Cs-137 Line Source

I have a detector to get the gamma spectrum from a Cs-137 (662 KeV) point source. But, now I have to change my point source into a line source (at least 2 cm long line source)? Can you help me with how to set up the line source and is there any relevant similar examples?

In PrimaryGeneratorAction, something like :
G4double x = x1 + (x2 - x1)*G4UniformRand() ;

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hello, I want to define point source particle gun of gamma ? can you help me ?

See the documentation for the General Particle Source (also, in future please post a new question rather than reviving an old or semi-unrelated thread).

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Ok, Thank you very much.


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It is very usefull for me. Thank you very much!

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