hi
as a simple script, the tree::draw(branch1:branch2) works fine under
windows
but, in a project, i get the run time error
attached is a simple c++ file that is almost the same as the one in the
OhRoot project that i sent you
however
in the ohroot project, i get the run time error
thanks
Paymon Hosseini
On Tue, 12 Nov 2002, Rene Brun wrote:
> Could you send me your full script as well as the input ascii file?
>
> Rene Brun
>
> On Tue, 12 Nov 2002, payman hosseini wrote:
>
> > hi
> >
> > When i try to graph two branches of a tree against each other
> >
> > tree->Draw("contrast:outcome");
> >
> > i get this error at run time:
> >
> > "
> > Microsoft Visual C++ Runtime Library
> > Runtime Error!
> > abnormal program termination
> > "
> >
> >
> >
> >
> > i can draw each branch separately
> > any ideas?
> >
> > here is the code:
> >
> > struct plaid_data_t
> > {
> > ULong_t trial_number;
> > Int_t outcome;
> > Float_t ang1;
> > Float_t ang2;
> > Int_t coh;
> > Int_t contrast;
> > };
> > plaid_data_t plaid_data;
> >
> >
> > FILE * fp = fopen(file_title,"r");
> > char line[1024];
> > TFile *f = new TFile("plaid_data_test.txt","RECREATE");
> > TTree *tree = new TTree("tree","plaid data from tab delimited
> > file");
> > //creat a branch
> >
> > tree->Branch("trial_number",&plaid_data.trial_number,"trial_number/i");
> > tree->Branch("outcome",&plaid_data.outcome,"outcome/I");
> > tree->Branch("ang1",&plaid_data.ang1,"ang1/F");
> > tree->Branch("ang2",&plaid_data.ang2,"ang2/F");
> > tree->Branch("coh",&plaid_data.coh,"coh/I");
> > tree->Branch("contrast",&plaid_data.contrast,"contrast/I");
> >
> >
> >
> > //fill tree from values in ascii file
> > fgets(line,1024,fp);//remove header
> > while(fgets(line,1024,fp))
> > {
> > sscanf(&line[0],"%lu%d%f%f%d%d",
> > &plaid_data.trial_number,
> > &plaid_data.outcome,
> > &plaid_data.ang1,
> > &plaid_data.ang2,
> > &plaid_data.coh,
> > &plaid_data.contrast);
> > tree->Fill();
> > };
> > TCanvas *can2 = new TCanvas();
> > can2->Divide(2,1);
> >
> > can2->cd(1);
> > tree->Draw("contrast");
> >
> >
> >
> > can2->cd(2);
> > tree->Draw("contrast:outcome");
> >
> > thanks
> >
> > Paymon Hosseini
> > University of Chicago
> >
> >
>
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