|Message: Re: Geometry from NURBS||Not Logged In (login)|
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Dear Adam, Please look at the Geant4 documentation for importing CAD files. You will need to convert the solids in the structure into triangulated surface models, and import it using GDML or a simpler format. You can find all this described in the Users Guide for Application Developers - so I will not provide any pointers or additional information. There are different tools available. If you want direct simulation in NURBS, there is no easily available solution in Geant4. There is a development of 'G4DAGSolid' which allow one to interface a geometry described to the DAGMC toolkit - which has its own workflow. Note that you will need to double check that the solids created by your phantom are bounded by a full surface, which is not missing parts. I note that, if there are areas which are not described by these solids, Geant4 can cope with it, as it assumes that the material is that of the parent volume. Best regards, John On 06.07.17 10:57, Adam Geva wrote: > *** Discussion title: Geometry > > Hi, > > I have a human phantom describes by a NURBS structure - knots and > control points, and materials. I was wondering whether this could > somehow be loaded onto Geant4 to construct geometry? > > Thanks, Adam > > ------------------------------------------------------------- > Visit this GEANT4 at hypernews.slac.stanford.edu message (to reply or unsubscribe) at: > http://hypernews.slac.stanford.edu/HyperNews/geant4/get/geometry/1541.html
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