Computes the distances between pairs of points taken from two different three-dimensional point patterns.
Point patterns in three dimensions (objects of class
Logical. Specifies whether to apply a periodic edge correction.
Given two point patterns in three-dimensional space, this function computes the Euclidean distance from each point in the first pattern to each point in the second pattern, and returns a matrix containing these distances.
This is a method for the generic function
for three-dimensional point patterns (objects of class
This function expects two
Y, and returns the matrix
[i,j] entry is the distance from
periodic=TRUE, then provided the windows
Y are identical and are rectangular,
then the distances will be computed in the ‘periodic’
sense (also known as ‘torus’ distance): opposite edges of the
rectangle are regarded as equivalent.
This is meaningless if the window is not a rectangle.
A matrix whose
[i,j] entry is the distance
i-th point in
j-th point in
based on code for two dimensions by Pavel Grabarnik.
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