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+ * Jalview - A Sequence Alignment Editor and Viewer (Version 2.8.2)
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<head>
<title>Sequence Feature Settings Dialog Box</title>
</head>
<p>The top section of the dialog box lists all the sequence feature
groups, along with a tickbox for each that controls whether its features
are displayed. The table in the middle lists all the features in the
-currently selected groups, along with their display colour and whether
+currently selected groups, along with their display style and whether
they are currently being displayed (only the ticked features and groups
-are displayed). <strong><em>You can change the colour used
-for a feature in the associated alignment by clicking on its colour box.</em></strong></p>
-<p><strong><em>Feature settings pop-up menu</em></strong><br>
+are displayed). <strong><em>You can change the colour or
+shading style used for a feature in the associated alignment by clicking
+on its colour box.</em></strong></p>
+ <p>
+ <a name="selectbyfeature"><strong><em>Selecting
+ alignment columns by feature</em></strong></a><br> <strong>Double-clicking
+ a feature type</strong> in the <strong>Feature
+ Settings</strong> dialog allows you to select columns in the
+ alignment that contain (or do not contain) features of that type. If a
+ region of the alignment is currently selected, then only features in
+ the current selection will be searched. The following keys affect the
+ way in which selections are made:<ul>
+ <li>Hold down <strong>Alt</strong> to select columns not
+ containing features of a particular type.
+ </li>
+ <li>Hold down <strong>Shift</strong> to add columns to the
+ current selection.
+ </li>
+ <li>Press <strong>Command/Windows key</strong> to toggle column
+ selection state (XOR)
+ </li>
+ </ul>
+ Options are also provided in the feature's pop-up menu (see below).
+ <br />
+ <em>Select columns by feature was added in Jalview 2.8.1</em>
+ </p>
+ <p><strong><em>Feature settings pop-up menu</em></strong><br>
<strong>Right-click</strong> on a feature to open a pop-up menu that
allows you to sort the alignment or current selection using that feature
-type (see below), or create a <a href="featureschemes.html">feature
-colourscheme</a> based on either the scores associated with that feature or
-from the feature's description (e.g. to distinguish different names
-associated with a DOMAIN feature).</p>
+type (see below), or toggle the type of colouring used for the feature.
+Features may be highlighted with either a single colour or a <a
+ href="featureschemes.html">feature colourscheme</a> based on either the
+scores associated with that feature or from the feature's description
+(e.g. to distinguish different names associated with a DOMAIN feature).</p>
<p><strong>Ordering alignment by features</strong><br>
The 'Seq Sort by Score' and 'Seq Sort by Density' buttons will sort the
alignment based on the average score or total number of currently active