Rene, I meant two pads and mouse zoom. Of course it is trivial to do in the solid code :) The problem is that I have checked zooming in root and do not see a straightforward way to catch a mouse zoom event and use it to zoom the second histogram. -----Original Message----- From: Rene Brun [mailto:brun@pcbrun.cern.ch] Sent: Sunday, February 27, 2000 9:38 AM To: Anton Fokin Cc: Rene Brun; roottalk@pcroot.cern.ch Subject: Re: Zooming two histograms in sync Anton, Assume TH1 *h1 in TPad *pad1 and h2 in pad2, do h1->GetXaxis()->SetRange(firstbin,lastbin); pad1->Modified(); h2->GetXaxis()->SetRange(firstbin,lastbin); pad2->Modified(); canvas->Update(); Rene Brun On Sat, 26 Feb 2000, Anton Fokin wrote: > Hi rooters, > > I have two histograms in two pads in a canvas and I zoom histograms in sync, > i.e. if I zoom the upper one, the lower one should also zoom to the same > range. (Imagine how it is important for time series applications). What is > the best way to implement it? > > Best regards, > Anton > >
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