Dear all I have a problem when I want to use the ROOT to make a profile. I use the different options to make a profile from a 2D histogram but I don't see different results. In a file which is called His2Prof.ps you can find a 2Dhistogram and a profile which its option is default. In its macro there are these lines: TH2F *EnergyUp =new TH2F("EnergyUp","Energy Vs Position Run664 Adc141,143 Right Adc166,164 Left",50,-25,25,400,-200,200); TProfile *PROFILE=EnergyUp.ProfileY("PROFILE",-15,10); I think it's O.K,but in another file (AllOptProf.ps) I try to fill four profiles with different options. TProfile *PROFILE1 =new TProfile("PROFILE1 ","Energy Vs Position Run664 Adc141,143 Right Adc166,164 Left",39,-27,12); TProfile *PROFILE1s =new TProfile("PROFILE1s","Energy Vs Position Run664 Adc141,143 Right Adc166,164 Left",39,-27,12,"s"); TProfile *PROFILE1i =new TProfile("PROFILE1i","Energy Vs Position Run664 Adc141,143 Right Adc166,164 Left",39,-27,12,"i"); TProfile *PROFILE1G =new TProfile("PROFILE1G","Energy Vs Position Run664 Adc141,143 Right Adc166,164 Left",39,-27,12,"G"); and they are drawed respectively.You can see that only the profile with default option is different with other profiles.Although the errors of different parameters are different. I hope you can help me to solve this problem. Sincerely Yours Saeid Paktinat
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