Dear ALL, I am relatively new to Root and C++. I am having issues with trying to calibrate the x-axis–change it from channels to units of time–on my histograms; we have already figure out which channels correspond to what times, i.e. channel 371 is 94 ns, channel 1341 is 200 ns, and so on. I beilev…

Wile_E_Coyote July 28, 2014, 10:07pm 2

Can we shift histogram for several channels? ROOT

I’m not sure if this is fully kosher, but suit yourself : #include "TAxis.h" #include "TH1.h" #include "TArrayD.h" Double_t ScaleX(Double_t x) { Double_t v; v = 10 * x + 100; // "linear scaling" function example return v; } Double_t ScaleY(Double_t y) { Double_t v; v = 20 * y + 200; // "linear scaling" function example return v; } Double_t ScaleZ(Double_t z) { Double_t v; v = 30 * z + 300; // "linear scaling" function example return v; } void ScaleAxis(TAxis *a, Double_t (…

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Time Callibration of Histograms