/// <summary>
/// Creates an instance of Trapezoid transfer function with the specified
/// properties.
/// </summary>
/// <param name="properties"></param>
public Trapezoid(Properties properties)
{
this.LeftLow = (Double)properties.GetProperty("transferFunction.leftLow");
this.LeftHigh = (Double)properties.GetProperty("transferFunction.leftHigh");
this.RightLow = (Double)properties.GetProperty("transferFunction.rightLow");
this.RightHigh = (Double)properties.GetProperty("transferFunction.rightHigh");
}
/// <summary>
/// Creates an instance of Ramp transfer function with specified properties.
/// </summary>
/// <param name="properties"></param>
public Ramp(Properties properties)
{
this.Slope = (Double)properties.GetProperty("transferFunction.slope");
this.YHigh = (Double)properties.GetProperty("transferFunction.yHigh");
this.YLow = (Double)properties.GetProperty("transferFunction.yLow");
this.XHigh = (Double)properties.GetProperty("transferFunction.xHigh");
this.XLow = (Double)properties.GetProperty("transferFunction.xLow");
}
/// <summary>
/// Creates and returns instance of transfer function
/// </summary>
/// <param name="tfProperties">transfer function properties</param>
/// <returns>returns transfer function</returns>
private static TransferFunction CreateTransferFunction(Properties tfProperties)
{
TransferFunction transferFunction = null;
Type tfClass = (Type)tfProperties.GetProperty("transferFunction");
ParameterInfo[] paramTypes = null;
ConstructorInfo[] cons = tfClass.GetConstructors();
for (int i = 0; i < cons.Length; i++)
{
paramTypes = cons[i].GetParameters();
// use constructor with one parameter of Properties type
if ((paramTypes.Length == 1) && (paramTypes[0].GetType() == typeof(Properties)))
{
Type[] argTypes = new Type[1];
argTypes[0] = typeof(Properties);
ConstructorInfo ct = tfClass.GetConstructor(argTypes);
Object[] argList = new Object[1];
argList[0] = tfProperties;
transferFunction = (TransferFunction)ct.Invoke(argList);
break;
}
else if (paramTypes.Length == 0)
{ // use constructor without params
transferFunction = (TransferFunction)Activator.CreateInstance(tfClass);
break;
}
}
return transferFunction;
}
/// <summary>
/// Creates an instance of Tanh neuron transfer function with the
/// specified properties.
/// </summary>
/// <param name="properties">properties of the Tanh function</param>
public Tanh(Properties properties)
{
this.Slope = (Double)properties.GetProperty("transferFunction.slope");
}
/// <summary>
/// Returns the properties of this function
/// </summary>
/// <returns>properties of this function</returns>
public Properties GetProperties()
{
Properties properties = new Properties();
properties.SetProperty("transferFunction.yHigh", YHigh);
properties.SetProperty("transferFunction.yLow", YLow);
return properties;
}
/// <summary>
/// Creates an instance of Step transfer function with specified properties
/// </summary>
/// <param name="properties"></param>
public Step(Properties properties)
{
this.YHigh = (Double)properties.GetProperty("transferFunction.yHigh");
this.YLow = (Double)properties.GetProperty("transferFunction.yLow");
}
public Properties GetTransferFunctionProperties()
{
Properties tfProperties = new Properties();
foreach (String name in this.Keys)
{
if (name.IndexOf("transferFunction") != -1)
{
tfProperties.SetProperty(name, this.Get(name));
}
}
return tfProperties;
}
/// <summary>
/// Returns the properties of this function
/// </summary>
/// <returns>properties of this function</returns>
public Properties GetProperties()
{
Properties properties = new Properties();
properties.SetProperty("transferFunction", TransferFunctionType.SGN.GetTypeCode());
return properties;
}
/// <summary>
/// Creates an instance of Gaussian neuron transfer function with the
/// specified properties.
/// </summary>
/// <param name="properties">properties of the Gaussian function</param>
public Gaussian(Properties properties)
{
this.Sigma = (Double)properties.GetProperty("transferFunction.sigma");
}
