- int seqStartCol = seq.findIndex(seq.getStart());
- int seqEndCol = seq.findIndex(seq.getStart() + seq.getLength() - 1);
+ /*
+ * get start / end columns of sequence and convert to base 0
+ * (so as to match the visible column ranges)
+ */
+ int seqStartCol = seq.findIndex(seq.getStart()) - 1;
+ int seqEndCol = seq.findIndex(seq.getStart() + seq.getLength() - 1) - 1;