machinevisiontoolbox.Image.Circles

classmethod Image.Circles(number, size=256, fg=1, bg=0, dtype='uint8')

Create image containing grid of circles

Parameters:

• number (int) – number of circles horizontally and vertically

• size (int, optional) – image width and height, defaults to 256

• fg (int, float, optional) – pixel value of the circles, defaults to 1

• bg (int, optional) – pixel value of the background, defaults to 0

• dtype (str, optional) – NumPy datatype, defaults to ‘uint8’

Returns:

grid of circles

Return type:

Image

Example:

>>> from machinevisiontoolbox import Image
>>> img = Image.Circles(2, 14, bg=1, fg=9)
>>> img.A
array([[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1],
       [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1],
       [1, 1, 1, 1, 9, 1, 1, 1, 1, 1, 9, 1, 1, 1],
       [1, 1, 1, 9, 9, 9, 1, 1, 1, 9, 9, 9, 1, 1],
       [1, 1, 9, 9, 9, 9, 9, 1, 9, 9, 9, 9, 9, 1],
       [1, 1, 1, 9, 9, 9, 1, 1, 1, 9, 9, 9, 1, 1],
       [1, 1, 1, 1, 9, 1, 1, 1, 1, 1, 9, 1, 1, 1],
       [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1],
       [1, 1, 1, 1, 9, 1, 1, 1, 1, 1, 9, 1, 1, 1],
       [1, 1, 1, 9, 9, 9, 1, 1, 1, 9, 9, 9, 1, 1],
       [1, 1, 9, 9, 9, 9, 9, 1, 9, 9, 9, 9, 9, 1],
       [1, 1, 1, 9, 9, 9, 1, 1, 1, 9, 9, 9, 1, 1],
       [1, 1, 1, 1, 9, 1, 1, 1, 1, 1, 9, 1, 1, 1],
       [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]], dtype=uint8)

Note:

Image is square.