/// <summary>
/// Creates new instance of the TreeSource for the specifed relation
/// </summary>
/// <param name="deffuzification">Relation wrapped in a deffuzification. In this case, the hierarchy will also contain information about applied deffuzification.</param>
public TreeSource(Defuzzification deffuzification)
{
_relation = deffuzification.Relation;
_deffuzification = deffuzification;
_inputs = deffuzification.Inputs;
_variableDimension = deffuzification.OutputDimension;
}
/// <summary>
/// Creates new instance of the TreeSource for the specifed relation
/// </summary>
/// <param name="deffuzification">Relation wrapped in a deffuzification. In this case, the hierarchy will also contain information about applied deffuzification.</param>
public TreeSource(Defuzzification deffuzification)
{
_relation = deffuzification.Relation;
_deffuzification = deffuzification;
_inputs = deffuzification.Inputs;
_variableDimension = deffuzification.OutputDimension;
}
public void T8Defuzzify()
{
LinguisticVariable =
LinguisticVariable.fromJson(JsonLingVar);
LinguisticVariable.RangeCalibration(1, 0.01);
ExternalLVSetUp();
LinguisticVariable.ApplyRule(LingVars);
LinguisticVariable.Implicate(1);
Debug.Log(
"[Defuzzification Test Result]\n" +
"Method : " + Defuzzification.nameOf(dfuzz) +
" | Result : " + dfuzz.defuzzify(LinguisticVariable.linguisticRules));
}
protected void buildRelationNow(bool initial)
{
if (!_ready)
{
return;
}
_waitingForBuild = false;
_building = true;
bool _expressionChanged = false;
decimal inputProduct = ddlProduct.SelectedIndex + 1;
decimal inputPrice = txtPrice.Value;
#region Realtime expression evaluation by means of C# parser
string strExpression = txtExpression.Text;
prependFullName(ref strExpression, "cheap");
prependFullName(ref strExpression, "fruits");
prependFullName(ref strExpression, "buyIt");
object obj = Evaluator.Eval(strExpression);
if (obj != null)
{
if (!(obj is FuzzyRelation))
{
MessageBox.Show(String.Format("ERROR: Object of type FuzzyRelation expected as the result of the expression.\r\nThis object is type {0}.", obj.GetType().FullName),
"Error evaluating expression", MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
else
{
_relation = (FuzzyRelation)obj;
if (_expression != txtExpression.Text)
{
_expressionChanged = true;
}
_expression = txtExpression.Text;
}
}
#endregion
#region Defuzzification
DefuzzificationFactory.DefuzzificationMethod method = (DefuzzificationFactory.DefuzzificationMethod)ddlDefuzMethod.SelectedIndex;
_defuzzification = DefuzzificationFactory.GetDefuzzification(
_relation,
new Dictionary <IDimension, decimal> {
{ product, inputProduct },
{ price, inputPrice }
},
method
);
_defuzzMethod = method;
#endregion
#region Output value
string unit = ((IContinuousDimension)_defuzzification.OutputDimension).Unit;
lblOutput.Text = _defuzzification.CrispValue.ToString("F5") + (string.IsNullOrEmpty(unit) ? "" : " " + unit);
#endregion
Cursor.Current = Cursors.WaitCursor;
#region storing TreeView selection
//Store information about currenlty selected node. It will become handy
//when selecting the same node after the refresh (if applicable)
List <int> selectedNodePath = new List <int>();
if (treeViewRelation.SelectedNode != null)
{
TreeNode pointer = treeViewRelation.SelectedNode;
while (pointer != null)
{
selectedNodePath.Add(pointer.Index);
pointer = pointer.Parent;
}
}
else if (initial)
{
selectedNodePath.Add(0);
}
#endregion
TreeSource ts = new TreeSource(_defuzzification);
ts.DrawImageOnNodeSelect = false;
ts.BuildTree(treeViewRelation, pictureBoxGraph, lblGraphCaption);
//Cursor.Current = Cursors.Default;
#region restoring TreeView selection
if ((!_expressionChanged || initial) && selectedNodePath.Count() > 0 && selectedNodePath[selectedNodePath.Count() - 1] < treeViewRelation.Nodes.Count)
{
//We will now try to restore the selection
TreeNode pointer = treeViewRelation.Nodes[selectedNodePath[selectedNodePath.Count() - 1]];
for (int i = selectedNodePath.Count() - 2; i >= 0; i--)
{
if (selectedNodePath[i] >= pointer.Nodes.Count)
{
pointer = null;
break;
}
pointer = pointer.Nodes[selectedNodePath[i]];
}
if (pointer != null)
{
treeViewRelation.SelectedNode = pointer;
ts.DrawDetailImage(pointer);
}
}
Cursor.Current = Cursors.Default;
ts.DrawImageOnNodeSelect = true;
#endregion
_building = false;
}
