`casagui.utils._regions`

Module Contents

Returns indexes for a 2D array of the given shape which

casagui.utils._regions.polygon_indexes(xs, ys, shape)

Returns indexes for a 2D array of the given shape which lie within the polygon specified by xs and ys.

Parameters:

xs (list of numbers) – the X coordinates for the vertices of the polygon
ys (list of numbers) – the Y coordinates for the vertices of the polygon
shape (( int, int )) – the shape of the plane in which the polygon is found

Returns:

the stream of tuples that is returned will be the indexes of the elements which lie within the polygon

Return type:

generator of tuples