- TCanvas* PlotSeedingConfiguration(Char_t *direction, Int_t event, Int_t Candidate);
- TCanvas* PlotFullTrackFit(Int_t event, Int_t candidate, Int_t iteration = -1, Char_t *direction = "y");
+ TCanvas* PlotSeedingConfiguration(const Char_t *direction, Int_t event, Int_t Candidate);
+ TCanvas* PlotFullTrackFit(Int_t event, Int_t candidate, Int_t iteration = -1, const Char_t *direction = "y");