Add a line a existing histogram

fabien87 · September 1, 2018, 8:22am

Dear experts, I have a problem: I have already get all my histograms from my code that I have with geant4 now I want to add a line on each histogram which will show the nominal value excepted and will overlay a red line on each plot indicating the expected value. Please can you have any about this, I attach the code in order that you appreciates.

great thanks advance

D1.24.07.2018.tar.gz (494.7 KB)

couet · September 3, 2018, 8:06am

The simplest is to draw a TLine.

fabien87 · September 4, 2018, 2:10pm

Dear Olivier great Thanks, it has help me.

system · September 18, 2018, 2:21pm

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