Pin class

class laygo2.object.physical.Pin(xy, layer, name=None, netname=None, params=None, master=None, elements=None)

Bases: IterablePhysicalObject

Pin object class.

Example

>>> from laygo2.object.physical import Pin
>>> pin0 = Pin(xy=[[0, 0], [100, 100]], layer=['M1', 'drawing'],
               netname='net0', params={'direction': 'input'})
>>> print(pin0)
<laygo2.object.physical.Pin object at 0x000002049A77FF70>
    name: None,
    class: Pin,
    xy: [[0, 0], [100, 100]],
    params: {'direction': 'input'}, , layer: ['M1' 'drawing'],
    netname: net0, shape: None, master: None

Public Data Attributes:

layer	The physical layer information of the object, represented as a list with two elements: [name, purpose].
netname	The net name associated with the object.
master	The instance that the pin belongs to.
height	The height of the object.
width	The width of the object.
size	The size of the object.
height_vec	The height direction vector [0, self.height] of the object.
width_vec	The width direction vector [self.width, 0] of the object.

Inherited from IterablePhysicalObject

elements	Numpy array containing its element objects.
xy	Retrive x,y coordinate values of the object.
shape	Array size of the object.

Inherited from PhysicalObject

name	Object name.
xy	Physical coordinate values of the object in the form of [bottom_left, top_right].
master	Master ojbect for current object (for arrays and pins).
params	Dictionary storing the parameters associated with the object
pointers	The dictionary containing the key-value pairs of the major physical coordinates of the object, such as 'left', 'right', 'top', 'bottom', 'bottom_left', 'center', etc.
left	The left-center coordinate of the object.
right	The right-center coordinate of the object.
top	The top-center coordinate of the object.
bottom	The bottom-center coordinate of the object.
center	The center-center coordinate of the object.
bottom_left	The bottom-left coordinate of the object.
bottom_right	The bottom-right coordinate of the object.
top_left	The top-left coordinate of the object.
top_right	The top-right coordinate of the object.
bbox	The physical bounding box of the object.

Public Methods:

__init__(xy, layer[, name, netname, params, ...])	The constructor function.
summarize()	Get object information summary.
export_to_dict()

Inherited from IterablePhysicalObject

__init__(xy[, name, params, elements])	The constructor function.
__getitem__(pos)	Return the sub-elements of the object, based on the pos parameter.
__setitem__(pos, item)	Update the sub-elements of the object, based on the pos and item parameters.
__iter__()	Iterator that maps directly to the elements attribute of this object.
__next__()	Iterator that maps directly to the iterator function of the elements attribute of this object.
ndenumerate()	Enumerate over the element array.

Inherited from PhysicalObject

__init__(xy[, name, params])	The constructor function.
__str__()	Return the summary of the object information.
summarize()	Return the summary of the object information.

---

__init__(xy, layer, name=None, netname=None, params=None, master=None, elements=None)

The constructor function.

Parameters:

• xy (numpy.ndarray) – Physical coordinate values of the object in the form of [bottom_left, top_right].

• layer (list) – The physical layer information of the object, represented as a list with two elements: [name, purpose].

• name (str) – Object name.

• netname (str) – The net name associated with the object.

• params (dict) – Dictionary storing the parameters associated with the object.

Return type:

Pin

Example

>>> import laygo2
>>> pin0 = laygo2.object.physical.Pin(xy=[[0, 0], [100, 100]],
    layer=['M1', 'drawing'], netname='net0', params={'direction': 'input'})
>>> print(pin0)
<laygo2.object.physical.Pin object at 0x000002049A77FF70>
    name: None,
    class: Pin,
    xy: [[0, 0], [100, 100]],
    params: {'direction': 'input'}, , layer: ['M1' 'drawing'],
    netname: net0, shape: None, master: None

_get_xy()

numpy.ndarray(dtype=numpy.int): Retrive x,y coordinate values of the object.

_set_xy(value)

numpy.ndarray(dtype=numpy.int): Update x,y coordinates of the object.

