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Hi, I'm trying to create a graphic with a time axis from an excel file. I had to change the times to timepassed in seconds because otherwise i could not get the graphic to plot like i wanted. This could work on a cleaner way but i can't fix it. The big question i'm having is if i can get the handle from the lines i plot so that when i plot (for example) 8 i can select which ones i can show on the graph. Or is the only way to do this plot the graphic again every time with the lines that i want to visualize. The excel contains the following data for now : column 1: value1 to be plotted column2: date of all the values column3: empty (i use this in my code) column4: value2 to be plotted 1143,186 2018-02-08 23:13:21,000 15,12461 I added my code after this. Thanks for any help!!