Gabriele Cosmo
83 lines
2.6 KiB
Plaintext
83 lines
2.6 KiB
Plaintext
G3toG4
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------
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The Geant4 facility to convert Geant3 to GEant4 volumes.
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See the documentation section of the repository for more information.
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19-Mar-1997:
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'gmake' issued from the test/ subdirectory will create an executable
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'clGeometry' which reads the call list file generated by rztog4, builds a
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geometry and calls the visualization package. This has been tested with the
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visualization based on OpenGL and Mesa (freeware OpenGL).
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To use the visualization, you need to set one or more of the following
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environment variables:
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setenv G4VIS_USE_DAWN
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setenv G4VIS_USE_OPACS
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setenv G4VIS_USE_OPENGL
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setenv G4VIS_USE_OPENGLX
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setenv G4VIS_USE_OPENGLXM
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setenv G4VIS_USE_OPENINVENTOR
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setenv G4VIS_USE_RAYX
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setenv G4VIS_USE_VRML1
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The following gmake invocations do the following
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gmake libF : build libG3toG4F.a (rztog4 object archive)
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gmake libC : build libG3toG4.a (code to parse call list file and call G4
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routines)
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gmake lib : libC and libF targets
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gmake bin : build rztog4 executable
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gmake : build lib targets
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gmake ext : build external packages, including BREPS and STEP
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gmake examples: build cltog4 and clGeometry executables
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gmake cltog4: build cltog4 executable
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gmake clGeometry: build clGeometry executable
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gmake all : ext lib bin examples
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The code in the visualization subdirectory OpenGL/ must be compiled on a
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machine on which the OpenGL header files have been installed. The compilation
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of G3toG4 and external packages is done as follows:
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gmake all
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In the global/GNUmakefile.architecture file, you need to specify where to
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find the OpenGL libraries. I currently use the freeware version of OpenGL
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called 'Mesa'. I specify
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OGLLIBS := -L$(OGLHOME)/lib -lMesaGL -lMesaGLU -lMesaaux -lMesatk
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The AIX version is
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OGLLIBS := -L$(OGLHOME)/lib -lGLX -lGLU -lGL -lXGLW -lglobalm5
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Notes on the implementation (Sep 24 '96)
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----------------------------------------
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- PGON, PCON still not in; awaiting Geant4 constructors. 100m^3
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boxes are generated for PGON, PCON at present.
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- MANY not available in Geant4 yet.
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- GSPOSP implemented via individual logical volumes for each instantiation
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(G4PVIndexed doesn't exist yet)
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- GSDV* routines for dividing volumes implemented, using
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G4PVReplicas, G4PVParametrised
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- GSROTM is implemented
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- hits are not implemented. Hit code is do-nothing. (It is
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coded up, but hit class references are commented out.)
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The digits+hits code has to be updated before G3toG4's
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hit code can be activated.
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- GSPART has to be updated.
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- Usage of magnetic field class has to be turned on.
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- Use of G4UserLimits has to be reviewed and turned on.
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- GNUmakefile is tested only on HP
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See History file for modificartion history.
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