r3js (version 0.0.2)

arrows3js: Add arrows to a data3js object

Description

Add arrows to a data3js object

Usage

arrows3js(
  data3js,
  from,
  to,
  lwd = 1,
  arrowhead_width = 0.2,
  arrowhead_length = 0.5,
  col = "black",
  mat = "lambert",
  ...
)

Value

Returns an updated data3js object

Arguments

data3js

The data3js object

from

nx3 matrix of coords for the arrow start points

to

nx3 matrix of coords for the arrow end points

lwd

line width

arrowhead_width

arrowhead width

arrowhead_length

arrowhead length

col

color

mat

material (see material3js())

...

other arguments to pass to material3js()

See Also

Other plot components: axis3js(), box3js(), grid3js(), legend3js(), light3js(), lines3js(), mtext3js(), points3js(), segments3js(), shape3js(), sphere3js(), surface3js(), text3js(), triangle3js()

Examples

# Draw a set of arrows
from <- cbind(
  runif(10, 0.2, 0.8),
  runif(10, 0.2, 0.8),
  runif(10, 0.2, 0.8)
)

to <- jitter(from, amount = 0.2)

# Setup base plot
p <- plot3js(label_axes = FALSE)

# Add arrows
p <- arrows3js(
  p, from, to,
  arrowhead_length = 0.06,
  arrowhead_width = 0.04,
  lwd = 0.01
)

# View the plot
r3js(p, translation = c(0, 0, 0.15), zoom = 2)