public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            float servoBat    = (float)value;
            float servoBatMax = 12f;
            float servoBatMin = 16.8f;
            float renkMax     = 120;
            float renkMin     = 0;

            float hue = renkMax - (servoBat - servoBatMin) * (renkMax - renkMin) / (servoBatMax - servoBatMin);

            hue = hue > renkMax ? renkMax : hue;
            hue = hue < renkMin ? renkMin : hue;

            return(new SolidColorBrush(HlsToRgbClass.HlsToRgb(hue, 0.4, 1)));


            //if (servoSicaklik > 60)
            //{
            //    return new SolidColorBrush(Colors.Red);
            //}
            //else if (servoSicaklik < 10)
            //{
            //    return new SolidColorBrush(Colors.Cyan);
            //}
            //else
            //{
            //float a1 = 247.4f; float b1 = 59.87f; float c1 = 14.66f; float a2 = 182.4f; float b2 = 42.14f; float c2 = 9.916f;
            //int Kirmizi = (int)(a1 * Math.Exp(-Math.Pow(((servoSicaklik - b1) / c1), 2)) + a2 * Math.Exp(-Math.Pow(((servoSicaklik - b2) / c2), 2)));
            //Kirmizi = Kirmizi > 255 ? 255 : Kirmizi;
            //Kirmizi = Kirmizi < 0 ? 0 : Kirmizi;

            //float p1 = -0.006167f;
            //float p2 = 0.4276f;
            //float p3 = -8.79f;
            //float p4 = 307.7f;
            //int Yesil = (int)(p1 * Math.Pow(servoSicaklik, 3) + p2 * Math.Pow(servoSicaklik, 2) + p3 * servoSicaklik + p4);
            //Yesil = Yesil > 255 ? 255 : Yesil;
            //Yesil = Yesil < 0 ? 0 : Yesil;

            //p1 = -0.006143f;
            //p2 = 0.865f;
            //p3 = -39.51f;
            //p4 = 582.4f;
            //int Mavi = (int)(p1 * Math.Pow(servoSicaklik, 3) + p2 * Math.Pow(servoSicaklik, 2) + p3 * servoSicaklik + p4);
            //Mavi = Mavi > 255 ? 255 : Mavi;
            //Mavi = Mavi < 0 ? 0 : Mavi;

            //return new SolidColorBrush(Color.FromRgb((byte)Kirmizi, (byte)Yesil, (byte)Mavi));
            //}
        }
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            float rpm     = (float)value;
            float rpmMax  = 130000;
            float rpmMin  = 0;
            float renkMax = 160;
            float renkMin = 0;

            float hue = renkMax - (rpm - rpmMin) * (renkMax - renkMin) / (rpmMax - rpmMin);

            hue = hue > renkMax ? renkMax : hue;
            hue = hue < renkMin ? renkMin : hue;

            return(new SolidColorBrush(HlsToRgbClass.HlsToRgb(hue, 0.4, 1)));
        }