yade-users team mailing list archive

[Václav Šmilauer <eu@xxxxxxxx>]

Hi Klaus,
> pack.inAlignedBox just works for a box which is aligned to the coordinate
> system. Is there a way to get an arbitrary aligned box (e.g. by transforming
> the aligned box)?
If you need the sphere packing, you can transform it with 
https://www.yade-dem.org/sphinx/yade.pack.html#yade._packSpheres.SpherePack.rotate 
. Let me know if that is not enough for your purposes.

The reason I did not create general box orientation is that checking 
whether particle is inside or outside is more complicated; but now I 
have the idea that it could be actually done by keeping corners and box 
transformation in the predicate, then transforming points to be checked, 
rather than checking points against true (non-aligned) boundaries.
> Is there a way to generate particles on a plane (e.g. gts-surface)?
Probably not directly (though you could create a thin volume for 
instance). Can you be more specific as to what usage you have in mind?

Cheers, Václav