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some updates for grid & snap for the 6.0 release

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Paul Davis 2020-05-23 16:35:05 -06:00
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include/grid-controls.html
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@ -6,27 +6,44 @@
</figcaption> </figcaption>
</figure> </figure>
<p>
Ardour's editor utilizes a <dfn>grid</dfn> to assist in the placement of regions
on the timeline, or with editing functions that need to happen at a specific
point in time. This <dfn>snapping</dfn> of the cursor and various objects to the <h2> What is “Snap” and “Grid”?</h2>
grid can be toggled on or off, as does its behaviour, and grid units.
</p> “Snap” will cause drags and other mouse-driven operations to jump to
positions determined by the nearest snap setting. Snap can be set to
multiple options: markers, region start/ends, and the grid. ( those
are all enabled by default. change them in prefs )
Grid can be enabled, and it will draw lines at selected intervals;
which can be musical, like 16th notes, or can be timecode based
(minutes and seconds) . You can leave the Grid enabled, but snap
disabled, if you just want to see the lines but not snap to them.
For example: if the Grid is set to “beats” and Snap-to-grid is
enabled, then any operations such as split, paste, or range-select
will happen exactly on a beat, according to the musical timeline and
tempo.
Alternatively, you can leave “Snap” enabled (so your mouse actions
can snap to Markers, or region edges) but disable the Grid.
<h2>About Snapping</h2> <h2>About Snapping</h2>
<p> <p>
There are two ways to think about aligning material to a grid. The first and There are two ways to think about aligning material. The first and
most obvious one is where an object's position is clamped to grid lines. In most obvious one is where an object's position is clamped to the
Ardour, this is called <dfn>absolute snap</dfn> and is commonly used when snap positions. In Ardour, this is called <dfn>absolute snap</dfn>
working with sampled material where audio begins exactly at the beginning of a and is commonly used when working with sampled material where audio
file, note or region. begins exactly at the beginning of a file, note or region.
</p> </p>
<p> <p>
The second, <dfn>relative snap</dfn>, is used when an object's position relative The second, <dfn>relative snap</dfn>, is used when an object's
to the grid lines is important. In music, this allows to move objects around position relative to the snap positions is important. In music, this
without changing the "feel" (or timing) of a performance. allows to move objects around without changing the "feel" (or
timing) of a performance.
</p> </p>
<p> <p>
@ -65,6 +82,18 @@
class="mod2n"></kbd> and <kbd class="mod4n"></kbd> keys. class="mod2n"></kbd> and <kbd class="mod4n"></kbd> keys.
</p> </p>
<h2>A Warning, of sorts</h2>
<p class="warning">
The grid consist of lines running vertically in the edit canvas. If
you zoom too far out, you might see a coarser grid than you
expect. Ardour tries not to show “too many” or “too few” grid lines
depending on the zoom level. You might find that items snap in-between
the grid lines sometimes. That’s expected behavior. If you can’t see
or snap to the grid you’d like to use, you may have to zoom in or out.
</p>
<h2>Snap Modes</h2> <h2>Snap Modes</h2>
<p> <p>