In the configuration file, section background has field factor where user can set a particular value of the background scattering length density. Allow for a new field, selection, where later ScatterFactors::compute_background will be invoked to compute the background scattering length density.
In the configuration file, section background has field factor where user can set a particular value of the background scattering length density. Allow for a new field, selection, where later
ScatterFactors::compute_background
will be invoked to compute the background scattering length density.