Hi Tudor,

re:
> wanna add one more future, dont know how to do it !
> if on brep first point was on surface - restrict to normal, there's restrictToObject
> (dont know much about it) and havent found normal* as reference scripting

To restrict a point pick on a surface normal you would need both the point on the surface and also the surface normal.

Then on the pointpicker, there's a restrictToLinePtDir( pt, dir ) function you can call.

- Michael