In article <0a4c46bb4e.martin@xxxxxxxxxxxxxxxxxxx>, Martin Wuerthner <lists@xxxxxxxxxxxxxxx> wrote: > In message <4ebb383f26a-graphics@xxxxxxxxxx> Richard Ashbery > <a-graphics@xxxxxxxxxx> wrote: [snip] > > Thats what I do but the very fact that you have to move the node > > away a bit reduces accuracy. > No, because one of the two nodes remains in its original position, > which then becomes the final position of the joined node, so the > fact that you moved one node away does not have any consequences. Yes of course it does - nicely explained - stupidly hadn't considered that before. Regards Richard