cross3d function

Draw a 3D cross in an rgl scene

Draws a 3D cross or axis vectors in an rgl scene.

cross3d(centre = rep(0, 3), scale = rep(1, 3), ...)

Arguments

• centre: A scalar or vector of length 3, giving the centre of the 3D cross
• scale: A scalar or vector of length 3, giving the lengths of the arms of the 3D cross
• ...: Other arguments, passed on to segments3d

Returns

Used for its side-effect, but returns (invisibly) a 6 by 3 matrix containing the end-points of three axes, in pairs.

See Also

segments3d

Author(s)

Michael Friendly