View source: R/geometrical_functions_sf.R
nearest_lines | R Documentation |
Find for each point its nearest LineString
nearest_lines(points, lines, snap_dist = 300, max_iter = 10)
points |
A feature collection of points |
lines |
A feature collection of linestrings |
snap_dist |
A distance (float) given to find for each point its nearest line in a spatial index. A too big value will produce unnecessary distance calculations and a too short value will lead to more iterations to find neighbours. In extrem cases, a too short value could lead to points not associated with lines (index = -1). |
max_iter |
An integer indicating how many iteration the search algorithm must perform in the spatial index to find lines close to a point. At each iteration, the snap_dist is doubled to find candidates. |
# this is an internal function, no example provided
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