[pstricks] Saving and Reusing x-coordinate alone?

[Hendrik Hoeth]

Thus spake In-Sung Cho (ischo2k at gmail.com):
> For example:
> \psIntersectionPoint(-5,-1)(5,5)(-5,3)(!2 sqrt 5){IP}
> 
> I am looking for some way or trick to save the x-coordinate of (IP)
> and reuse it like \psdot(x-coordinate of A, 1) or print its value.

Have you tried this:

\SpecialCoor
\psdot(A|0,0.7)

It should use the x-coordinate of A and the y-coordinate of (0,0.7).

> And what about in the case of the three-dimensional coordinates?

Dunno ...

-- 
The cause of the problem is: Routing problems on the neural net.
(BOFH excuse #304)