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ROOT Version: 6.20.04
Platform: mac OS X 10.15
Compiler: Not Provided
the TCanvas::cd() not the right way!
It seems this method draw image on global pad c2->cd() not on sub pad
TImage* im = hdu.ReadAsImage(0);
should I open a issue of this on github repo?
thanks for the report, we collect bug reports at https://sft.its.cern.ch/jira/projects/ROOT , it would be great if you could report there too.
As explained by @couet … this is not a bug.
That is correct, I would made a pr on GitHub for tutorials.
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