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The returned Point is a clone of the Input point with the Value property set. Every instance of Point have X and Y normalised within range -1..1.

The returned Point is a clone of the Input point with the Value property set. Every instance of Point have X and Y normalised within range -1..1 (I subtract the quadrilateral center from each point).

Example:

controlPoints = new [] {
    new Point() { X = -0.033675000000000566, Y = -0.02564999999999884, Value = 1.2787 },
    new Point() { X = -0.035524999999999807, Y = 0.024329999999999075, Value = 1.329 },
    new Point() { X = 0.03370499999999943, Y = 0.02564999999999884, Value = 1.3376 },
    new Point() { X = 0.035494999999999166, Y = -0.024329999999999075, Value = 1.302 }
}

point = new Point() { X = 0.018148174616284152, Y = -0.014201699949808244 }

Expected result is Point.Value = 1.3044829106888913

• controlPoints: the 4 points, each one with its value
• point: the point for which we want to calculate the interpolated value

The returned Point is a clone of the Input point with the Value property set.

• controlPoints: the 4 points, each one with its Value.
• point: the point for which we want to calculate the interpolated value

The returned Point is a clone of the Input point with the Value property set. Every instance of Point have X and Y normalised within range -1..1.