Implement module-theta readout (with per-layer merging)

[giovannimarchiori]

This code implements the cell positioning calculations for the module-theta merged readout implemented in HEP-FCC/FCCDetectors#56

Tagging @gartrog , @BrieucF

[kjvbrt]

Hi @giovannimarchiori,
since the new way how to calculate cell positions guts the original tool, would it be possible to instead create a new one? The interface for the cell positioning tools is defined in ICellPositionsTool.h.

[giovannimarchiori]

Hi @kjvbrt ,
could please elaborate more? I don't understand exactly what's the problem here. I took a code that was working only for a specific readout (eta-phi) and made it more general (not it works for eta-phi but also for theta-phi and for the theta-module merged readout). Are you saying it's better instead to have separate cell position tools for different readout so that each tool is easier to understand ? In that case, I can create a new tool CellPositionsECalBarrelFCCeeTool (or something like that) in RecFCCeeCalorimeter

[kjvbrt]

Yes, to have different tools for different readouts, this way the change is visible in the steering file.

[giovannimarchiori]

Hi @kjvbrt ,
I created a new tool as you suggested