[cctbxbb] Problem with direct_space_asu

[Nathaniel Echols]

On Tue, Jun 26, 2012 at 9:16 AM, Jan Marten Simons
<marten at xtal.rwth-aachen.de> wrote:
> as there seems to be no documentation on the direct_space_asu module I just
> tried to use it like I thought the function names imply.
>
> The task I want to accomplish is checking whether a point in direct space is
> inside the asymmetric unit of a given unit cell.
>
> A small testcase I wrote reveals that apparently .is_inside(point) only uses
> fractional coordinates instead of cartesian coordinates. Is there a nice/easy
> way to get the desired behaviour?

Yes, given a unit_cell object, you can do this:

asu.is_inside(unit_cell.fractionalize(site_cart))

-Nat