void getCenter(double& x, double& y, double& z);
virtual void setInicPoint(double& x, double& y, double& z);
virtual void setFinalPoint(double& x, double& y, double& z);
void getCenter(double& x, double& y, double& z);
virtual void setInicPoint(double& x, double& y, double& z);
virtual void setFinalPoint(double& x, double& y, double& z);