pub fn with_cell(cell: UnitCell) -> System {
        let mut configuration = Configuration::new();
        configuration.cell = cell;
        System::with_configuration(configuration)
    }
/// Create an empty system with a specific unit cell
Create an empty system with a specific unit cell
Create an empty system with a specific unit cell
pub fn with_cell(cell: UnitCell) -> System {
        let mut configuration = Configuration::new();
        configuration.cell = cell;
        System::with_configuration(configuration)
    }
pub fn with_cell ( cell : UnitCell ) -> System { let mut configuration = Configuration :: new ( ) ; configuration . cell = cell ; System :: with_configuration ( configuration ) }
Create an empty system with a specific unit cell
Create an empty system with a specific unit cell
cell
UnitCell