+ * Sorts by sequence length
+ *
+ * @param align
+ * The alignment object to sort
+ */
+ public static void sortByLength(AlignmentI align)
+ {
+ int nSeq = align.getHeight();
+
+ float[] length = new float[nSeq];
+ SequenceI[] seqs = new SequenceI[nSeq];
+
+ for (int i = 0; i < nSeq; i++)
+ {
+ seqs[i] = align.getSequenceAt(i);
+ length[i] = (seqs[i].getEnd() - seqs[i].getStart());
+ }
+
+ QuickSort.sort(length, seqs);
+
+ if (sortLengthAscending)
+ {
+ setReverseOrder(align, seqs);
+ }
+ else
+ {
+ setOrder(align, seqs);
+ }
+
+ sortLengthAscending = !sortLengthAscending;
+ }
+
+ /**