_update_elements(xy_ofst)

Update the xy coordinates of the elements of this object, used internally by the _set_xy() function.

_update_pointers()

The internal function that updates the object’s pointers after a change in its physical coordinates.

export_to_dict()

ndenumerate()

Enumerate over the element array. Calls np.ndenumerate() of the elements of this object.

summarize()

Get object information summary.

_xy = array([0, 0])

The x and y coordinate values stored within.

Type:

numpy.ndarray(dtype=numpy.int)

property bbox

The physical bounding box of the object.

Example

>>> import laygo2
>>> obj = laygo2.object.physical.PhysicalObject(xy = [[0, 0], [200, 200]])
>>> obj.bbox
array([[  0,   0],
       [200, 200]])

Type:

numpy.ndarray

bottom = None

The bottom-center coordinate of the object.

Example

>>> import laygo2
>>> obj = laygo2.object.physical.PhysicalObject(xy = [[0, 0], [200, 200]])
>>> obj.top
array([100,   0])

Type:

numpy.ndarray

bottom_left = None

The bottom-left coordinate of the object.

Example

>>> import laygo2
>>> obj = laygo2.object.physical.PhysicalObject(xy = [[0, 0], [200, 200]])
>>> obj.bottom_left
array([  0,   0])

Type:

numpy.ndarray

bottom_right = None

The bottom-right coordinate of the object.

Example

>>> import laygo2
>>> obj = laygo2.object.physical.PhysicalObject(xy = [[0, 0], [200, 200]])
>>> obj.bottom_right
array([200,   0])

Type:

numpy.ndarray

center = None

The center-center coordinate of the object.

Example

>>> import laygo2
>>> obj = laygo2.object.physical.PhysicalObject(xy = [[0, 0], [200, 200]])
>>> obj.center
array([100, 100])

Type:

numpy.ndarray

elements = None

Numpy array containing its element objects.

Example

>>> import laygo2
>>> phy0 = laygo2.object.physical.PhysicalObject(xy=[[0, 0], [100, 100]])
>>> phy1 = laygo2.object.physical.PhysicalObject(xy=[[0, 0], [200, 200]])
>>> phy2 = laygo2.object.physical.PhysicalObject(xy=[[0, 0], [300, 300]])
>>> element = [phy0, phy1, phy2]
>>> iphy0 = laygo2.object.physical.IterablePhysicalObject(
        xy=[[0, 0], [300, 300]], elements = elements)
>>> iphy0.elements
array([<laygo2.object.physical.PhysicalObject object at 0x000002049A77FDF0>,
       <laygo2.object.physical.PhysicalObject object at 0x000002049A77F3D0>,
       <laygo2.object.physical.PhysicalObject object at 0x000002049A77FF40>],
      dtype=object)

Type:

dict

property height

The height of the object.

Example

>>> import laygo2
>>> pin0 = laygo2.object.physical.Pin(xy=[[0, 0], [100, 100]],
    layer=['M1', 'drawing'], netname='net0', params={'direction': 'input'})
>>> pin0.height
100

Type:

int

property height_vec

The height direction vector [0, self.height] of the object.

Type:

numpy.ndarray(dtype=int)

layer = None

The physical layer information of the object, represented as a list with two elements: [name, purpose].

Example

>>> import laygo2
>>> pin0 = laygo2.object.physical.Pin(xy=[[0, 0], [100, 100]],
        layer=['M1', 'drawing'], netname='net0', params={'direction': 'input'})
>>> pin0.layer
['M1', 'drawing']

numpy.ndarray: 객체의 layer 정보 [name, purpose].

Type:

numpy.ndarray

left = None

The left-center coordinate of the object.

Example

>>> import laygo2
>>> obj = laygo2.object.physical.PhysicalObject(xy = [[0, 0], [200, 200]])
>>> obj.left
array([  0, 100])

Type:

numpy.ndarray

master = None

The instance that the pin belongs to. Used for pins of instances only.

Type:

Instance

name = None

Object name.

