Filling a TGraph with strings on axis label

[couet]

I think you made a double posting. See my answer here:

TGraph with string values - string values on X axis won't display

Hi everyone, I am plotting a graph with double Y axis and string values on the X axis, but along the x axis the values aren’t displayed. It just shows one of them at the end. Any idea how to solve this? void plot(){ std::vector<Double_t> y_vals; std::vector<std::string> x_labels; std::vector<Double_t> y2_vals; auto c=new TCanvas(); c->SetGrid(); // Fill the vectors here std::ifstream file ("data40K.txt"); if(!file){ cout << "File doesn't exist" << endl; } std::string x; double x2, y, y2; …