gemgis.utils.get_nearest_neighbor

gemgis.utils.get_nearest_neighbor(x: numpy.ndarray, y: numpy.ndarray) → numpy.int64

Function to return the index of the nearest neighbor for a given point Y

Parameters

• x (np.ndarray) – Array with coordinates of a set of points, e.g. x=np.array([(0,0), (10,10)])

• y (np.ndarray) – Array with coordinates for point y, e.g. y=np.array([2,2])

Returns

index – Index of the nearest neighbor of point set X to point Y

Return type

np.int64

New in version 1.0.x.

Example

>>> import gemgis as gg
>>> import numpy as np
>>> x = np.array([(0,0), (10,10)])
>>> x
array([[ 0,  0],
        [10, 10]])

>>> y = np.array([2,2])
>>> y
array([2, 2])

>>> index = gg.utils.get_nearest_neighbor(x=x, y=y)
>>> index
0

See also

calculate_number_of_isopoints

Calculating the number of isopoints that are necessary to interpolate lines