sfc_previous_point,sfc_base-method {sfcurve} | R Documentation |
The previous and the next point
Description
The previous and the next point
Usage
## S4 method for signature 'sfc_base'
sfc_previous_point(p, x, rot, length = 1)
## S4 method for signature 'sfc_base'
sfc_next_point(p, x, rot, length = 1)
Arguments
p |
An |
x |
The coordinate of the current point. |
rot |
Rotation of the current point. |
length |
Length of the segment between the previous/next point and the current point. |
Value
A vector of length two.
Examples
sfc_previous_point(BASE_R, c(0, 0), 0)
sfc_previous_point(BASE_R, c(0, 0), 90)
sfc_previous_point(BASE_R, c(0, 0), 180)
sfc_previous_point(BASE_R, c(1, 0), 0)
sfc_previous_point(BASE_R, c(1, 0), 90)
sfc_previous_point(BASE_R, c(1, 0), 180)
sfc_next_point(BASE_R, c(0, 0), 0)
sfc_next_point(BASE_R, c(0, 0), 90)
sfc_next_point(BASE_R, c(0, 0), 180)
sfc_next_point(BASE_R, c(1, 0), 0)
sfc_next_point(BASE_R, c(1, 0), 90)
sfc_next_point(BASE_R, c(1, 0), 180)
[Package sfcurve version 1.0.0 Index]