public LinearInterpolator(IEnumerable <double> xCoords, IEnumerable <double> yCoords, VertexAxisType axisType)
{
verticalAxisType = axisType;
var x = xCoords as IList <double> ?? xCoords.ToList();
var y = yCoords as IList <double> ?? yCoords.ToList();
if (x.Count < 2 || y.Count < 2 || x.Count != y.Count)
{
throw new ArgumentException("Number of X and Y coordinates should be equal and > 2");
}
for (var i = 0; i < x.Count(); i++)
{
this.points.Add(new Point(x[i], y[i]));
}
this.points = this.points.OrderBy(point => point.X).ToList();
}
public string GetEvidenceString(double xValue, VertexAxisType axisType)
{
var values = this.Points.Select(scatterDataPoints => (new LinearInterpolator(scatterDataPoints.GetXCoords(), scatterDataPoints.GetYCoords(), axisType).Eval(xValue))).ToList();
values.Sort();
if (this.Type == InterpolationType.SingleValue)
{
return(values[0].ToString());
}
if (this.Type == InterpolationType.Uniform)
{
return(values[0] + ":" + values[1]);
}
if (this.Type == InterpolationType.Triangular)
{
return("TRI(" + values[0] + "," + values[1] + "," + values[2] + ")");
}
return(null);
}