1=if (metier.getGearParameterValueAsDouble()<=62.5) return (1/(1+(Math.exp(-2.6*(group.getLength()-18.47)))));else if (metier.getGearParameterValueAsDouble()<=75) return (1/(1+(Math.exp(-3.1*(group.getLength()-22.175)))));else if (metier.getGearParameterValueAsDouble()<=87.5) return (1/(1+(Math.exp(-3.6*(group.getLength()-25.9)))));else if (metier.getGearParameterValueAsDouble()<=100) return (1/(1+(Math.exp(-4.1*(group.getLength()-29.6)))));else return  1;
2=if (metier.getGearParameterValueAsDouble()<=75) return (1/(1+(Math.exp(-3.1*(group.getLength()-22.17)))));else if (metier.getGearParameterValueAsDouble()<=90) return (1/(1+(Math.exp(-3.7*(group.getLength()-26.61)))));else if (metier.getGearParameterValueAsDouble()<=105) return (1/(1+(Math.exp(-4.3*(group.getLength()-31.1)))));else if (metier.getGearParameterValueAsDouble()<=120) return (1/(1+(Math.exp(-4.9*(group.getLength()-35.5)))));else return  1;
