heplots (version 0.8-1)

cross3d: Draw a 3D cross in an rgl scene

Description

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

Usage

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

Value

• 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