[cctbxbb] Fast way to enable/disable individual scatterers in structure factor calculation

[Luc Bourhis]

Hi Jan,

> I'm looking for a simple and fast way to set individual scatterers to be 
> either included or excluded from structure factor calculation.

I recommend not to do that. Instead I would create a new instance of xray.structure with those scatterers you want, using the the methods xxx_selection and then the method select, and then use it for structure factor calculations.

Best wishes,

Luc