2 // Original: AliL3DataCompressorHelper.h,v 1.4 2004/06/15 10:26:57 hristov Exp $
4 #ifndef AliHLTTPC_DataCompressorHelper
5 #define AliHLTTPC_DataCompressorHelper
7 #include "AliHLTTPCRootTypes.h"
9 class AliHLTTPCDataCompressorHelper {
12 virtual ~AliHLTTPCDataCompressorHelper() {}
14 static void SetBitNumbers(Int_t pad,Int_t time,Int_t charge,Int_t shape);
15 static void SetTransverseResolutions(Float_t res1,Float_t res2,Float_t res3,Float_t width=0.005);
16 static void SetLongitudinalResolutions(Float_t res1,Float_t res2,Float_t res3,Float_t width=0.005);
17 static void SetRemainingBitNumbers(Int_t pad,Int_t time,Int_t shape);
18 static Int_t GetNPadBits() {return fgNumPadBits;}
19 static Int_t GetNTimeBits() {return fgNumTimeBits;}
20 static Int_t GetNChargeBits() {return fgNumChargeBits;}
21 static Int_t GetNShapeBits() {return fgNumShapeBits;}
22 static Float_t GetXYWidthStep() {return fgXYWidthStep;}
23 static Float_t GetZWidthStep() {return fgZWidthStep;}
24 static Int_t GetClusterCharge() {return fgClusterCharge;}
25 static Float_t GetXYResidualStep(Int_t row);
26 static Float_t GetZResidualStep(Int_t row);
27 static Int_t GetNPadBitsRemaining() {return fgNumPadBitsRemaining;}
28 static Int_t GetNTimeBitsRemaining() {return fgNumTimeBitsRemaining;}
29 static Int_t GetNShapeBitsRemaining() {return fgNumShapeBitsRemaining;}
30 static Float_t GetPadPrecisionFactor();
31 static Float_t GetTimePrecisionFactor();
34 static Int_t Nint(Double_t x);
35 static Int_t Abs(Int_t d) { return (d > 0) ? d : -d; }
36 static Double_t Abs(Double_t d) { return (d > 0) ? d : -d; }
39 static Int_t fgNumPadBits; // Number of pad bits
40 static Int_t fgNumTimeBits; // Number of time bits
41 static Int_t fgNumChargeBits; // Number of charge bits
42 static Int_t fgNumShapeBits; // Number of shape bits
43 static Int_t fgNumPadBitsRemaining; // Number of remaining pad bits
44 static Int_t fgNumTimeBitsRemaining; // Number of remaining time bits
45 static Int_t fgNumShapeBitsRemaining; // Number of remaining shape bits
47 static Float_t fgXYResidualStep1; // XY resbual at step 1
48 static Float_t fgXYResidualStep2; // XY residual at step 2
49 static Float_t fgXYResidualStep3; // XY resudual at step 3
50 static Float_t fgZResidualStep1; // Z residual at step 1
51 static Float_t fgZResidualStep2; // Z resudual at step 2
52 static Float_t fgZResidualStep3; // Z resudual at step 3
53 static Float_t fgXYWidthStep; // Width of XY step
54 static Float_t fgZWidthStep; // Width of Z step
55 static Int_t fgClusterCharge; // Cluster charge
58 ClassDef(AliHLTTPCDataCompressorHelper,1)