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Few Considerations on the Simulation Volume Structure in the Conditions Data Base
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Fabio Ferrarotto, Ernesto Lamanna, Caterina Perri
October 14, 1998
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- Starting the implementation of the Simulation Data Base, we discovered that not all the information inserted in the dbio db " dch.db" may be inserted saving the dbio structure designed some time ago.
- Nevertheless the parameters needed to make a volume object in Geant4 are (in the same Geant3 way):
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- Geometrical extension of the volume ( for example for a tube will be : inner_radius, outer_radius, Z_length);
- Material ( the connection to the centralized material db of Talby is needed);
- Declaration of the volume in the setup:
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- Mother Volume ( just a name?)
- X,Y,Z position
- Rotation Matrix
- These parameters may be inserted in the same object defining the volume or may be splitted in more objects and the association may be done in the code. In the reconstruction (DCH) for example the second way is chosen.
- We would like to discuss this point to decide the best way and start soon in the implementation.
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