// Test points for auto calibration
virtual void GiveTestPoints(Int_t &n, Float_t *x, Float_t *y) = 0;
// Draw the segmentation zones
- virtual void Draw() = 0;
+ virtual void Draw(const char *opt = "") = 0;
// Function for systematic corrections
// Set the correction function
virtual void SetCorrFunc(Int_t, TF1*) = 0;