static void getLevels(int dust, bool flag) {



    switch(true)
    {
      case (dust == 200 && flag):
        {
          levels=[0.0940000,0.1351374,0.1663979,0.1926509];
          break;
        }
      case dust == 200 && !flag :
        {
          levels=[0.0940000,0.1663979];
          break;
        }
      case dust == 400 && flag:
        {
          levels=[0.2157325,0.2365727,0.2557201,0.2735304];
          break;
        }
      case dust == 400 && !flag :
        {
          levels=[0.2157325,0.2557201];
          break;
        }
      case dust == 600 && flag:
        {
          levels=[0.2902499,0.3060574,0.3210876,0.3354450];
          break;
        }
      case dust == 600 && !flag :
        {
          levels=[0.2902499,0.3210876];
          break;
        }
      case dust == 800 && flag :
        {
          levels=[0.3492127,0.3624578,0.3752356,0.3875924];
          break;
        }
      case dust == 800 && !flag:
        {
          levels=[0.3492127,0.3752356];
          break;
        }
      case dust == 1000 && flag:
        {
          levels=[0.3995673,0.4111936,0.4225000,0.4329264];
          break;
        }
      case dust == 1000 && !flag :
        {
          levels=[0.3995673,0.4225000];
          break;
        }
      case dust == 1300 && flag :
        {
          levels = [0.4431076,0.453059959102438,0.46279839,0.472336083166946];
          break;
        }
      case dust == 1300 && !flag :
        {
          levels = [0.4431076,0.46279839];
          break;
        }
      case dust == 1600 && flag:
        {
          levels=[0.4816850,0.4908558,0.4998584,0.5087018];
          break;
        }
      case dust == 1600 && !flag:
        {
          levels=[0.4816850,0.4998584];
          break;
        }
      case dust == 1900 && flag :
        {
          levels=[0.5173940,0.5259425,0.5343543,0.5426358];
          break;
        }
      case dust == 1900 && !flag :
        {
          levels=[0.5173940,0.5343543];
          break;
        }
      case dust == 2200 && flag :
        {
          levels=[0.5507927,0.5588306,0.5667545,0.5745692];
          break;
        }
      case dust == 2200 && !flag :
        {
          levels=[0.5507927,0.5667545];
          break;
        }
      case dust == 2500 && flag :
        {
          levels=[0.5822789,0.5898879,0.5974000,0.6048188];
          break;
        }
      case dust == 2500 && !flag :
        {
          levels=[0.5822789,0.5974000];
          break;
        }
      case dust == 3000 && flag :
        {
          levels=[0.6121573,0.6194041,0.6265671,0.6336492];
          break;
        }
      case dust == 3000 && !flag :
        {
          levels=[0.6121573,0.6265671];
          break;
        }
      case dust == 3500 && flag:
        {
          levels=[0.6406530,0.6475810,0.6544356,0.6612193];
          break;
        }
      case dust == 3500 && !flag:
        {
          levels=[0.6406530,0.6544356];
          break;
        }
      case dust == 4000 && flag:
        {
          levels=[0.6679340,0.6745819,0.6811649,0.6876849];
          break;
        }
      case dust == 4000 && !flag:
        {
          levels=[0.6679340,0.6811649];
          break;
        }
      case dust == 4500 && flag:
        {
          levels=[0.6941437,0.7005429,0.7068842,0.7131691];
          break;
        }
      case dust == 4500 && !flag:
        {
          levels=[0.6941437,0.7068842];
          break;
        }
      case dust == 5000 && flag :
        {
          levels=[0.7193991,0.7255756,0.7317000,0.7347410];
          break;
        }
      case dust == 5000 && !flag :
        {
          levels=[0.7193991,0.7317000];
          break;
        }
      case dust == 6000 && flag:
        {
          levels=[0.7377695,0.7407856,0.7437894,0.7467812];
          break;
        }
      case dust == 6000 && !flag:
        {
          levels=[0.7377695,0.7437894];
          break;
        }
      case dust == 7000 && flag:
        {
          levels=[0.7497610,0.7527291,0.7556855,0.7586304];
          break;
        }
      case dust == 7000 && !flag:
        {
          levels=[0.7497610,0.7556855];
          break;
        }
      case dust == 8000 && flag :
        {
          levels=[0.7615638,0.7644861,0.7673972,0.7702973];
          break;
        }
      case dust == 8000 && !flag :
        {
          levels=[0.7615638,0.7673972];
          break;
        }
      case dust == 9000 && flag :
        {
          levels=[0.7731865,0.7760650,0.7789328,0.7817901];
          break;
        }
      case dust == 9000 && !flag :
        {
          levels=[0.7731865,0.7789328];
          break;
        }
      case dust == 10000 && flag :
        {
          levels=[0.7846370,0.7874736,0.7903000,0.7931164];
          break;
        }
      case dust == 10000 && !flag :
        {
          levels=[0.7846370,0.7903000];
          break;
        }
      default:
        {
          break;
        }
    }

  }