Package fuzzy :: Package set :: Module Triangle :: Class Triangle

Class Triangle

Realize a triangle-shaped fuzzy set:

         ______  y_max
         A
        /|\
       / | \
      /  |  \
    _/   |   \_  y_min
     |   m   |
     |   |   |
    alpha|beta

Instance Methods

[hide private]

__init__(self, m=0.0, alpha=1.0, beta=1.0, y_max=1.0, y_min=0.0)
Initialize a triangle-shaped fuzzy set.

source code

_update(self)
update polygon

source code

add(self, x, y, where=1)
Don't let anyone destroy our triangle.

source code

remove(self, x, where=1)
Don't let anyone destroy our triangle.

source code

clear(self)
Don't let anyone destroy our triangle.

source code

string

__repr__(self)
Return representation of instance.

source code

Inherited from Polygon.Polygon: __call__, getCOG, getValuesX, getValuesXY

Inherited from object: __delattr__, __format__, __getattribute__, __hash__, __new__, __reduce__, __reduce_ex__, __setattr__, __sizeof__, __str__, __subclasshook__

Class Variables

[hide private]

Inherited from Polygon.Polygon: BEGIN, END, X, Y

Properties

[hide private]

float y_max
y-value at top of the triangle

float y_min
y-value outside the triangle

float m
x-value of top of triangle

float alpha
distance of left corner to m

float beta
distance of right corner to m

Inherited from Polygon.Polygon: points

Inherited from object: __class__

Method Details

[hide private]

init(self, m=0.0, alpha=1.0, beta=1.0, y_max=1.0, y_min=0.0)
(Constructor)

source code

Initialize a triangle-shaped fuzzy set.

Parameters:

y_max - y-value at top of the triangle (1.0)
y_min - y-value outside the triangle (0.0)
m - x-value of top of triangle (0.0)
alpha - distance of left corner to m (1.0)
beta - distance of right corner to m (1.0)

Overrides: object.__init__

add(self, x, y, where=1)

source code

Don't let anyone destroy our triangle.

Overrides: Polygon.Polygon.add

remove(self, x, where=1)

source code

Don't let anyone destroy our triangle.

Overrides: Polygon.Polygon.remove

clear(self)

source code

Don't let anyone destroy our triangle.

Overrides: Polygon.Polygon.clear

repr(self)
(Representation operator)

source code

Return representation of instance.

Returns: string: representation of instance
Overrides: object.__repr__

Property Details

[hide private]

y_max

y-value at top of the triangle

Get Method:: unreachable.fget(self)
Set Method:: unreachable.fset(self, value)
Type:: float

y_min

y-value outside the triangle

Get Method:: unreachable.fget(self)
Set Method:: unreachable.fset(self, value)
Type:: float

m

x-value of top of triangle

Get Method:: unreachable.fget(self)
Set Method:: unreachable.fset(self, value)
Type:: float

alpha

distance of left corner to m

Get Method:: unreachable.fget(self)
Set Method:: unreachable.fset(self, value)
Type:: float

beta

distance of right corner to m

Get Method:: unreachable.fget(self)
Set Method:: unreachable.fset(self, value)
Type:: float

Class Triangle

__init__(self, m=0.0, alpha=1.0, beta=1.0, y_max=1.0, y_min=0.0) (Constructor)

add(self, x, y, where=1)

remove(self, x, where=1)

clear(self)

__repr__(self) (Representation operator)

y_max

y_min

m

alpha

beta

init(self, m=0.0, alpha=1.0, beta=1.0, y_max=1.0, y_min=0.0)
(Constructor)

repr(self)
(Representation operator)