// TODO : Add constant function and trapeziodal
private static IFuzzyFunction defineFunction(Match match)
{
string value = match.Groups[3].Value;
string[] functionParameters = match.Groups[4].Value.Split(' ');
NumberStyles numberStyles = NumberStyles.AllowParentheses |
NumberStyles.AllowTrailingSign |
NumberStyles.Float |
NumberStyles.AllowThousands |
NumberStyles.AllowExponent;
if (value == "gaussmf")
{
GaussianFunction function = new GaussianFunction();
function.Center = Double.Parse(functionParameters[1].ToUpper(), numberStyles, CultureInfo.InvariantCulture);
function.Steepness = Double.Parse(functionParameters[0].ToUpper(), numberStyles, CultureInfo.InvariantCulture);
return(function);
}
else if (value == "trimf")
{
TriangleFunction function = new TriangleFunction();
function.LeftPoint = Double.Parse(functionParameters[0].ToUpper(), numberStyles, CultureInfo.InvariantCulture);
function.MiddlePoint = Double.Parse(functionParameters[1].ToUpper(), numberStyles, CultureInfo.InvariantCulture);
function.RightPoint = Double.Parse(functionParameters[2].ToUpper(), numberStyles, CultureInfo.InvariantCulture);
return(function);
}
else if (value == "constant")
{
ConstantFunction function = new ConstantFunction();
function.ConstValue = Double.Parse(functionParameters[0].ToUpper(), numberStyles);
return(function);
}
else if (value == "trapmf")
{
TrapezoidalFunction function = new TrapezoidalFunction();
function.LeftBottomPoint = Double.Parse(functionParameters[0].ToUpper(), numberStyles, CultureInfo.InvariantCulture);
function.LeftTopPoint = Double.Parse(functionParameters[1].ToUpper(), numberStyles, CultureInfo.InvariantCulture);
function.RightTopPoint = Double.Parse(functionParameters[2].ToUpper(), numberStyles, CultureInfo.InvariantCulture);
function.RightBottomPoint = Double.Parse(functionParameters[3].ToUpper(), numberStyles, CultureInfo.InvariantCulture);
return(function);
}
else
{
throw new FuzzyLogicException("Unknown function");
}
}
private void OnAddTermBtnClick(object sender, RoutedEventArgs e)
{
float low, mid, high;
try
{
low = System.Convert.ToSingle(textBox_lowVal.Text);
mid = System.Convert.ToSingle(textBox_midVal.Text);
high = System.Convert.ToSingle(textBox_highVal.Text);
}
catch (Exception) { MessageBox.Show("Input validate function data!"); return; }
if (low > mid || mid > high)
{
MessageBox.Show("Incorrect values of triangle function!"); return;
}
if (string.IsNullOrEmpty(textBox_NameTerm.Text))
{
MessageBox.Show("Input name of term!"); return;
}
string nameTerm = textBox_NameTerm.Text;
TriangleFunction function = new TriangleFunction(low, mid, high);
if (TermsList == null)
{
TermsList = new ObservableCollection <Term>();
//ListViewTerms.ItemsSource = TermsList;
}
TermsList.Add(new Term(nameTerm, function));
textBox_NameTerm.Text = null;
//Console.WriteLine("terms list: ");
//foreach (var item in TermsList)
//{
// Console.WriteLine("name : {0}; functionName: {1};" , item.Name, item.Function.ToString());
//}
}
