} else {
line = axisConfig.copy();
chart.addSprite(line);
lines.add(line);
}
line.clearCommands();
line.addCommand(new MoveTo(centerX, centerY));
line.addCommand(new LineTo(centerX + rho * Math.cos(i / length * pi2), centerY + rho * Math.sin(i / length * pi2)));
line.addCommand(new ClosePath());
line.redraw();
}