Hi,
I cannot reproduce your problem.
I can read your ascii file, fill the Tree, and draw the 3 plots.
It must be something connected with your project set-up.
Please, do not send large files as you did (5 times) to roottalk.
You are blocking the activity of the newsgroup.
Rene Brun
On Wed, 13 Nov 2002, payman hosseini wrote:
> 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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