/// <summary>
/// получить соответствующую значению градацию типа Т
/// </summary>
/// <param name="val"></param>
/// <returns></returns>
internal object GetItem(double val)
{
if (double.IsNaN(val))
{
throw new ArgumentException("Заданное значение не является числом!");
}
if (typeof(T) == typeof(GradationItem))
{
foreach (var v in items)
{
if (val >= (v as GradationItem).From && val <= (v as GradationItem).To)
{
return(v);
}
}
var max = double.MinValue;
GradationItem mgi = null;
foreach (GradationItem gi in items)
{
if (gi.To > max)
{
max = gi.To; mgi = gi;
}
}
if (mgi != null)
{
return(mgi);
}
else
{
return(GradationItem.Empty);
}
}
else if (typeof(T) == typeof(WindDirections16))
{
return(new RawItem()
{
Direction = val
}.DirectionRhumb);
}
else if (typeof(T) == typeof(WindDirections8))
{
return(new RawItem()
{
Direction = val
}.DirectionRhumb8);
}
else
{
throw new Exception("Этот тип не реализован");
}
}
/// <summary>
/// преобразование градаций этого типа в GradationItem
/// </summary>
/// <returns></returns>
internal GradationInfo <GradationItem> ToGradationItem()
{
if (typeof(T) == typeof(GradationItem))
{
return(this as GradationInfo <GradationItem>);
}
if (typeof(T) == typeof(WindDirections16))
{
double d = 22.5d / 2d;
GradationInfo <GradationItem> res = new GradationInfo <GradationItem>();
foreach (WindDirections16 item in this.items)
{
double dir = RawItem.GetDirection(item);
GradationItem gr = new GradationItem(dir - d, dir + d);
res.items.Add(gr);
}
return(res);
}
throw new WindEnergyException("Невозможно преобразовать этот тип градаций в GradationItem");
}