|Message: Re: Concentric spheres||Not Logged In (login)|
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I would suggest to use G4Orb instead of G4Sphere. It is faster and more robust, the warnings should disappear.
It is perfectly fine to use mother-daughter concentric orbs with different materials to define a spherical shell.
I do not think that you need to use Replica. Anyway it is not related with the warnings.
Hope this helps, Evgueni
On Fri, 23 Nov 2018 19:01:42 GMT, Baljeet Seniwal wrote:
> Dear all > > I am trying to modify svalue example of Geant4-DNA project. It provides > only one sphere as an absorber. I am trying to to make modifications to > it by placing 3 concentric spheres 1. world sphere radius 10. micrometer > 2. Cell with outer radius 5. micrometer, inner radius = (5.micrometer - > 7. nm), made of Tissue material. 3. Nucleus with outer radius (0.8 X 5. > )micrometer, inner radius = (outer radius - 40. nm), made of Tissue > material. > > My first question is do I need to use Replica class or parametrization > class for this geometry? If yes, can you please guide me? > > Because I used simple world daughter geometry > > World is mother to Cell and Cell is mother to the nucleus. > > I am getting results but I am also getting the warnings. I have attached > the warnings and model geometry with this massage. Any type of > suggestion will be appreciated. > > Attachment: > http://hypernews.slac.stanford.edu/HyperNews/geant4/get/AUX/2018/11/23/11.00-47840-Cell.png > http://hypernews.slac.stanford.edu/HyperNews/geant4/get/AUX/2018/11/23/11.00-82859-Modell.png > http://hypernews.slac.stanford.edu/HyperNews/geant4/get/AUX/2018/11/23/11.00-43712-error1.png > http://hypernews.slac.stanford.edu/HyperNews/geant4/get/AUX/2018/11/23/11.00-88038-Error2.png >