seqmap = new TieredNeoMap(true, false);
seqmap.enableDragScrolling(true);
seqmap.setReshapeBehavior(NeoAbstractWidget.X, NeoAbstractWidget.FITWIDGET);
seqmap.setReshapeBehavior(NeoAbstractWidget.Y, NeoAbstractWidget.FITWIDGET);
seqmap.setMapOffset(0, seqmap_pixel_height);
axismap = new NeoMap(false, false);
axismap.setMapColor(col_axis_bg);
axismap.setMapOffset(0, axis_pixel_height + seq_pixel_height
+ upper_white_space + middle_white_space
+ lower_white_space);
JScrollBar y_scroller = new JScrollBar(JScrollBar.VERTICAL);