private void drawTrapezoidFuzzyNumberGraph(ref Chart chart, string name, TrapezoidFuzzyNumber fnum, Color color)
{
// chart by point
Series seriesPoint = chartFuzzy.Series.Add(name + "_point");
seriesPoint.ChartType = SeriesChartType.Point;
seriesPoint.BorderWidth = 2;
seriesPoint.Color = color;
seriesPoint.IsVisibleInLegend = false;
decimal y = 0;
Interval acut;
while (y <= 1)
{
acut = fnum.AlphaCut(y);
seriesPoint.Points.AddXY(acut.LowerBound, y);
seriesPoint.Points.AddXY(acut.UpperBound, y);
y = y + smooth;
}
y = 1;
acut = fnum.AlphaCut(y);
decimal x = acut.LowerBound;
while (x <= acut.UpperBound)
{
seriesPoint.Points.AddXY(x, y);
x += smooth;
}
// chart by line
Series series = chart.Series.Add(name);
series.ChartType = SeriesChartType.Line;
series.BorderWidth = 2;
series.Color = color;
if (checkBoxDrawLine.Checked)
{
series.Points.AddXY(fnum.BottomLeft, 0);
series.Points.AddXY(fnum.TopLeft, 1);
series.Points.AddXY(fnum.TopRight, 1);
series.Points.AddXY(fnum.BottomRight, 0);
}
}
private void resetGraphCoordinate(TrapezoidFuzzyNumber fnumA, TrapezoidFuzzyNumber fnumB)
{
// reset coordinate
decimal minAxisX = Math.Min(fnumA.BottomLeft, fnumB.BottomLeft);
Interval acut;
if (checkBoxOperationAdd.Checked)
{
acut = ArithmeticInterval.Calculate(Operation.Add, fnumA.AlphaCut(0), fnumB.AlphaCut(0));
minAxisX = Math.Min(minAxisX, acut.LowerBound);
}
if (checkBoxOperationSub.Checked)
{
acut = ArithmeticInterval.Calculate(Operation.Sub, fnumA.AlphaCut(0), fnumB.AlphaCut(0));
minAxisX = Math.Min(minAxisX, acut.LowerBound);
}
if (checkBoxOperationMul.Checked)
{
acut = ArithmeticInterval.Calculate(Operation.Mul, fnumA.AlphaCut(0), fnumB.AlphaCut(0));
minAxisX = Math.Min(minAxisX, acut.LowerBound);
}
if (checkBoxOperationDiv.Checked && !fnumB.IsZero())
{
acut = ArithmeticInterval.Calculate(Operation.Div, fnumA.AlphaCut(0), fnumB.AlphaCut(0));
minAxisX = Math.Min(minAxisX, acut.LowerBound);
}
chartFuzzy.ChartAreas[0].AxisX.Minimum = (int)Math.Floor(minAxisX);
}
private void drawResultIntervalBasedGraph(ref Chart chart, TrapezoidFuzzyNumber fnumA, TrapezoidFuzzyNumber fnumB, Operation operation, Color color)
{
// calculate result points list
decimal y = 0;
Interval acut, a, b;
List<CPoint> resultPointListLeft = new List<CPoint>();
List<CPoint> resultPointListRight = new List<CPoint>();
while (y <= 1)
{
a = fnumA.AlphaCut(y);
b = fnumB.AlphaCut(y);
acut = ArithmeticInterval.Calculate(operation, a, b);
resultPointListLeft.Add(new CPoint(acut.LowerBound, y));
resultPointListRight.Add(new CPoint(acut.UpperBound, y));
y += smooth;
}
y = 1;
a = fnumA.AlphaCut(y);
b = fnumB.AlphaCut(y);
acut = ArithmeticInterval.Calculate(operation, a, b);
decimal x = acut.LowerBound;
while (x <= acut.UpperBound)
{
resultPointListLeft.Add(new CPoint(x, y));
x += smooth;
}
// chart by line
Series seriesLine = chart.Series.Add(operation.ToString());
seriesLine.ChartType = SeriesChartType.Line;
seriesLine.BorderWidth = 2;
seriesLine.Color = color;
// chart by point
Series seriesPoint = chart.Series.Add(operation.ToString() + "_point");
seriesPoint.ChartType = SeriesChartType.Point;
seriesPoint.BorderWidth = 2;
seriesPoint.Color = color;
seriesPoint.IsVisibleInLegend = false;
// draw the graph
foreach (CPoint p in resultPointListLeft.OrderBy(i => i.x).OrderBy(i => i.y))
{
// by line
if (checkBoxDrawLine.Checked)
seriesLine.Points.AddXY(p.x, p.y);
// by point
seriesPoint.Points.AddXY(p.x, p.y);
}
foreach (CPoint p in resultPointListRight.OrderBy(i => i.x).OrderByDescending(i => i.y))
{
// by line
if (checkBoxDrawLine.Checked)
seriesLine.Points.AddXY(p.x, p.y);
// by point
seriesPoint.Points.AddXY(p.x, p.y);
}
addLog(operation.ToString() + " num of point :" + (resultPointListLeft.Count + resultPointListRight.Count).ToString());
resultPointListLeft.Clear();
resultPointListRight.Clear();
}