> He VAlii,
> do you really tried ever) "what you promoted"
> or you just repeat(beleave to) an advertisment (sorry, missspelling)
>
One needs about 5 min (depends of your WAN bandwidth) to see it
him/herself
1. Install QtRoot
http://root.bnl.gov/QtRoot/downloads/root.3.10.02.exe
from http://root.bnl.gov (It is one click internet installation)
2. Click ROOT icon on your desktop. It takes about 0.3 sec
3. Type ROOT command it takes about 5 sec
root [0] .x pad2png.C It takes about 0.75 sec on 850Mg
Pentium
4. Check whether canvas.png file is in place. It takes about 5 sec.
You can do this from the ROOT session with the command
root [1] .!dir canvas.png
So total to make sure it works properly on needs 5 min to download and
6-7 sec to test.
Hope this answers your question.
My best regards,
Valeri Fine
> 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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