- the similarity space. The colour of each sequence point is the same
- as the sequence group colours, white if no colour has been
- defined for the sequence, and green if the sequence is part of a
- the currently selected group.
-</p>
- <p>The 3d view can be rotated by dragging the mouse with the
- <strong>left mouse button</strong> pressed. The view can also be
- zoomed in and out with the up and down <strong>arrow
- keys</strong> (and the roll bar of the mouse if present). Labels
- will be shown for each sequence if the entry in the View menu is
- checked, and the plot background colour changed from the
- View→Background Colour.. dialog box. The File menu allows the
- view to be saved (File→Save submenu) as an EPS or PNG image or
- printed, and the original alignment data and matrix resulting from
- its PCA analysis to be retrieved.
-</p>
- </p>
+the similarity space, as points in a rotateable 3D scatterplot. The
+colour of each sequence point is the same as the sequence group colours,
+white if no colour has been defined for the sequence, and green if the
+sequence is part of a the currently selected group.</p>
+<p>The 3d view can be rotated by dragging the mouse with the <strong>left
+mouse button</strong> pressed. The view can also be zoomed in and out with the up
+and down <strong>arrow keys</strong> (and the roll bar of the mouse if
+present). Labels will be shown for each sequence if the entry in the
+View menu is checked, and the plot background colour changed from the
+View→Background Colour.. dialog box. The File menu allows the view
+to be saved (<strong>File→Save</strong> submenu) as an EPS or PNG
+image or printed, and the original alignment data and matrix resulting
+from its PCA analysis to be retrieved. The coordinates for the whole PCA
+space, or just the current view may also be exported as CSV files for
+visualization in another program or further analysis.</p>