“Tracks” are rows of information that can be displayed or hidden, as desired, in the Overview and Sequences view. Tracks can pertain to a header, footer, or individual sequence row. The following video provides a brief overview of how tracks are used in MegAlign Pro:
The following tracks can be applied, removed or (in most cases) edited:
- Consensus Match
- Sequence Logo
- GC Content
- Gap Fraction
- Pairwise Match Bar
The following table shows tasks that affect the display of tracks within the Overview and Sequences views:
|To create tracks||Track data can be imported automatically with some types of sequence data (e.g., Feature tracks), or can be calculated by the application itself (e.g., Ruler and Numeric tracks).|
|To display tracks in the views||To display any type of track, you must check the box next to the name of the track in the Tracks panel. This is the only condition needed to view a Ruler track. For any type of track other than a Ruler, you must also expand the track as described below.|
|To expand/collapse tracks for selected sequences|| Do any of the following:
|To expand/collapse tracks for all sequences in a particular view|| Ensure that no sequences are selected.
|To hide tracks|| Do one of the following:
|To access the options for a particular type of track|| Do either of the following:
|To change the order of all tracks in a view||Open a sequence row to view its track. Then drag a track label (e.g. “Features”) to the desired position among the other tracks and drop it there. Note that if you turn off some tracks in the Tracks panel and add them again later, they will appear in the order in which their boxes were checked.|
|To increase/decrease the vertical height of a visible track|| Hover the mouse over the bottom of the track in the Overview or Sequences view, then grab the resize bar and drag it up or down.
|To see how the zoom level can affect the appearance of tracks||See Zoom in or out on a view.|
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