How to fix the content of sub canvas of TCanvas?

ROOT
1

Hi all,
I am drawing a series of histograms which corresponding to different cuts.
A same histogram are filled with different contents when every TCanvas::cd(1,2,3…) command is executed.
But every divided canvas have same content because the histogram are updated like:

image
image522×1020 53.4 KB

How can I fix the content of each sub canvas?

2

The problem is kind of vague without showing the code you are using, so it’s better if you also show that. In any case, maybe you can use h->DrawCopy() on each pad, instead of h->Draw().