I’m a newbie here, I want to draw a TF2 function with TGraph2D (or any 3D graph), is there anyway to draw directly instead of adding points to the graph like AddPoint(x, y, func->Eval(x,y))?
Thank you in advance
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ROOT Version: 6.26.02
Yes, if you know the analytic formula of the function just follow the TF2 doc.
Thank you count, actually I read the TF2 doc. before asking the question but didn’t get the answer… can you tell me more specifically about the method or where it is written?
I found it, thank you so much!
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