+ return getSequencesInOrder(al, true);
+ }
+
+ /**
+ * return an array representing the intersection of the group with al,
+ * optionally returning an array the size of al.getHeight() where nulls mark
+ * the non-intersected sequences
+ *
+ * @param al
+ * @param trim
+ * @return null or array
+ */
+ public SequenceI[] getSequencesInOrder(AlignmentI al, boolean trim)
+ {