diff --git a/src/PrimaryGeneratorAction.cc b/src/PrimaryGeneratorAction.cc index 60d14ffb43e84e8908e63f0caa40fe707872c495..7cb684d4c6ac7019c2542cbf4560541cac681086 100644 --- a/src/PrimaryGeneratorAction.cc +++ b/src/PrimaryGeneratorAction.cc @@ -72,8 +72,8 @@ void PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent) G4ThreeVector position = G4ThreeVector(x_sourceframe, y_sourceframe, fPositionZ); if (fSourceGeometry == 1){ - x_sourceframe = fsource_size_X * (G4UniformRand() - 0.5); - y_sourceframe = fsource_size_Y * (G4UniformRand() - 0.5); + x_sourceframe = fPositionX + fsource_size_X * (G4UniformRand() - 0.5); + y_sourceframe = fPositionY + fsource_size_Y * (G4UniformRand() - 0.5); position = G4ThreeVector(x_sourceframe, y_sourceframe, fPositionZ); }