[pstricks] What is wrong here?

[Herbert Voss]

Am 30.04.2010 20:30, schrieb Zbigniew Nitecki:
> I'm attaching a file and an output picture. Briefly, here is the code:

> Note the following features: the first multido draws gray arrows, whose starting 
> points should lie on the dashed given by the last parametricplot.
> 
> I don't see any difference between the coding of the curve and of the starting 
> points (other than \rt in place of u). Yet look where the arrow start.
> 
> What have I done wrong?

do not load pst-solides3d together with pst3dplot!
There are some negative interaction between these packages.

Herbert