int middleColumn = getStartRes() + (getEndRes() - getStartRes()) / 2;
final HiddenSequences hiddenSequences = getAlignment()
.getHiddenSequences();
- for (int seqNo = getStartSeq(); seqNo < getEndSeq(); seqNo++, seqOffset++)
+
+ /*
+ * searching to the bottom of the alignment gives smoother scrolling across all gapped visible regions
+ */
+ int lastSeq = alignment.getHeight() - 1;
+ for (int seqNo = getStartSeq(); seqNo < lastSeq; seqNo++, seqOffset++)
{
sequence = getAlignment().getSequenceAt(seqNo);
if (hiddenSequences != null && hiddenSequences.isHidden(sequence))