# window

compas.utilities.window(seq, n=2)[source]

Returns a sliding window (of width n) over the data from the iterable.

Parameters
• seq (iterable) – A sequence of items.

• n (int, optional) – The width of the sliding window.

Yields

tuple – A tuple of size n at every iteration, if there are at least n items in the sequence.

Examples

>>> for view in window(range(10), 3):
...     print(view)
...
(0, 1, 2)
(1, 2, 3)
(2, 3, 4)
(3, 4, 5)
(4, 5, 6)
(5, 6, 7)
(6, 7, 8)
(7, 8, 9)