Hello, my name is Tobias Rustige, I am working in the research center of Jülich in the medical physics. For purpose of developing detektors for tomographs we use Geant 4 simulation tool. So far so good, but now is the time to visualize the particulary huge data output of the simulation. I have to mention I am very new in root and have the following questions: How can I include root histograms in the G4 source code to fill them during the simulation ?? Or I have the following situation: The simulation delivers a data output in the form of 1.23 3.223 223.2 928 ... x-value space y-value << endl That means I obtain a huge vector with the x,y tupel entries at every line. This vector should now be visualzed as a scatter plot or something else. Has someone an idea how to realize this and how to read this variabel vector in root and how to plot it ???? Is there at all the possibility to import such a file like in EXCEL or Sigmaplot ?? The general problem is, how to deal with external files like data output files from a g4 simulation and how you can sort and plot or histogram them with root ... I hope someone of you will find the time to answer me....... With my best regards Tobias Rustige
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