// Return the center of the polygon provided, usually BasicVertices or ValueVertices
public CoordPoint CenterOfPolygon(List <CoordPoint> Vertices)
{
CoordPoint result = new CoordPoint();
foreach (CoordPoint p in Vertices)
{
result.X += p.X;
result.Y += p.Y;
}
result.X /= Vertices.Count;
result.Y /= Vertices.Count;
return(result);
}
// Return the center of the polygon provided, usually BasicVertices or ValueVertices
public CoordPoint CenterOfPolygon(List<CoordPoint> Vertices)
{
CoordPoint result = new CoordPoint();
foreach (CoordPoint p in Vertices)
{
result.X += p.X;
result.Y += p.Y;
}
result.X /= Vertices.Count;
result.Y /= Vertices.Count;
return result;
}
// Called when the FuzzyVariable it belongs to gets updated. Updates ValueVertices accordingly
public void SetMembershipForX(double x)
{
//Console.WriteLine(Name + " " + x);
// If x falls in the set's range, go through the set's points, find the one it lies between, and insert
if (x >= Lower_Bound && x <= Upper_Bound)
{
List<CoordPoint> newValueVertices = new List<CoordPoint>();
CoordPoint newPoint1 = new CoordPoint();
double y = 0;
for (int i = 0; i < BaseVertices.Count - 1; i++ )
{
CoordPoint p1 = BaseVertices[i];
CoordPoint p2 = BaseVertices[i + 1];
if (x >= p1.X && x <= p2.X)
{
y = p1.Y + ((x - p1.X) / (p2.X - p1.X)) * (p2.Y - p1.Y);
break;
}
}
// Insert a point in between all points where y is between P1 & P2.Y
for (int i = 0; i < BaseVertices.Count - 1; i++ )
{
CoordPoint p1 = BaseVertices[i];
CoordPoint p2 = BaseVertices[i + 1];
//Console.WriteLine(" (" + p1.X + ", " + p1.Y + "), (" + p2.X + ", " + p2.Y + ")");
//newValueVertices.Add(BaseVertices[i]);
if ((y >= p1.Y && y < p2.Y && p1.Y < p2.Y) || (y <= p1.Y && y >= p2.Y && p1.Y > p2.Y))
{
// Upslope: add p1 but not p2
// downslope: add p2 but not p1
if (p1.Y < p2.Y)
newValueVertices.Add(BaseVertices[i]);
newPoint1.X = p1.X + ((y - p1.Y) / (p2.Y - p1.Y)) * (p2.X - p1.X);
newPoint1.Y = y;
//Console.WriteLine(" (" + newPoint1.X + ", " + newPoint1.Y + ")");
newValueVertices.Add(newPoint1.Clone());
if (p1.Y > p2.Y)
newValueVertices.Add(BaseVertices[i + 1]);
}
else
{
newValueVertices.Add(BaseVertices[i]);
}
}
_valueVertices = newValueVertices;
_membershipValue = newPoint1.Y;
}
else
{
_membershipValue = 0;
_valueVertices = new List<CoordPoint>();
}
}
// Called when the FuzzyVariable it belongs to gets updated. Updates ValueVertices accordingly
public void SetMembershipForX(double x)
{
//Console.WriteLine(Name + " " + x);
// If x falls in the set's range, go through the set's points, find the one it lies between, and insert
if (x >= Lower_Bound && x <= Upper_Bound)
{
List <CoordPoint> newValueVertices = new List <CoordPoint>();
CoordPoint newPoint1 = new CoordPoint();
double y = 0;
for (int i = 0; i < BaseVertices.Count - 1; i++)
{
CoordPoint p1 = BaseVertices[i];
CoordPoint p2 = BaseVertices[i + 1];
if (x >= p1.X && x <= p2.X)
{
y = p1.Y + ((x - p1.X) / (p2.X - p1.X)) * (p2.Y - p1.Y);
break;
}
}
// Insert a point in between all points where y is between P1 & P2.Y
for (int i = 0; i < BaseVertices.Count - 1; i++)
{
CoordPoint p1 = BaseVertices[i];
CoordPoint p2 = BaseVertices[i + 1];
//Console.WriteLine(" (" + p1.X + ", " + p1.Y + "), (" + p2.X + ", " + p2.Y + ")");
//newValueVertices.Add(BaseVertices[i]);
if ((y >= p1.Y && y < p2.Y && p1.Y < p2.Y) || (y <= p1.Y && y >= p2.Y && p1.Y > p2.Y))
{
// Upslope: add p1 but not p2
// downslope: add p2 but not p1
if (p1.Y < p2.Y)
{
newValueVertices.Add(BaseVertices[i]);
}
newPoint1.X = p1.X + ((y - p1.Y) / (p2.Y - p1.Y)) * (p2.X - p1.X);
newPoint1.Y = y;
//Console.WriteLine(" (" + newPoint1.X + ", " + newPoint1.Y + ")");
newValueVertices.Add(newPoint1.Clone());
if (p1.Y > p2.Y)
{
newValueVertices.Add(BaseVertices[i + 1]);
}
}
else
{
newValueVertices.Add(BaseVertices[i]);
}
}
_valueVertices = newValueVertices;
_membershipValue = newPoint1.Y;
}
else
{
_membershipValue = 0;
_valueVertices = new List <CoordPoint>();
}
}
