3 <img src="/images/toolbar-zoom.png" alt="Editor toolbar's zoom">
10 The zoom controls allow to navigate the session along both the time
11 and track axes. The controls are dscribed from right to left :
14 <h2 id="zoom-along-time-axis">Along the time axis</h2>
17 The drop down <em>Zoom Focus</em> (<kbd class="menu">Playhead</kbd>
18 by default) menu allows to select a focus point for the zoom, i.e.
19 the center of the zoom, to choose amongst:
23 <li><dfn>Left</dfn> of the screen</li>
24 <li><dfn>Right</dfn> of the screen</li>
25 <li><dfn>Center</dfn> of the screen</li>
26 <li><dfn>Playhead</dfn></li>
27 <li><dfn>Mouse</dfn></li>
28 <li><dfn>Edit Point</dfn> as set in the <a href="@@edit-point-control">Edit point</a> control.</li>
32 The two zoom buttons (<kbd class="menu">−</kbd> and <kbd
33 class="menu">+</kbd>) use this zoom focus to zoom out and in
38 The <kbd class="menu">[ ]</kbd> <em>Zoom to session</em>
39 button is a handy shortcut to zoom out or in until all the session
40 (as defined by its <a href="@@working-with-markers">start/end
41 markers</a>) fits horizontally.
44 <h2 id="zoom-along-track-axis">Along the tracks axis</h2>
47 Two buttons <kbd class="menu">Shrink tracks</kbd> and
48 <kbd class="menu">Expand tracks</kbd> reduce or expand the vertical
49 size of the selected tracks. If no track is selected, all the
50 tracks will be shrunk or expanded each time the button is pushed.
54 Last, the dropdown menu (<kbd class="menu">*</kbd> by default)
55 allows changing the number of visible tracks to fit vertically on
60 There <em>is</em> a minimal track height to keep it visible, so
61 according to the vertical screen size, some high number can have no
66 Besides numbers that correspond to the number of tracks to show,
67 there are two special choices:
72 <dfn>Selection</dfn> that focus on the selected tracks. If
73 the selected tracks are not contiguous, the unselected tracks
74 inbetween will be hidden, see the <a
75 href="@@the-tracks-and-busses-list">Track and Bus list</a>.
78 <dfn>All</dfn> that fits all the tracks of the sessions
79 vertically (provided there's enough screen estate).