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<!--
- * Jalview - A Sequence Alignment Editor and Viewer (Version 2.6.1)
- * Copyright (C) 2010 J Procter, AM Waterhouse, G Barton, M Clamp, S Searle
+ * Jalview - A Sequence Alignment Editor and Viewer (Version 2.8.1)
+ * Copyright (C) 2014 The Jalview Authors
*
* This file is part of Jalview.
*
* Jalview is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
- *
+ *
* Jalview is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with Jalview. If not, see <http://www.gnu.org/licenses/>.
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
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<head>
<title>Sequence Feature Settings Dialog Box</title>
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><strong><em>Feature settings pop-up menu</em></strong><br>
+ <p>
+ <a name="selectbyfeature"><strong><em>Selecting
+ alignment columns by feature</em></strong></a><br> <strong>Double-clicking
+ a feature type</strong> 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 toggle the type of colouring used for the feature.