how to generate heat maps given the points

Question

I want to generate a heat map in windows form. I have a set of points as the input. How to go about doing this in the simplest way? Thanks.

Answer 1

The C# version of "Curtis White"'s answer:

public Color HeatMap(decimal value, decimal min, decimal max)
        {
            decimal val = (value - min) / (max - min);
            int A, B, R, G;
            A = 255;
            R = Convert.ToByte(255 * val);
            B = Convert.ToByte(255 * (1 - val));
            G = 0;
            return Color.FromArgb(A, R, G, B);
        }