Hi Bill,
Running your test, I obtain:
root [0] .x Simple.C
bin 10,10 = 100000 316.228
projection 100000 316.228
<TCanvas::MakeDefCanvas>: created default TCanvas with name c1
Note that a problem was fixed in TH2::ProjectionX,Y a few weeks ago.
Rene Brun
On Wed, 4 Dec 2002, William Love wrote:
> Roottalk
>
> I made a simpler version of my problem. I forgot to mention
> that I am running Root 3.03/09 on Linux
>
>
> #include "TH2.h";
> #include "TH1.h";
> TH2D *exam;
> void Simple(){
>
> exam = new TH2D("exam","demo",36,-1.8,1.8,36,-180,180);
> for (int i=0;i<36;i++)
> {
> for (int j=0;j<36;j++)
> {
> exam->SetBinContent(i+1,j+1,100000);
> }
> }
> exam->Sumw2();
> cout << " bin 10,10 = " << exam->GetBinContent(10,10) <<" " <<
> exam->GetBinError(10,10) <<endl;
> exam->ProjectionX("pro1",10,10,"e");
> cout << "projection " << pro1->GetBinContent(10) << " " <<
> pro1->GetBinError(10) << endl;
> pro1->Draw();
> return();
> }
>
> This code prints
> *** Start at Date : Wed Dec 4 16:07:41 2002
> QAInfo:You are using STAR_LEVEL : dev, ROOT_LEVEL : 3.03.09 and node :
> rcas6006.rcf.bnl.gov
> root.exe [0]
> Processing Simple.C...
> bin 10,10 = 100000 316.228
> projection 100000 100000
> <TCanvas::MakeDefCanvas>: created default TCanvas with name c1
>
> Bill Love
> He was screaming in agony. Fortunately I speak it fluently.
>
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