public static void computeBeginPositionChange(IConfig<?> config, Double beginPosition,
int iPosition, int jPosition, boolean deltaLock, boolean yActuator) {
// System.out.println("rangePosition " + jPosition);
// System.out.println("trajectoryPosition " + iPosition);
if (config != null) {
IDimension dimension = TrajectoryCalculator.getDimension(config, yActuator);
ITrajectory t1 = getTrajectory(config, jPosition, iPosition, yActuator);
if (t1 != null) {
double oldValue = t1.getBeginPosition();
if (oldValue != beginPosition) {
t1.setBeginPosition(beginPosition);