void AddValues(double[] _x, double[] _y)
{
var p = new Points<PointPair>();
MinX = 0.0;
MaxX = 2.0 * Math.PI;
var ymin = MinY;
var ymax = MaxY;
for (var i = 0; i < _y.Length; i++)
{
var x = _x[i];
var y = _y[i];
p.Add(new PointPair
{
Angle = x,
Magnitude = y
});
if (y < ymin)
ymin = y;
if (ymax < y)
ymax = y;
}
if (Count == 0 || ymin < MinY)
MinY = ymin;
if (Count == 0 || ymax > MaxY)
MaxY = ymax;
AddSeries(p);
}