private void SetPixel(byte[] pixels, int index, RainbowColor color)
{
pixels[index++] = color.Red;
pixels[index++] = color.Green;
pixels[index++] = color.Blue;
pixels[index++] = 0xff;
}
private static RainbowColor WavelengthToColor(double wavelength)
{
double factor;
double red, green, blue;
if ((wavelength >= 380) && (wavelength < 440))
{
red = -(wavelength - 440) / (440 - 380);
green = 0.0;
blue = 1.0;
}
else if ((wavelength >= 440) && (wavelength < 490))
{
red = 0.0;
green = (wavelength - 440) / (490 - 440);
blue = 1.0;
}
else if ((wavelength >= 490) && (wavelength < 510))
{
red = 0.0;
green = 1.0;
blue = -(wavelength - 510) / (510 - 490);
}
else if ((wavelength >= 510) && (wavelength < 580))
{
red = (wavelength - 510) / (580 - 510);
green = 1.0;
blue = 0.0;
}
else if ((wavelength >= 580) && (wavelength < 645))
{
red = 1.0;
green = -(wavelength - 645) / (645 - 580);
blue = 0.0;
}
else if ((wavelength >= 645) && (wavelength < 781))
{
red = 1.0;
green = 0.0;
blue = 0.0;
}
else
{
red = 0.0;
green = 0.0;
blue = 0.0;
}
// Let the intensity fall off near the vision limits
if ((wavelength >= 380) && (wavelength < 420))
{
factor = 0.3 + 0.7 * (wavelength - 380) / (420 - 380);
}
else if ((wavelength >= 420) && (wavelength < 701))
{
factor = 1.0;
}
else if ((wavelength >= 701) && (wavelength < 781))
{
factor = 0.3 + 0.7 * (780 - wavelength) / (780 - 700);
}
else
{
factor = 0.0;
}
var color = new RainbowColor();
// Don't want 0^x = 1 for x <> 0
color.Red = red == 0.0 ? (byte)0 : (byte)Math.Round(IntensityMax * Math.Pow(red * factor, Gamma));
color.Green = green == 0.0 ? (byte)0 : (byte)Math.Round(IntensityMax * Math.Pow(green * factor, Gamma));
color.Blue = blue == 0.0 ? (byte)0 : (byte)Math.Round(IntensityMax * Math.Pow(blue * factor, Gamma));
return(color);
}
private static RainbowColor WavelengthToColor(double wavelength)
{
double factor;
double red, green, blue;
if ((wavelength >= 380) && (wavelength < 440))
{
red = -(wavelength - 440) / (440 - 380);
green = 0.0;
blue = 1.0;
}
else if ((wavelength >= 440) && (wavelength < 490))
{
red = 0.0;
green = (wavelength - 440) / (490 - 440);
blue = 1.0;
}
else if ((wavelength >= 490) && (wavelength < 510))
{
red = 0.0;
green = 1.0;
blue = -(wavelength - 510) / (510 - 490);
}
else if ((wavelength >= 510) && (wavelength < 580))
{
red = (wavelength - 510) / (580 - 510);
green = 1.0;
blue = 0.0;
}
else if ((wavelength >= 580) && (wavelength < 645))
{
red = 1.0;
green = -(wavelength - 645) / (645 - 580);
blue = 0.0;
}
else if ((wavelength >= 645) && (wavelength < 781))
{
red = 1.0;
green = 0.0;
blue = 0.0;
}
else
{
red = 0.0;
green = 0.0;
blue = 0.0;
}
// Let the intensity fall off near the vision limits
if ((wavelength >= 380) && (wavelength < 420))
{
factor = 0.3 + 0.7 * (wavelength - 380) / (420 - 380);
}
else if ((wavelength >= 420) && (wavelength < 701))
{
factor = 1.0;
}
else if ((wavelength >= 701) && (wavelength < 781))
{
factor = 0.3 + 0.7 * (780 - wavelength) / (780 - 700);
}
else
{
factor = 0.0;
}
var color = new RainbowColor();
// Don't want 0^x = 1 for x <> 0
color.Red = red == 0.0 ? (byte)0 : (byte)Math.Round(IntensityMax * Math.Pow(red * factor, Gamma));
color.Green = green == 0.0 ? (byte)0 : (byte)Math.Round(IntensityMax * Math.Pow(green * factor, Gamma));
color.Blue = blue == 0.0 ? (byte)0 : (byte)Math.Round(IntensityMax * Math.Pow(blue * factor, Gamma));
return color;
}
private void SetPixel(byte[] pixels, int index, RainbowColor color)
{
pixels[index++] = color.Red;
pixels[index++] = color.Green;
pixels[index++] = color.Blue;
pixels[index++] = 0xff;
}
