View source: R/point_line_distance.R
nearestPointOnSegment | R Documentation |
This function calculates the coordinates of and the distance to the nearest point on a segment to a given point. This function does not work with geographic coordinates.
nearestPointOnSegment(s, p)
s |
A matrix representing the coordinates of the segment. The matrix has 2x2 dimension where each row represents one of the end points. |
p |
A vector representing the X and Y coordinates of the point. |
A vector with three numeric values representing X and Y coordinates of the nearest point on a segment to a given point as well as the distance between both points.
German Carrillo
The function was ported to R based on this code: http://pastebin.com/n9rUuGRh
nearestPointOnLine
, snapPointsToLines
segment = cbind(c(1,2),c(1,1.5))
point = c(1.2,1.5)
nearestPointOnSegment(segment, point)
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