skimage 0.17.2

ParametersReturnsBackRef
disk(center, radius, *, shape=None)

Parameters

center : tuple

Center coordinate of disk.

radius : double

Radius of disk.

shape : tuple, optional

Image shape which is used to determine the maximum extent of output pixel coordinates. This is useful for disks that exceed the image size. If None, the full extent of the disk is used. Must be at least length 2. Only the first two values are used to determine the extent of the input image.

Returns

rr, cc : ndarray of int

Pixel coordinates of disk. May be used to directly index into an array, e.g. img[rr, cc] = 1 .

Generate coordinates of pixels within circle.

Examples

This example is valid syntax, but we were not able to check execution
>>> from skimage.draw import disk
... img = np.zeros((10, 10), dtype=np.uint8)
... rr, cc = disk((4, 4), 5)
... img[rr, cc] = 1
... img array([[0, 0, 1, 1, 1, 1, 1, 0, 0, 0], [0, 1, 1, 1, 1, 1, 1, 1, 0, 0], [1, 1, 1, 1, 1, 1, 1, 1, 1, 0], [1, 1, 1, 1, 1, 1, 1, 1, 1, 0], [1, 1, 1, 1, 1, 1, 1, 1, 1, 0], [1, 1, 1, 1, 1, 1, 1, 1, 1, 0], [1, 1, 1, 1, 1, 1, 1, 1, 1, 0], [0, 1, 1, 1, 1, 1, 1, 1, 0, 0], [0, 0, 1, 1, 1, 1, 1, 0, 0, 0], [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]], dtype=uint8)
See :

Back References

The following pages refer to to this document either explicitly or contain code examples using this.

skimage.draw.draw.disk

Local connectivity graph

Hover to see nodes names; edges to Self not shown, Caped at 50 nodes.

Using a canvas is more power efficient and can get hundred of nodes ; but does not allow hyperlinks; , arrows or text (beyond on hover)

SVG is more flexible but power hungry; and does not scale well to 50 + nodes.

All aboves nodes referred to, (or are referred from) current nodes; Edges from Self to other have been omitted (or all nodes would be connected to the central node "self" which is not useful). Nodes are colored by the library they belong to, and scaled with the number of references pointing them


File: /skimage/draw/draw.py#184
type: <class 'function'>
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