6 class AliTPCExB:public TObject {
8 virtual ~AliTPCExB() {};
9 virtual void Correct(const Double_t *position,Double_t *corrected)=0;
10 virtual void CorrectInverse(const Double_t *position,Double_t *corrected) {
11 Correct(position,corrected);
12 for (Int_t i=0;i<3;++i)
13 corrected[i]=position[i]-(corrected[i]-position[i]);