Get grid index of a grid point

Parameters¶

gp: numpy.ndarray

The point, shape: (n_dims,)

allow_outer: bool

Allow outermost point indices, else reduce those to lower-left cell corner

error: bool

Flag for throwing error if off-grid, else return None in that case

Returns¶

inds: numpy.ndarray

The lower-left grid corner point indices, shape: (n_dims,)