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Moving the TPC calibration using tracks from separate directory to the TPC directory
[u/mrichter/AliRoot.git] / TPC / AliTPCTransform.h
1 #ifndef ALITPCTRANSFORM_H
2 #define ALITPCTRANSFORM_H
3
4 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
5  * See cxx source for full Copyright notice                               */
6
7 /* $Id$ */
8
9 //
10 //    Class for tranformation of the coordinate frame
11 //    Transformation  
12 //      local coordinate frame (sector, padrow, pad, timebine) ==>
13 //      rotated global (tracking) cooridnate frame (sector, lx,ly,lz)
14 //
15
16 #include "AliTransform.h"
17
18 class AliTPCTransform:public AliTransform {
19 public:
20   AliTPCTransform();
21   virtual ~AliTPCTransform();
22   virtual void Transform(Double_t *x,Int_t *i,UInt_t time,
23                          Int_t coordinateType);
24 protected:
25   void Local2RotatedGlobal(Int_t sec,  Double_t *x) const;
26   void RotatedGlobal2Global(Int_t sector,Double_t *x) const;
27   void Global2RotatedGlobal(Int_t sector,Double_t *x) const;
28   void GetCosAndSin(Int_t sector,Double_t &cos,Double_t &sin) const;
29 private:
30   Double_t fCoss[18];  // cache the transformation
31   Double_t fSins[18];  // cache the transformation
32
33   ClassDef(AliTPCTransform,1)
34 };
35
36 #endif