Almost all columns in the sequence display have an associated Method
object. There is a tag in this method object
Right_priority <float>
The columns are sorted left to right on the value of this tag. This
makes it easy to add another column. If the values are within 0.01
then the columns are drawn on top of each other (can be useful if
there is a really large number of columns). There are also tags
Max_mag UNIQUE Float // don't show if more bases per line
Min_mag UNIQUE Float // don't show if fewer bases per line
in the Method class that, at least with recent versions of the code,
allow you to control at what range of zoom levels a column is shown.
We are working on storing specific configurations in View objects,
though not quite in the same way as with Maps.
Richard
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