PAW to ROOT conversion table


PAW

ROOT
Files:
Files:
 histo/file 10 histos.hbook 
 histo/file 10 histos.hbook ! N 
 histo/file 10 histos.hbook ! U		  TFile *hfile = new  TFile("histos.root"); 
 TFile *hfile = new  TFile("histos.root","new"); 
 TFile *hfile = new  TFile("histos.root","update");
 histo/list 10  hfile.ls(); (or just .ls)
 cd //lun10  hfile.cd();
 hrout 10  hfile->Write();
 close 10  hfile->Close();
Histos:
Histos:
 1-dim:  1-dim: 
 1d/crea 10 'title' nbins xlow xup  TH1F *h10 = new TH1F("h10","title",nbins,xlow,xup);
 histo/plot 10   h10->Draw();
 histo/plot 10 e1,s  h10->Draw("e1same");
 null xmin xmax ymin ymax 
 histo/plot 10 s		  TH2F frame = new TH2F("frame","",ncx,xmin,xmax,ncy,ymin,ymax); 
 frame->Draw(); 
 h10->Draw("same")
 histo/plot 10(20.:50.) h10->GetXaxis()->SetRange(20,50);
h10->Draw();
 set hcol 5 h10.SetLineColor(5);
 histo/op/add 10 11 12 a b  TH1F *h12 = new TH1F(*h10); 
 h12->Add(h10,h11,a,b);
 histo/fit 10 chopt     (chopt=G/pN/func/myfit.for/...)  h10->Fit("opt");   (opt=gaus/pN/myfunc/myfit.C/...)
 histo/fit 10(15.:25.) chopt    (chopt=G/pN/func/myfit.for/...)   h10->Fit("opt","R","",15,25);     (opt=gaus/pN/myfunc/myfit.C/...) 
 loca -i  h10->Integral();
 histo/del 10  h10->Delete();
 2-dim:  2-dim:
 2d/crea 20 'title' ncx xmin xmax ncy ymin ymax  TH2F *h20 = new TH2F("h20","title",ncx,xmin,xmax,ncy,ymin,ymax); 
 histo/plot 20 chopt (chopt=box/col/cont/...)  h20->Draw("opt");  (opt = box/col/cont/...)
 min 20 5 
 max 20 10		  h20->SetMinimum(5); 
 h20->SetMaximum(10);
 prox 20 
 histo/proj 20 
 histo/plot 20.prox 		  h20->ProjectionX("Xproj",); 
 Ntuples:
 Trees:
 ntuple/create 100 ' ' 3 ' ' 1024 x y z   TTree *t100 = new TTree("t100","Tree 100","z:y:x"); 
 ntuple/print 100   t100->Print(); 
 ntuple/scan 100  t100->Scan();
 ntuple/plot 100.x   t100->Draw("x"); 
 ntuple/plot 100.x x>0   t100->Draw("x","x>0");
 ntuple/plot 100.x ! ! ! ! s  t100->Draw("x","","same");
 ntuple/plot 100.y%x   t100->Draw("y:x"); 
 ntuple/plot 100.z%y%x   t100->Draw("z:y:x"); 
 ntuple/plot 100.x*x+y*y   t100->Draw("x*x+y*y");
 ntuple/proj 10 100.x   t100->Draw("x>>h10"); 
 ntuple/uwfnc 100 file.for  t100->MakeCode("file.root"); 
cut 20 mass.lt.90
nt/pl 10.foo $20 		char mycut[]="mass<90";
rntp->Draw("foo",mycut);
 Functions:
 Functions:
 fun/plot sin(x) 100 0. 3.14 

 histo/plot 12345		  TF1 *f1 = new TF1("f1","sin(x)",0,10); 
 f1->Draw();
 (f1->GetHistogram())->Draw();
 fun2 10 sin(x)*sin(y) 100 0. 3.14 100 0. 3.14 
 histo/plot 10 surf4 		  TF2 *fun2 = new TF2("fun2","sin(x)*sin(y)",0.,3.14,0.,3.14); 
 fun2->Draw("surf4"); 
 Setting Options: set and opt
 ROOT
set stat 1111 gStyle->SetOptStat(1111);
set csiz 0.5 gStyle->SetStatFontSize(0.5);
 opt logy 
 opt liny		  c1->SetLogy(); 
 c1->SetLogy(0);
 Windows/Graphics:
 Canvas:
 (Open HIGZ window)  TCanvas *c1 = new TCanvas("c1","title",sizex,sizey); 
 next  c1->Clear();
 (Refresh changes in window)  c1->Update();
 zone 1 2 
 histo/plot 1 
 histo/plot 2 		  c1->Divide(1,2); 
this clears and divides canvas into 2 pads named c1_1 and c1_2
 c1_1->cd(); 
 h1->Draw(); 
 c1_2->Draw(); 
 c1_2->cd(); 
 h2->Draw();
 fortran/file 66 graph.ps   (or:   graph.eps) 
 meta -66 -111   (or:   -113)
 picture/plot 
 fortran/close 66 		  c1->Draw(); 
 c1->Print("graph.ps");
 or:   c1->Print("graph.eps");
 (Create "last.kumac")  c1->Print("graph.C"); 
 c1->Print("graph.root");
 Primitives:
 Primitives:
Add a legend to a histogram.
You might do this with symbol and/or itx commands in Paw.		 leg = new TLegend(0.6,0.7,0.89,0.89); //coords are fractions of pad dimensions
leg->SetHeader("The Legend Title");
leg->AddEntry(h11,"First histo","l"); // "l" means line; use "f" for a box
leg->SetTextSize(0.04); // set size of text
leg->SetMarkerSize(1.4); // increase markersize so that they are visible
leg->SetFillColor(0); // Have a white background
leg->AddEntry(h1, "text 1", "p"); // p shows points,
leg->Draw();
 text 0.5 0.5 "TEXT" 0.35 45  TText *t1 = new TText(0.5,0.5,"TEXT"); 
 t1->SetTextSize(0.35); 
 t1->SetTextAngle(45); 
 t1->Draw(); 
 line 0.05 0.05 0.95 0.95   TLine *line1 = new TLine(0.05,0.05,0.95,0.95); 
 line1->Draw(); 
 arrow 5. 5. 10. 10. 0.3   TArrow *arrow1 = new TArrow(5.,5.,10.,10.,0.03,">"); 
 arrow1->Draw();
 Other useful commands:
 Other useful commands:
 exec macro.kumac  .x macro.kumac 
 shell (command)  .! (command)
 exit  .q
 ldir  .ls
 cd  .pwd()
 mdir subdir  dir.mkdir("subdir")  (dir=gROOT,hfile, ...)
 cd dir  dir.cd()   or   .cd("hfile.root"); 
 cd //PAWC  gROOT.cd()
 lcdir  .which
 mess "Welcome"  printf("Welcome\n");
 (Load a file)  .L myfit.C
 trace on  .s
 (PAW++ mode)  TBrowser *b = new TBrowser