He VAlii, do you really tried ever) "what you promoted" or you just repeat(beleave to) an advertisment (sorry, missspelling) Regards. Valeriy ----- Original Message ----- From: "Valeri Fine" <fine@bnl.gov> To: "'Valeriy Onuchin'" <Valeri.Onoutchine@cern.ch>; "'Andy Buckley'" <buckley@hep.phy.cam.ac.uk>; <roottalk@cern.ch> Sent: Friday, April 09, 2004 12:54 AM Subject: RE: [ROOT] PNG output? > He VAliey > > > Can you make a tine correction for > $ROOTSYS/tutotrials/pad2png.C > > Please add an operator > c->Update() > just before > gSystem->ProcessEvents(); > > So entire macro to be as follows: > > (hires07) [151] more pad2png.C > void pad2png() > { > // Create a canvas and save as png. > > TCanvas *c = new TCanvas; > TH1F *h = new TH1F("gaus", "gaus", 100, -5, 5); > h->FillRandom("gaus", 10000); > h->Draw(); > > c->Update(); > gSystem->ProcessEvents(); > > TImage *img = TImage::Create(); > > //img->FromPad(c, 10, 10, 300, 200); > img->FromPad(c); > > img->WriteImage("canvas.png"); > > delete h; > delete c; > delete img; > } > > To help the multithreaded version of ROOT with Qt layer under Windows. > It causes no harm. > Thank you in advance, > > ---- > Best regards > Valeri > > > > -----Original Message----- > > From: owner-roottalk@pcroot.cern.ch > [mailto:owner-roottalk@pcroot.cern.ch] On > > Behalf Of Valeriy Onuchin > > Sent: Thursday, April 08, 2004 3:58 PM > > To: Andy Buckley; roottalk@cern.ch > > Subject: Re: [ROOT] PNG output? > > > > Hi Andy, > > ROOT supports "PNG bitmap". > > Please, check $ROOTSYS/tutotrials/pad2png.C > > > > Regards. Valeriy > > > > win32gdk PNG is "almost ready" :-) > > > > > > > > Hi again, > > > > > > Is there any possibility that PNG bitmap output can be supplied in > ROOT > > > in addition to GIF format? This would be very nice, since GIF has a > > > certain stigma due to the LZW compression patent (even thought I > believe > > > it's now expired) and since PNG is simply a nicer, more modern > format. > > > Apologies if it's already supported --- I couldn't find any mention > of > > > it in the 4.00/03 release notes. > > > > > > Also, is there a way (e.g. a .rootrc directive) to specify the > preferred > > > output format from the canvas menu rather than have to drag the > > > drop-down list to the right position each time? This would also be > nice, > > > but is rather less important! > > > > > > Andy > > > > > > -- > > > Andy Buckley, HEP Group, Cavendish Lab, Cambridge > > > http://www.insectnation.org > > > > > > > >
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