arrowheadr (version 1.0.2)

arrow_head_hypotrochoid: Make spirograph arrowheads

Description

Make spirograph arrowheads

Usage

arrow_head_hypotrochoid(
  r = 4,
  R = 3,
  d = r,
  windings = r,
  rotate = 0,
  rescale = c(1, 1),
  nudge = c(0, 0),
  transformations = c("unitizer", "rotater", "rescaler", "nudger"),
  n = 361,
  plot = FALSE
)
arrow_head_deltoid(
  d = 2.6,
  rotate = pi,
  rescale = c(1, 0.5),
  nudge = c(0, 0),
  transformations = c("unitizer", "rotater", "rescaler", "nudger"),
  n = 361,
  plot = FALSE
)

Value

a matrix

Arguments

r

cycling circle radius

R

fixed circle radius

d

pen distance

windings

windings

rotate

rotation angle in radians

rescale

a single value or 2-length vector for scaling in x and y

nudge

a single value or 2-length vector for nudging in x and y

transformations

a vector of transformation functions

n

number of points in polygon

plot

plot arrowhead if TRUE

Examples

star5 <- arrow_head_hypotrochoid(plot = TRUE, rotate = pi)
star5_long <- arrow_head_hypotrochoid(
   plot = TRUE,
   r = 4,
   R = 3,
   rotate = pi,
   rescale = c(1, .4)
   )
deltoid_long <- arrow_head_deltoid(plot = TRUE, rescale = c(1,1))
deltoid_long <- arrow_head_deltoid(plot = TRUE)
deltoid_spaced <- arrow_head_deltoid(plot = TRUE,
                                    rescale = c(.6,.3),
                                    nudge = c(.4, 0))