Re: [IMP-dev] IMP::algebra::get_uniform_cover_rotations_3d

[Keren Lasker <kerenl@salilab.org>]

thanks Daniel.
you mean that its uniform on patches of the same area on the sphere  
right?
in that case it might be ok.
On Oct 6, 2010, at 5:22 PM, Daniel Russel wrote:

> If you don't have cgal installed, it just takes n random points  
> uniformly over the upper half of the 4 sphere.If you have CGAL, it  
> smooths them out some.
> I'm not sure what you mean by poles (it is uniform over the upper 4- 
> sphere).
> On Oct 6, 2010, at 6:43 AM, Keren Lasker wrote:
>
> > hi Daniel -
> >
> > Frido and I are using get_uniform_cover_rotations_3d for exhaustive
> > rotational sampling.
> > The code for this function seems to sample random vectors on a 4D
> > sphere.
> > How sensitive is it to poles over sampling?
> >
> > thanks,
> > Keren.
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