public static Color[] GetColours(double[] intensities, Colourmap colorMap)
{
Color[] colors = new Color[intensities.Length];
for (int i = 0; i < intensities.Length; i++)
{
byte pixelIntensity = (byte)Math.Max(Math.Min(intensities[i] * 255, 255), 0);
var(r, g, b) = colorMap.GetRGB(pixelIntensity);
colors[i] = Color.FromArgb(255, r, g, b);
}
return(colors);
}
public static int[] GetRGBAs(double[] intensities, Colourmap colorMap, double minimumIntensity = 0)
{
int[] rgbas = new int[intensities.Length];
for (int i = 0; i < intensities.Length; i++)
{
byte pixelIntensity = (byte)Math.Max(Math.Min(intensities[i] * 255, 255), 0);
var(r, g, b) = colorMap.GetRGB(pixelIntensity);
byte alpha = pixelIntensity < minimumIntensity ? (byte)0 : (byte)255;
byte[] argb = { b, g, r, alpha };
rgbas[i] = BitConverter.ToInt32(argb, 0);
}
return(rgbas);
}