type: int, default:
Set the number of dimensions used for rendering.
The maximum value allowed is
dim are set, the latter specifies
the dimension used for layout, and the former for rendering.
dimen is set, this is used for both layout and rendering
Note that, at present, all aspects of rendering are 2D. This includes
the shape and size of nodes, overlap removal, and edge routing. Thus,
dimen > 2, the only valid information is the
attribute of the nodes.
All other coordinates will be 2D and, at best, will reflect a projection of a higher-dimensional point onto the plane.Valid on: