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G4_World.C
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the newest version in sPHENIX GitHub for file G4_World.C
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#ifndef MACRO_G4WORLD_C
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#define MACRO_G4WORLD_C
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#include <
GlobalVariables.C
>
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#include <
g4main/PHG4Reco.h
>
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R__LOAD_LIBRARY(libg4testbench.so)
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namespace G4WORLD
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{
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double
AddSpace
= 100.;
// add this much space in cm around edge of detector
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string
WorldMaterial
=
"G4_AIR"
;
// default world material, use G4_Galactic for material scan
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string
PhysicsList
=
"FTFP_BERT"
;
// for calorimeters use HP lists
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}
// namespace G4WORLD
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void
WorldInit
(
PHG4Reco
*g4Reco)
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{
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g4Reco->
SetWorldMaterial
(
G4WORLD::WorldMaterial
);
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g4Reco->
SetPhysicsList
(
G4WORLD::PhysicsList
);
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}
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void
WorldSize
(
PHG4Reco
*g4Reco,
double
radius)
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{
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double
world_radius = std::max((
BlackHoleGeometry::max_radius
+
BlackHoleGeometry::gap
), radius);
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g4Reco->
SetWorldSizeY
(std::max(g4Reco->
GetWorldSizeY
(), world_radius +
G4WORLD::AddSpace
));
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// our world is a symmetric cylinder so the center is at 0/0/0, pick the largest of abs(min_z) || abs(max_z)
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double
min_zval =
std::min
((
BlackHoleGeometry::min_z
-
BlackHoleGeometry::gap
), -((g4Reco->
GetWorldSizeZ
() - 100) / 2.));
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double
max_zval = std::max((
BlackHoleGeometry::max_z
+
BlackHoleGeometry::gap
), (g4Reco->
GetWorldSizeZ
() - 100) / 2.);
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double
final_zval = std::max(fabs(min_zval), fabs(max_zval) +
G4WORLD::AddSpace
);
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g4Reco->
SetWorldSizeZ
(std::max(g4Reco->
GetWorldSizeZ
(), 2 * (final_zval)));
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return
;
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}
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#endif
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G4_World.C
Built by
Jin Huang
. updated:
Sat Feb 17 2024 22:18:27
using
1.8.2 with
sPHENIX GitHub integration