[pstricks] pst-rubans and 2d-arrows

[Herbert Voss]

Am 07.11.2015 um 13:47 schrieb Poul Riis:
> Before I can do that I need the 2D coordinates of the 3D coordinates of
> the endpoints of the arrow.
> How can I get them?
>

Define a 3d node with a symbolic name.

Herbert