private void selectFocus() {
Point3D p = new Point3D(0, 0, 0);
Nucleotide n =
selectionModel
.getItems()[
selectionModel
.getSelectedIndices()
.get(selectionModel.getSelectedIndices().size() - 1)];
p = p.add(utils.fx3d.computeCenter(n.getNucleotideCoordinates()));
p = p.add(utils.fx3d.computeCenter(n.getBaseCoordinates()));
p = p.multiply(1 / ((double) 2));
// fx3d.transiteFromTOo(tertiaryRoom.getCamera(), p);
tertiaryRoom.setCameraCenter(p);
}