heplots (version 1.6.2)

arrow3d: Draw a 3D Arrow in an RGL Scene

Description

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,
  ...
)

Value

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

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.

Author

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

See Also

lines3d, segments3d,

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")