hi,
in your macro I put: hist1->SetFillStyle(1001);
after the color setting and I get a filled histogram. I changed to any 
style and it is fine .. I do not see any problem. 
I am using root 5.09/01 on linux
olivier
On Thu, 9 Feb 2006, Gerhard Brandt wrote:
> 
> hi,
> 
> i've got a problem that seems very basic but i
> can't find the solution:
> 
> does anyone have a working example of how to read
> a histogram from a file and change the style so it
> is filled? changing markers, linewidth etc. works
> but i can't get it filled.
> 
> i am using ROOT 4.00.08 (in a brief scan of CVS messages in
> histpainter i saw no obvious fixes since then).
> macro below.
> 
> thanks !
> 
> gerhard
> 
> 
> {
> 
>    gROOT->Reset();
>    gROOT->SetStyle("Plain");
>    gStyle->SetHistFillStyle(1001);
>    gStyle->SetHistFillColor(2);
>    gROOT->ForceStyle();
> 
>    TCanvas *canv = new TCanvas("canv", "canvas", 800, 600);
>    canv->UseCurrentStyle();
> 
>    TFile file1("histo.root");
> 
>    TIter keys(file1->GetListOfKeys());
>    TKey* key;
>    while ( key = (TKey*)(keys.Next()) ) {
> 
>       // Read histos
>       if ( !strcmp(key->GetClassName(), "TH1F") ) {
>         TString str(key->GetName());
> 
>         TH1F *hist1 = static_cast<TH1F*>(file1->Get(str));
>         if ( !hist1 ) {
>           cout << "Could not find "<<str<<" in "<<file1->GetName()<<endl;
>           continue;
>         }
>         cout << str << endl;
> 
>         hist1->SetDirectory(0);
>         hist1->SetFillColor(42);
> 
>         cout << hist1->GetFillColor() << endl;
>         cout << hist1->GetFillStyle() << endl; // this prints 1001 allright
> 
>         hist1->Draw();
> 
>      }
>    }
> }
> 
> 
> 
-- Org: CERN - European Laboratory for Particle Physics. Mail: 1211 Geneve 23 - Switzerland Mailbox: J25910 E-Mail: Olivier.Couet_at_cern.ch Phone: +41 22 7676522 WWW: http://cern.ch/Olivier.Couet/ Fax: +41 22 7670300Received on Thu Feb 09 2006 - 16:36:47 MET
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