separate T0 and V0 directory, V0 geometry and hits

[AllaMaevskaya]

No description provided.

[shahor02]

Hi @AllaMaevskaya , please see a few comments below.

[shahor02]

please leave the ACO last, just reassign T0=11, V0=12, FIT=13 and ACO=14

[shahor02]

And propagate the same to names

[shahor02]

... and masks

[shahor02]

do you nee o2::fit namespace declaration here? Below you use explicitly o2::fit::Digit.

[shahor02]

I would remove the macros relying on the FairRunAna chain. The DPL digitizer-workflow should be used.

[shahor02]

To be sure: what is the reason to have common V0,T0 digits (under the fit namespace) and separate RecPoints?

[shahor02]

in the HitType.h the HitType is defined in the o2::namespace, as well as in many places below.

[shahor02]

Above the V0 derives its own Hit class directly from the BasicXYZEHit. If this class is for T0 only, why is it in the common dir.?