An N-dimensional interator object which returns the index of the window top-left and a ndwindow_inside slice array.
Similar to ndwindow_index but reports top left index of window.
See ndwindow_inside and :py:class`ndwindow_index` for addition documentation.
Methods
| __init__(shape, wsize) | Set up the object |
| next(() -> the next value, or raiseStopIteration) |