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Geant4 User Interface Setup and Analysis Tools Guide

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kuame-simon
11 diapositives · 252 Views · Nov 18, 2014

This guide provides comprehensive instructions for setting up user interfaces in Geant4 simulations, including both batch and interactive modes. Users can choose from various interface options such as G4UIterminal, G4UItcsh, G4UIXm, and the Java-based G4UIGAG. It covers necessary commands for executing simulations, utilizing built-in user commands, and highlights analysis tools like AIDA for data analysis integration. Discover examples, environment variable setups, and commands to enhance your Geant4 experience.

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Geant4 User Interface Setup and Analysis Tools Guide
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  1. http://cern.ch/geant4 UserInterface

  2. Contents • Setting up user interfaces • Analysis • User commands 1

  3. SteeringtheSimulation • AGeant4simulation can be steered by a batch session or by commands captured from an interactive session • Setting up batch mode is easy: • Inyourmain() G4UImanager* UI = G4UImanager::GetUIpointer(); G4String command = “/control/execute”; G4String fileName = argv[1]; UI -> applyCommand(command+fileName); • Setting up interactive mode is also easy – but there are many choices of interface • All must be derived from the abstract class G4UIsession • Geant4 provides several implementations 1

  4. User Interface Choices • G4UIterminal – C-shell-like character terminal • runs on all Geant4-supported platforms • G4UItcsh – tcsh-like character terminal with command completion, history, etc. • runs only on Solaris and Linux • G4UIXm, G4UIXaw, G4UIXWin32 – G4UIterminal implemented over Motif, Athena and WIN32 libraries • runs on Unix/linux and Windows, respectively • G4UIGAG – Java-based GUI • runs on all Geant4 platforms 1

  5. How to Use the Interface • Inyour main() add the lines: #include “G4UIxxx.hh” // xxx = terminal, Xm, Xaw, Win32, GAG G4UISession* session = new G4UIxxx; UI->ApplyCommand(“/control/execute somefile.mac”); // optional session->SessionStart(); delete session; • For a tcsh session, the second line must be G4UIsession* session = new G4UIterminal(new G4UItcsh); • Many examples in • examples/novice/N01, N02, N03, .... 1

  6. Environment Variables • None required in order to use G4UIterminal, G4UItcsh, G4UIGAG • thesesessions do not need external libraries, so they are automatically built and linked • To build G4UIXm, G4UIXaw, or G4UIXWin32 setenv G4UI_USE_XM 1 , or setenv G4UI_USE_XAW 1, or setenv G4UI_USE_WIN32 1 1

  7. Useful GUI Tools Released by Geant4 Developers • GGE: Geometry editor based on Java GUI • http://erpc1.naruto-u.ac.jp/~geant4 • GPE: Physics editor based on Java GUI • http://erpc1.naruto-u.ac.jp/~geant4 • OpenScientist: interactive environment for analysis • http://www.lal.in2p3.fr/OpenScientist 1

  8. AnalysisInterface • Geant4 does not endorse or support particular analysis packages • However an abstract analysis interface is provided • AIDA (Abstract Interfaces for Data Analysis) • will be built and linked to your application if enviroment variable G4ANALYSIS_USE is set • AIDA headers must be installed in code where analysis is set up • #include AIDA/AIDA.h • must use AIDA-compliant analysis tools • More AIDA information: • http://aida.freehep.org 1

  9. Some AIDA-compliant Analysis Packages • Anaphe • http://cern.ch/anaphe/ • OpenScientist Lab • http://www.lal.in2p3.fr/OpenScientist • an example using Open Scientist can be found in examples/extended/analysis/AnaEx01 • JAS (Java Analysis Studio) • http://jas.freehep.org • for analysis example using JAS/AIDA see examples/extended/analysis/A01 1

  10. Built-in User Commands • Geant4 provides a number of user interface commands which can be used: • interactively via a (G)UI • in a macro file via /control/execute <command> • within C++ code using the ApplyCommand method of G4UImanager • Acomplete list of built-in commands, roughly organized according to Geant4 categories is available in the Geant4 Application Developers Guide, Chapter 7.1 1

  11. User-defined Commands • If built-in commands are not enough, you can make your own • Geant4 provides several command classes, all derived from G4UIcommand: • G4UIcmdWithoutParameter • G4UIcmdWithABool • G4UIcmdWithADouble • and many more • Example energyCmd = new G4UIcmdWithADoubleAndUnit(“/gun/energy”, this); energyCmd->SetParameterName(“Energy”,true,true); energyCmd->SetDefaultUnit(GeV); • See also Application Developers Guide, Chapter 7.2 1