Example

>>> import laygo2
>>> obj = laygo2.object.physical.PhysicalObject(xy = [[0, 0], [200, 200]],
        name="test", params={'maxI': 0.005})
>>> obj.name
“test”

Type:

str

netname = None

The net name associated with the object.

Example

>>> import laygo2
>>> pin0 = laygo2.object.physical.Pin(xy=[[0, 0], [100, 100]],
        layer=['M1', 'drawing'], netname='net0', params={'direction': 'input'})
>>> pin0.netname
“net0”

str: 객체의 노드 명.

Type:

str

params = None

Dictionary storing the parameters associated with the object

Example

>>> import laygo2
>>> obj = laygo2.object.physical.PhysicalObject(xy = [[0, 0], [200, 200]],
        name="test", params={'maxI': 0.005})
>>> obj.params
{‘maxI’: 0.005 }

Type:

dict

pointers = None

The dictionary containing the key-value pairs of the major physical coordinates of the object, such as ‘left’, ‘right’, ‘top’, ‘bottom’, ‘bottom_left’, ‘center’, etc.

Example

>>> import laygo2
>>> obj = laygo2.object.physical.PhysicalObject(xy = [[0, 0], [200, 200]])
>>> obj.pointers
{'left': array([0, 100]), 'right': array([200, 100]),
 'bottom': array([100, 0]), 'top': array([100, 200]),
 'bottom_left': array([0, 0]), 'bottom_right': array([200, 0]),
 'top_left': array([0, 200]), 'top_right': array([200, 200]),
 ‘center’: array( [100, 100] )
}

Type:

dict

right = None

The right-center coordinate of the object.

Example

>>> import laygo2
>>> obj = laygo2.object.physical.PhysicalObject(xy = [[0, 0], [200, 200]])
>>> obj.right
array([200, 100])

Type:

numpy.ndarray

property shape

Array size of the object.

Example

>>> import laygo2
>>> phy0 = laygo2.object.physical.PhysicalObject(xy=[[0, 0], [100, 100]])
>>> phy1 = laygo2.object.physical.PhysicalObject(xy=[[0, 0], [200, 200]])
>>> phy2 = laygo2.object.physical.PhysicalObject(xy=[[0, 0], [300, 300]])
>>> element = [phy0, phy1, phy2]
>>> iphy0 = laygo2.object.physical.IterablePhysicalObject(
    xy=[[0, 0], [300, 300]], elements = elements)
>>> iphy0.shape
array([3])

property size

The size of the object.

Example

>>> import laygo2
>>> pin0 = laygo2.object.physical.Pin(xy=[[0, 0], [100, 100]],
    layer=['M1', 'drawing'], netname='net0', params={'direction': 'input'})
>>> pin0.size
[100, 100]

Type:

numpy.ndarray

top = None

The top-center coordinate of the object.

Example

>>> import laygo2
>>> obj = laygo2.object.physical.PhysicalObject(xy = [[0, 0], [200, 200]])
>>> obj.top
array([100, 200])

Type:

numpy.ndarray

top_left = None

The top-left coordinate of the object.

Example

>>> import laygo2
>>> obj = laygo2.object.physical.PhysicalObject(xy = [[0, 0], [200, 200]])
>>> obj.top_left
array([  0, 200])

Type:

numpy.ndarray

top_right = None

The top-right coordinate of the object.

Example

>>> import laygo2
>>> obj = laygo2.object.physical.PhysicalObject(xy = [[0, 0], [200, 200]])
>>> obj.top_right
array([200, 200])

Type:

numpy.ndarray

property width

The width of the object.

Example

>>> import laygo2
>>> pin0 = laygo2.object.physical.Pin(xy=[[0, 0], [100, 100]],
    layer=['M1', 'drawing'], netname='net0', params={'direction': 'input'})
>>> pin0.width
100

Type:

int

property width_vec

The width direction vector [self.width, 0] of the object.

Type:

numpy.ndarray(dtype=int)

property xy

Retrive x,y coordinate values of the object.

Type:

numpy.ndarray(dtype=numpy.int)