Int_t Wings()const{return fgkWings;}//Total number of SDD wings
Int_t Chips() const{return fgkChips;} // Number of chips/module
Int_t Channels() const{ return fgkChannels;}//Number of channels/chip
Int_t Wings()const{return fgkWings;}//Total number of SDD wings
Int_t Chips() const{return fgkChips;} // Number of chips/module
Int_t Channels() const{ return fgkChannels;}//Number of channels/chip