I draw few TGraphs together and then add second Y-axis on the right hand side of gpad. if I put “SaveAs” before drawing the second axis, it shown on the screen fine: 
, but when I open the saved file, it has no second axis. Then I put the “SaveAs” line after the new axis draw and it creates the picture with displaced location of the 2nd axis. 
. And the same goes for the image saved.
Any help please ?
Yes that’s weird. Can you post a macro reproducing this issue ?
I tried with the standard example transpad.C (which dos that too) and the additional axis is at the right place after a SaveAs in a pdf file.
Sure, here I made the macro short, also attached small input file.
You can produce both the pictures by commenting and un-commenting the SaveAs line.
test_macro.C (9.79 KB)
S_bg_sub_thd16_thp16_fi180.dat (1.27 KB)
I see, it works by placing following two lines…
can1->Modified();
can1->Update();
TGaxis *right_axis = new TGaxis(gPad->GetUxmax(),gPad->GetUymin(),
gPad->GetUxmax(), gPad->GetUymax(),0,rightmax,505,"+L");
…just before defining the new TGaxis.
solved. Thanks 
and doing the SaveAS at the end.