public static object Scale(this ScaleOrdinal scale, object value)
{
if (scale == null)
{
BH.Engine.Reflection.Compute.RecordError("Cannot query the scale of a null ordinal scale object.");
return(null);
}
int i = scale.Domain.IndexOf(value.ToString());
if (i == -1)
{
return(null);
}
if (scale.Range.All(r => r.IsNumericType()) && scale.Range.Count == 2)
{
Domain d = new Domain(0, scale.Domain.Count);
Domain r = new Domain(System.Convert.ToDouble(scale.Range[0]), System.Convert.ToDouble(scale.Range[1]));
return(Map(d, r, i));
}
else
{
if (i > scale.Range.Count - 1)
{
i = i % (scale.Range.Count);
}
return(scale.Range[i]);
}
}
public static IScale IScale(List <object> domain, List <object> range)
{
IScale scale = null;
if (domain.All(d => d.IsNumericType()) && range.All(d => d.IsNumericType()))
{
List <double> d = new List <double>();
domain.ForEach(x => d.Add(System.Convert.ToDouble(x)));
List <double> r = new List <double>();
range.ForEach(x => r.Add(System.Convert.ToDouble(x)));
scale = new ScaleLinear()
{
Domain = Data.Create.Domain(d),
Range = Data.Create.Domain(r)
};
return(scale);
}
else
{
List <string> d = domain.ToStringList().Distinct().ToList();
scale = new ScaleOrdinal()
{
Domain = d,
Range = range
};
}
//date time
//non linear
//others to do
return(scale);
}
