- * Returns features at the specified aligned column on the given sequence.
- * Non-positional features are not included. If the column has a gap, then
- * enclosing features are included (but not contact features).
+ * Returns visible features at the specified aligned column on the given
+ * sequence. Non-positional features are not included. If the column has a gap,
+ * then enclosing features are included (but not contact features).
* <li>feature group is not visible, or</li>
* <li>feature values lie outside any colour threshold, or</li>
* <li>feature is excluded by filter conditions</li>
* </ul>
* <li>feature group is not visible, or</li>
* <li>feature values lie outside any colour threshold, or</li>
* <li>feature is excluded by filter conditions</li>
* </ul>