}
private void updateLine(final double posX, final double posY, final double minX, final double maxX, final double step) {
final IPolyline pl = ShapeFactory.createPolyline();
pl.copy(shape);
if(lineView!=null) lineView.flush();
lineView = new LPolylineView(pl);
fillPoints(pl, posX, posY, minX, maxX, step);
lineView.update();
}