PhysicalObject class

class laygo2.object.physical.PhysicalObject(xy, name=None, params=None)

Bases: object

Base class for physical layout objects with physical coordinate info.

Public Data Attributes:

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

---

__init__(xy, name=None, params=None)

The constructor function.

Parameters:

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

• name (str) – Object name.

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

Return type:

PhysicalObject

Example

>>> import laygo2
>>> obj = laygo2.object.physical.PhysicalObject(xy = [[0, 0], [200, 200]],
        name="test", params={'maxI': 0.005})
>>> print(obj)
<laygo2.object.physical.PhysicalObject object at 0x000001ECF0022948>
 name: test,
 class: PhysicalObject,
 xy: [[0, 0], [200, 200]],
 params: {'maxI': 0.005},

_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_pointers()

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

summarize()

Return the summary of the object information.

_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

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

Master ojbect for current object (for arrays and pins).

Example

>>> import laygo2
>>> obj1 = laygo2.object.physical.PhysicalObject(xy = [[0, 0], [200, 200]],
        name="test1", params=None)
>>> obj2 = laygo2.object.physical.Pin(xy = [[0, 0], [100, 100]],
        layer = ["M1", "drawing"], master=obj1)
>>> obj2.master
<laygo2.object.physical.PhysicalObject object at 0x00000204AAF3C7C0>

Type:

numpy.ndarray

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

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

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 xy

Physical coordinate values of the object in the form of [bottom_left, top_right].

Example

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

Type:

numpy.ndarray