Draw a 3D Arrow in an RGL Scene — arrow3d • heplots

Draws a 3D arrow in an rgl scene with barbs at the arrow head

Usage

arrow3d(
  p0 = c(0, 0, 0),
  p1 = c(1, 1, 1),
  barblen,
  s = 0.05,
  theta = pi/6,
  n = 3,
  ...
)

Arguments

p0: Initial point (tail of arrow)
p1: Ending point (head of arrow)
barblen: Length of each barb, in data units
s: length of barb as fraction of line length (unless barblen is specified)
theta: opening angle of barbs
n: number of barbs
...: args passed to lines3d for line styling, e.g., color, lwd, etc. See material3d.

Value

Returns (invisibly): integer ID of the line added to the scene

See also

lines3d, segments3d,

Author

Barry Rowlingson, posted to R-help, 1/10/2010

Examples


arrow3d(c(0,0,0), c(2,2,2), barblen=.2, lwd=3, col="black")
arrow3d(c(0,0,0), c(-2,2,2), barblen=.2, lwd=3, col="red")