Gabriele Cosmo
41 lines
1.2 KiB
C++
41 lines
1.2 KiB
C++
{
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TFile f("brachytherapy.root");
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TDirectory* dir = (TDirectory*)f.Get("ntuple");
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TTree* ntuple = (TTree*)dir->Get("EnergyDeposition");
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ntuple -> Print();
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Int_t index;
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Double_t xx;
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Double_t yy;
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Double_t zz;
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Double_t edep;
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ntuple->GetBranch("xx")->SetAddress(&xx);
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ntuple->GetBranch("yy")->SetAddress(&yy);
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ntuple->GetBranch("zz")->SetAddress(&zz);
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ntuple->GetBranch("edep")->SetAddress(&edep);
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// Print the content of the ntuple
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/*Int_t nevent = Int_t(ntuple->GetEntries());
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for ( Int_t i=0; i<nevent; i++ ) {
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ntuple->GetEvent(i);
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cout << "xx, yy, zz, edep: "
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<< xx << ", " << yy << ", " << zz << ", " << edep << endl;
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}
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*/
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// The phantom is 30 cm wide along x, y, z
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// the voxel size is 1 mm. The number of voxels is 300 along x, y, z
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// Plot the energy deposition in the phantom in 3D
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TH3F* edepDDistribution3D = new TH3F("h30", "3Dedepxyz",
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300, -150, 150, // binning, xmin, xmax, along x direction
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300, -150, 150, // binning, xmin, xmax, along y direction
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300, -150, 150);// binning, xmin, xmax, along z direction
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gStyle->SetPalette(1);
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ntuple.Draw("xx:yy:zz:edep>>h30", "", "colz");
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}
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