g.barrand, lal-orsay gaudilab some news. g.barrand, lal-orsay open scientist (v5) coherent set...
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G.Barrand, LAL-Orsay
GaudiLab
Some news
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G.Barrand, LAL-Orsay
Open Scientist (v5) coherent set
HEPVis
SoFree
OpenGL
Scientist
Riot
RioKUIP
HCL
Midnight
Tcl
Tk
Win32
Xm
Lab
Obj
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G.Barrand, LAL-Orsay
The “Labs”
Lab
« MyLab » = my OSC Application
My exp libs
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G.Barrand, LAL-Orsay
LHCb : GaudiLab
Lab
GaudiLab
Gaudi
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G.Barrand, LAL-Orsay
Geant4 : G4Lab
Lab
G4Lab
Geant4
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G.Barrand, LAL-Orsay
Gaudi point of view
LabSvc
So<Xxx>Cnv<Xxx>Data
Tcl> vis <Xxx>
SoCnvSvcEvDataSvc
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G.Barrand, LAL-Orsay
• A “GaudiLab” class had been declared to tcl (through the SWIG tool) :
• tcl> GaudiLab gd tcl> gd visualize /Event/MC/MCParticles
tcl> v set color “1 0 0” tcl> gd visualize /dd/Structure/LHCb/Muon/Stations
• What of Gaudi are we going to expose to scripting ? Data selection at hand.
Tcl scripting
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G.Barrand, LAL-Orsay
So<x>Cnv
• SoMCTrackCnv (GB)
• SoDetElemCnv (Pere)
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G.Barrand, LAL-Orsay
• The LabSvc and Gaudi are dynamicly loaded from “standards” OpenScientist/Lab applications (xmSession.exe on Linux, win32Session.exe on NT).
• UI and actions are scripted (with tcl).
• This means that compiled code concering UI and visualization handling is not done in Gaudi.
Dynamic loading
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G.Barrand, LAL-Orsay
GaudiLab-1.0 ???• The CMT reconstruction have to be checked on NT.• The head of the repository is not ready for a 1.0 distribution.
– Crazy detector drawing.– Unable to visualize MCParticles (understood yesterday night at 23 h).– Conflict with the dynamic loading of libGaudiLab by Lab/xmSession.exe and the Gaudi/DEV logic
that wants a “main” linked with some f77 related things.
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G.Barrand, LAL-Orsay
Demo
• ?
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G.Barrand, LAL-Orsay
Which GUI toolkit ?• Open Scientist blocked by the choice of a GUI toolkit ; things are today
“keyboard” driven.• Requirements :
– Free (needed by OpenScientist)– Portable NT & UNIXes (not only Linux)– Able to integrate OpenGL windows in GUI panels.– Able to have Inventor drawing in the OpenGL window.
• ???
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G.Barrand, LAL-Orsay
GTK+ ?• Free : http://www.gtk.org
• Portable : check 1.2.1 on DEC, HP, SunOS ; installed on any RedHat (it is the GUI toolkit of the GNOME project !)
• It has been ported on NT in a free way !
• A portable OpenGL widget exists (gtkglarea).
• OIV (TGS and SoFree) is able to draw in this widget.
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G.Barrand, LAL-Orsay
Others...• Qt (toolkit of KDE) : not free on NT.• Java/SWING : seem unable to integrate OpenGL
windows (it is a problem coming from SWING, not java). OIV ? All this have to be strongly expertised ; the HEP java world don’t care of the problem !!!!
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G.Barrand, LAL-Orsay
Demo
• ?
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G.Barrand, LAL-Orsay
Conclusions• Progress, progress...
• The place where the “data representation” is done is sufficently well isolated of the UI, viewing machinery so that people can enter their own one (if we are able to give birth to GaudiLab-1.0).
• A huge progress had been done concerning the choice of a GUI toolkit : GTK+ is a good candidate (at least for the next year !!!).
• Start to “button drive” the Lab package...