83 lines
2.3 KiB
HTML
83 lines
2.3 KiB
HTML
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<figure class="right">
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<img src="/images/toolbar-zoom.png" alt="Editor toolbar's zoom">
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<figcaption>
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Editor toolbar's zoom
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</figcaption>
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</figure>
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<p>
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The zoom controls allow to navigate the session along both the time
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and track axes. The controls are dscribed from right to left :
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</p>
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<h2 id="zoom-along-time-axis">Along the time axis</h2>
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<p>
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The drop down <em>Zoom Focus</em> (<kbd class="menu">Playhead</kbd>
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by default) menu allows to select a focus point for the zoom, i.e.
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the center of the zoom, to choose amongst:
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</p>
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<ul>
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<li><dfn>Left</dfn> of the screen</li>
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<li><dfn>Right</dfn> of the screen</li>
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<li><dfn>Center</dfn> of the screen</li>
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<li><dfn>Playhead</dfn></li>
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<li><dfn>Mouse</dfn></li>
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<li><dfn>Edit Point</dfn> as set in the <a href="@@edit-point-control">Edit point</a> control.</li>
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</ul>
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<p>
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The two zoom buttons (<kbd class="menu">−</kbd> and <kbd
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class="menu">+</kbd>) use this zoom focus to zoom out and in
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respectively.
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<p>
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<p>
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The <kbd class="menu">[ ]</kbd> <em>Zoom to session</em>
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button is a handy shortcut to zoom out or in until all the session
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(as defined by its <a href="@@working-with-markers">start/end
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markers</a>) fits horizontally.
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</p>
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<h2 id="zoom-along-track-axis">Along the tracks axis</h2>
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<p>
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Two buttons <kbd class="menu">Shrink tracks</kbd> and
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<kbd class="menu">Expand tracks</kbd> reduce or expand the vertical
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size of the selected tracks. If no track is selected, all the
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tracks will be shrunk or expanded each time the button is pushed.
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</p>
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<p>
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Last, the dropdown menu (<kbd class="menu">*</kbd> by default)
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allows changing the number of visible tracks to fit vertically on
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screen.
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<p>
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<p class="note">
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There <em>is</em> a minimal track height to keep it visible, so
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according to the vertical screen size, some high number can have no
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effect.
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</p>
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<p>
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Besides numbers that correspond to the number of tracks to show,
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there are two special choices:
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</p>
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<ul>
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<li>
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<dfn>Selection</dfn> that focus on the selected tracks. If
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the selected tracks are not contiguous, the unselected tracks
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inbetween will be hidden, see the <a
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href="@@the-tracks-and-busses-list">Track and Bus list</a>.
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</li>
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<li>
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<dfn>All</dfn> that fits all the tracks of the sessions
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vertically (provided there's enough screen estate).
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</li>
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</ul>
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