Voronoi

Just throwing this out there to see if I can get any answers... maybe... 

Can you plug a "Surface" into the B input of the Voronoi Component to use the surface as the bounding box?.... I have actually did this yesterday with the gh file I was using and it worked fine no problems.  I open it today and try a different surface and it won't let me use any surfaces for the B input now.... totally stumped and it kind of sucks because it adds a few extra steps to my work flow now... 

Also, what is Brute Force? I saw that when I right clicked on the Voronoi component and not sure what it is/does...

Anyone with possible suggestions... I will post my gh file but be aware it's a work in progress and kind of messy

Thanks,

Jason