newcomer to Blender, I was sadly more confused than informed after reading this note.
There is no such channel. (Old Blender versions appear to have had it, but even in version 2.93, channels start at number 1)
The link is named after the "Sequencer" view type, but points to the "Preview" view type - which is it?
I've done a bunch of experimenting with the VSE already, but never saw the empty area below Channel 1 display anything.
Is this area meant to show the union of all the strips, just like the "Summary" row in the Dope Sheet editor shows the union of all the keyframes? (In which case, how do you make it display something?)
Or is it an implementation detail for the Preview pane to render the composited video? (In which case, what benefit do users get from knowing this?)