plane.drawValuesOnXAxis(valuesOnX);
plane.drawValuesOnYAxis(valuesOnY);
// We draw the labels
placer = new Sectors2DPlacer(labels, labelPoints);
placer.place(g2, plane.getTrueX(1) + DISTANCE_BETWEEN_GRAPH_AND_LABELS);
if (tooltip != null) {
DPoint graphPoint = plane.getGraphPointFromTruePoint(tooltip);
String content = FORMATTER.format(graphPoint.getX()) + ", "
+ FORMATTER.format(graphPoint.getY());