Root Cause

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9 years !!

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6. Appears 4s
When executing root
To see the list of all
contributors, select the
HELP button in the browser
or canvas.
The window auto scrolls
Until you click on it.

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9. Mails to roottalk + mails to rootdev and root-bugs
PLEASE:
-Always indicate a mail subject
-Always indicate which version of ROOT and which OS
-Send a x.tar.gz file instead of many files in attachement
+ mails about-root-fnal
+ direct mails to team members
+ spam mail

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We have implemented more than 80% of our plan announced
at the previous workshop in October 2002. See:
ftp://root.cern.ch/root/R2002/future.pdf
We have implemented many new features not foreseen
in Oct 2002

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14. Plugin.TFile: ^rfio: TRFIOFile RFIO "TRFIOFile(const char*,Option_t*,const char*,Int_t)"
+Plugin.TFile: ^castor: TCastorFile RFIO "TCastorFile(const char*,Option_t*,const
char*,Int_t,Int_t)"
+Plugin.TFile: ^dcache: TDCacheFile DCache "TDCacheFile(const char*,Option_t*,const char*,Int_t)"
+Plugin.TFile: ^chirp: TChirpFile Chirp "TChirpFile(const char*,Option_t*,const char*,Int_t)"
Plugin.TSystem: ^rfio: TRFIOSystem RFIO "TRFIOSystem()"
Plugin.TSQLServer: ^mysql: TMySQLServer MySQL "TMySQLServer(const char*,const char*,const char*)"
+Plugin.TSQLServer: ^pgsql: TPgSQLServer PgSQL "TPgSQLServer(const char*,const char*,const char*)"
+Plugin.TSQLServer: ^sapdb: TSapDBServer SapDB "TSapDBServer(const char*,const char*,const char*)"
+Plugin.TSQLServer: ^oracle: TOracleServer Oracle "TOracleServer(const char*,const char*,const char*)"
Plugin.TGrid: ^alien TAlien RAliEn "TAlien(const char*,const char*,const char*,const char*)"
Plugin.TVirtualPad: * TPad Gpad "TPad()"
Plugin.TVirtualHistPainter: * THistPainter HistPainter "THistPainter()"
Plugin.TVirtualTreePlayer: * TTreePlayer TreePlayer "TTreePlayer()"
Plugin.TVirtualTreeViewer: * TTreeViewer TreeViewer "TTreeViewer(const TTree*)"
Plugin.TVirtualGeoPainter: * TGeoPainter GeomPainter "TGeoPainter()"
Plugin.TVirtualUtil3D: * TUtil3D Graf3d "TUtil3D()"
Plugin.TVirtualUtilHist: * TUtilHist Hist "TUtilHist()"
Plugin.TVirtualUtilPad: * TUtilPad Gpad "TUtilPad()"
Plugin.TVirtualFitter: Minuit TFitter Minuit "TFitter(Int_t)"
+Plugin.TVirtualFitter: Fumili TFumili Fumili "TFumili(Int_t)"
Plugin.TVirtualPS: ps TPostScript Postscript "TPostScript()"
+Plugin.TVirtualPS: svg TSVG Postscript "TSVG()"
Plugin.TViewerX3D: x11 TViewerX3D X3d "TViewerX3D(TVirtualPad*,Option_t*)”
+Plugin.TViewerX3D: qt TQtViewerX3D QtX3d "TQtViewerX3D(TVirtualPad*,Option_t*)”

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Root > .x file.C++
Root > .x file.C+
Root > .x file.C++g

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#include “TObject.h”
Class MyClass : public TObject {
int i,j,k;
ClassDef(MyClass,1)
};
TTree T(“T”,”test foreign”)
MyClass *a = new MyClass;
T.Branch(“event”,”MyClass”,&a);
Class MyClass {
int i,j,k;
};

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24. void FitBench(Int_t npass=100) {
TCanvas *c1 = new TCanvas("c1");
c1->Divide(1,2);
fitFcn = new TF1("fitFcn",fitFunction,0,3,6);
fitFcn->SetNpx(200);
gStyle->SetOptFit();
gStyle->SetStatY(0.6);
//with Minuit
c1->cd(1);
TVirtualFitter::SetDefaultFitter("Minuit");
DoFit(npass);
//with Fumili
c1->cd(2);
TVirtualFitter::SetDefaultFitter("Fumili");
DoFit("Fumili",npass);
}
Choose Fitter at run time
or via system.rootrc

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26. 
TCanvas c;
Double_t x, y, z, P = 6.;
Int_t np = 200;
TGraph2D dt;
TRandom r;
for (Int_t N=0; N<np; N++) {
x = 2*P*(r.Rndm(N))-P;
y = 2*P*(r.Rndm(N))-P;
z = (sin(x)/x)*(sin(y)/y)+0.2;
dt.SetPoint(N,x,y,z);
}
gStyle->SetPalette(1);
dt.Draw("surf1");
dt.Draw(“same p0”);

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31. 
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See Philippe
See Eddy
See Gerri
See Fons & Maarten
See Ilka

32. 
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see BaBar talks
see Andrei Gheata /Alice
see Valeri Fine/STAR
see Ilka
see Fons
see Wim /Atlas/LBL

33. #include “Rtypes.h”
class MyClass {
int i,j,k;
ClassDef(MyClass,1)
};
....
bytecount
version
ObjectN
bytecount
version
objectN+1
....
class MyClass {
int i,j,k;
};
....
Bytecount
0
checksum
ObjectN
Bytecount
0
checksum
objectN+1
....
4 bytes
2 bytes
2 bytes
4 bytes
4 bytes
buffer
buffer
foreign class

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37. 1-Toggle
Editor
mode
2-Click
On the object
to be
edited
3-Edit
object
attributes

38. Type CRTL/S anywhere on a widget
To generate the C++ code for this widget
Then do
root > .x guisave.C

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40. Modelling
Visualisation
Interactivity
Where am I?
Distance to boundary
Closest boundary
Persistency

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TDecompBase TDecompChol TDecompLU TDecompQRH
TDecompSVD TMatrix TMatrixD TMatrixDBase
TMatrixDCramerInv TMatrixDEigen TMatrixDLazy TMatrixDSym
TMatrixDSymEigen TMatrixDUtils TMatrixF TMatrixFBase
TMatrixFCramerInv TMatrixFLazy TMatrixFSym TMatrixFUtils
TVector TVectorD TVectorF

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root > .x script.C
root > .x script.C+
root > gSystem->Load(“libClasses”)

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49. http://alcaraz.home.cern.ch/alcaraz/PythonRoot/

50. http://alcaraz.home.cern.ch/alcaraz/RubyRoot/

51. Welcome to ruby-root
News
19/02/2004: ruby-root v0.0.1 is released!
Added support for singleton methods.
Download: ruby-root v0.0.1
11/02/2004: ruby-root v0.0.0-crowd is released! ruby-root is
still at an early development stage. This release is meant
only for getting feedback from users and not for serious
development.
You can download ruby-root: ruby-root v0.0.0 crowd
Don't forget to read first the Installation Guide, as well
as the User's Guide.
Elias Athanasopoulos (HEPA Lab,
University of Athens)
http://null.edunet.uoa.gr/~elathan/rr/

52. root ruby

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62. SEAL Dictionary: Reminder

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October 2003
November 2003
February 2004

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