//class AliITSdcsSSD;
class AliITSsegmentationSSD;
class AliITSCalibrationSSD;
+class TF1;
class AliITSsimulationSSD: public AliITSsimulation {
Double_t fDifConst[2]; // Diffusion constants [h,e] in cm**2/sec
Double_t fDriftVel[2]; // Drift velocities [P,N sides] cm/sec
+ TF1 *fTimeResponse; // signal time response function
+
ClassDef(AliITSsimulationSSD,2) // SSD signal simulation class
};