Hi, I am plotting the TGraphError with a logarithmic scale on the y-axis by using the attached script and txt file below. But it is not accepting log scale neither through script nor manually through Draw Panel. Also, it picks the error bars of only graph2 not of graph1. [image] Can you please …

well, if you specify a valid positive range then you should remove SetMinimum() // Reads the points from a txt file and produces a simple comparison graph. void read_graph_txt_AMPT_data() { auto c=new TCanvas(); //c->SetGridy(); c->SetLogy(); TGraphErrors graph1("./data.txt","%lg %lg %…

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How to set logarithmic scale on y-axis in a TGraphError script

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