which_lines | R Documentation |
The function classifies points which appertain to a same directional line.
which_lines(coords, direction, tolerance = pi / 8)
coords |
an |
direction |
a |
tolerance |
a numerical value for the tolerance angle (in radians). It's |
The algorithm used by this function searches the nearest points to a directional line. The function classifies such pairs of points that have the minimum distance and the same direction of the vector \phi
.
This operation is done to order points, so that it's possible to compute mean lengths (mlen) and embedded transition probabilities (embed_MC).
A numerical vector containing the line number for each point.
Luca Sartore drwolf85@gmail.com
Sartore, L. (2010) Geostatistical models for 3-D data. M.Phil. thesis, Ca' Foscari University of Venice.
embed_MC
, mlen
, getlen
data(ACM)
direction <- c(0,0,1)
loc.id <- which_lines(ACM[, 1:3], direction)
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